AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesHealth CareGeographicals
HairHair FollicleHair Cells, AuditoryHair ColorHair DiseasesHair Cells, Auditory, InnerHair RemovalHair DyesHair Cells, VestibularHair Cells, Auditory, OuterHair PreparationsAlopeciaSaccule and UtricleCochleaOrgan of CortiScalpStereociliaEar, InnerHair Cells, AmpullaHair Bleaching AgentsKeratins, Hair-SpecificHypotrichosisMechanotransduction, CellularLabyrinth Supporting CellsPlant RootsEpidermisSebaceous GlandsEctodysplasinsLateral Line SystemMinoxidilKeratinsMelaninsKeratinocytesDermisRana catesbeianaMechanoreceptorsKeratins, Type IISpiral GanglionMicroscopy, Electron, ScanningEvoked Potentials, Auditory, Brain StemFibroblast Growth Factor 5RegenerationLos AngelesGenetic TestingAlopecia AreataEye ColorPigments, BiologicalPigmentationSkin PigmentationMelanocytesSkin
Hair: A filament-like structure consisting of a shaft which projects to the surface of the SKIN from a root which is softer than the shaft and lodges in the cavity of a HAIR FOLLICLE. It is found on most surfaces of the body.Hair Follicle: A tube-like invagination of the EPIDERMIS from which the hair shaft develops and into which SEBACEOUS GLANDS open. The hair follicle is lined by a cellular inner and outer root sheath of epidermal origin and is invested with a fibrous sheath derived from the dermis. (Stedman, 26th ed) Follicles of very long hairs extend into the subcutaneous layer of tissue under the SKIN.Hair Cells, Auditory: Sensory cells in the organ of Corti, characterized by their apical stereocilia (hair-like projections). The inner and outer hair cells, as defined by their proximity to the core of spongy bone (the modiolus), change morphologically along the COCHLEA. Towards the cochlear apex, the length of hair cell bodies and their apical STEREOCILIA increase, allowing differential responses to various frequencies of sound.Hair Color: Color of hair or fur.Hair Diseases: Diseases affecting the orderly growth and persistence of hair.Hair Cells, Auditory, Inner: Auditory sensory cells of organ of Corti, usually placed in one row medially to the core of spongy bone (the modiolus). Inner hair cells are in fewer numbers than the OUTER AUDITORY HAIR CELLS, and their STEREOCILIA are approximately twice as thick as those of the outer hair cells.Hair Removal: Methods used to remove unwanted facial and body hair.Hair Dyes: Dyes used as cosmetics to change hair color either permanently or temporarily.Hair Cells, Vestibular: Sensory cells in the acoustic maculae with their apical STEREOCILIA embedded in a gelatinous OTOLITHIC MEMBRANE. These hair cells are stimulated by the movement of otolithic membrane, and impulses are transmitted via the VESTIBULAR NERVE to the BRAIN STEM. Hair cells in the saccule and those in the utricle sense linear acceleration in vertical and horizontal directions, respectively.Hair Cells, Auditory, Outer: Sensory cells of organ of Corti. In mammals, they are usually arranged in three or four rows, and away from the core of spongy bone (the modiolus), lateral to the INNER AUDITORY HAIR CELLS and other supporting structures. Their cell bodies and STEREOCILIA increase in length from the cochlear base toward the apex and laterally across the rows, allowing differential responses to various frequencies of sound.Hair Preparations: Hair grooming, cleansing and modifying products meant for topical application to hair, usually human. They include sprays, bleaches, dyes, conditioners, rinses, shampoos, nutrient lotions, etc.Alopecia: Absence of hair from areas where it is normally present.Saccule and Utricle: Two membranous sacs within the vestibular labyrinth of the INNER EAR. The saccule communicates with COCHLEAR DUCT through the ductus reuniens, and communicates with utricle through the utriculosaccular duct from which the ENDOLYMPHATIC DUCT arises. The utricle and saccule have sensory areas (acoustic maculae) which are innervated by the VESTIBULAR NERVE.Cochlea: The part of the inner ear (LABYRINTH) that is concerned with hearing. It forms the anterior part of the labyrinth, as a snail-like structure that is situated almost horizontally anterior to the VESTIBULAR LABYRINTH.Organ of Corti: The spiral EPITHELIUM containing sensory AUDITORY HAIR CELLS and supporting cells in the cochlea. Organ of Corti, situated on the BASILAR MEMBRANE and overlaid by a gelatinous TECTORIAL MEMBRANE, converts sound-induced mechanical waves to neural impulses to the brain.Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL).Stereocilia: Mechanosensing organelles of hair cells which respond to fluid motion or fluid pressure changes. They have various functions in many different animals, but are primarily used in hearing.Ear, Inner: The essential part of the hearing organ consists of two labyrinthine compartments: the bony labyrinthine and the membranous labyrinth. The bony labyrinth is a complex of three interconnecting cavities or spaces (COCHLEA; VESTIBULAR LABYRINTH; and SEMICIRCULAR CANALS) in the TEMPORAL BONE. Within the bony labyrinth lies the membranous labyrinth which is a complex of sacs and tubules (COCHLEAR DUCT; SACCULE AND UTRICLE; and SEMICIRCULAR DUCTS) forming a continuous space enclosed by EPITHELIUM and connective tissue. These spaces are filled with LABYRINTHINE FLUIDS of various compositions.Hair Cells, Ampulla: Sensory cells in the ampullary crest of each of the semicircular ducts, with their apical STEREOCILIA embedded in a wedge-shaped gelatinous cupula. These hair cells sense the movement of ENDOLYMPH resulting from angular acceleration of the head, and send signals via the VESTIBULAR NERVE to the brain to maintain balance.Hair Bleaching Agents: Chemicals that are used to oxidize pigments in HAIR.Keratins, Hair-Specific: Keratins that are specific for hard tissues such as HAIR; NAILS; and the filiform papillae of the TONGUE.Hypotrichosis: Presence of less than the normal amount of hair. (Dorland, 27th ed)Mechanotransduction, Cellular: The process by which cells convert mechanical stimuli into a chemical response. It can occur in both cells specialized for sensing mechanical cues such as MECHANORECEPTORS, and in parenchymal cells whose primary function is not mechanosensory.Labyrinth Supporting Cells: Cells forming a framework supporting the sensory AUDITORY HAIR CELLS in the organ of Corti. Lateral to the medial inner hair cells, there are inner pillar cells, outer pillar cells, Deiters cells, Hensens cells, Claudius cells, Boettchers cells, and others.Plant Roots: The usually underground portions of a plant that serve as support, store food, and through which water and mineral nutrients enter the plant. (From American Heritage Dictionary, 1982; Concise Dictionary of Biology, 1990)Epidermis: The external, nonvascular layer of the skin. It is made up, from within outward, of five layers of EPITHELIUM: (1) basal layer (stratum basale epidermidis); (2) spinous layer (stratum spinosum epidermidis); (3) granular layer (stratum granulosum epidermidis); (4) clear layer (stratum lucidum epidermidis); and (5) horny layer (stratum corneum epidermidis).Sebaceous Glands: Small, sacculated organs found within the DERMIS. Each gland has a single duct that emerges from a cluster of oval alveoli. Each alveolus consists of a transparent BASEMENT MEMBRANE enclosing epithelial cells. The ducts from most sebaceous glands open into a HAIR FOLLICLE, but some open on the general surface of the SKIN. Sebaceous glands secrete SEBUM.Ectodysplasins: Transmembrane proteins belonging to the tumor necrosis factor superfamily that play an essential role in the normal development of several ectodermally derived organs. Several isoforms of the ectodysplasins exist due to multiple ALTERNATIVE SPLICING of the MRNA for the protein. The isoforms ectodysplasin A1 and ectodysplasin A2 are considered biologically active and each bind distinct ECTODYSPLASIN RECEPTORS. Genetic mutations that result in loss of function of ectodysplasin result in ECTODERMAL DYSPLASIA 1, ANHIDROTIC.Lateral Line System: Aquatic vertebrate sensory system in fish and amphibians. It is composed of sense organs (canal organs and pit organs) containing neuromasts (MECHANORECEPTORS) that detect water displacement caused by moving objects.Minoxidil: A potent direct-acting peripheral vasodilator (VASODILATOR AGENTS) that reduces peripheral resistance and produces a fall in BLOOD PRESSURE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p371)Keratins: A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION.Melanins: Insoluble polymers of TYROSINE derivatives found in and causing darkness in skin (SKIN PIGMENTATION), hair, and feathers providing protection against SUNBURN induced by SUNLIGHT. CAROTENES contribute yellow and red coloration.Keratinocytes: Epidermal cells which synthesize keratin and undergo characteristic changes as they move upward from the basal layers of the epidermis to the cornified (horny) layer of the skin. Successive stages of differentiation of the keratinocytes forming the epidermal layers are basal cell, spinous or prickle cell, and the granular cell.Dermis: A layer of vascularized connective tissue underneath the EPIDERMIS. The surface of the dermis contains innervated papillae. Embedded in or beneath the dermis are SWEAT GLANDS; HAIR FOLLICLES; and SEBACEOUS GLANDS.Rana catesbeiana: A species of the family Ranidae (true frogs). The only anuran properly referred to by the common name "bullfrog", it is the largest native anuran in North America.Mechanoreceptors: Cells specialized to transduce mechanical stimuli and relay that information centrally in the nervous system. Mechanoreceptor cells include the INNER EAR hair cells, which mediate hearing and balance, and the various somatosensory receptors, often with non-neural accessory structures.Keratins, Type II: A keratin subtype that includes keratins that are generally larger and less acidic that TYPE I KERATINS. Type II keratins combine with type I keratins to form keratin filaments.Spiral Ganglion: The sensory ganglion of the COCHLEAR NERVE. The cells of the spiral ganglion send fibers peripherally to the cochlear hair cells and centrally to the COCHLEAR NUCLEI of the BRAIN STEM.Microscopy, Electron, Scanning: Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.Evoked Potentials, Auditory, Brain Stem: Electrical waves in the CEREBRAL CORTEX generated by BRAIN STEM structures in response to auditory click stimuli. These are found to be abnormal in many patients with CEREBELLOPONTINE ANGLE lesions, MULTIPLE SCLEROSIS, or other DEMYELINATING DISEASES.Fibroblast Growth Factor 5: A fibroblast growth factor that may play a role in regulation of HAIR FOLLICLE phenotype. Spontaneous mutation of the gene for this protein results in a strain of MICE with abnormally long hair, referred to as angora mice.Regeneration: The physiological renewal, repair, or replacement of tissue.Los AngelesGenetic Testing: Detection of a MUTATION; GENOTYPE; KARYOTYPE; or specific ALLELES associated with genetic traits, heritable diseases, or predisposition to a disease, or that may lead to the disease in descendants. It includes prenatal genetic testing.Alopecia Areata: Loss of scalp and body hair involving microscopically inflammatory patchy areas.Eye Color: Color of the iris.Pigments, Biological: Any normal or abnormal coloring matter in PLANTS; ANIMALS or micro-organisms.Pigmentation: Coloration or discoloration of a part by a pigment.Skin Pigmentation: Coloration of the skin.Melanocytes: Mammalian pigment cells that produce MELANINS, pigments found mainly in the EPIDERMIS, but also in the eyes and the hair, by a process called melanogenesis. Coloration can be altered by the number of melanocytes or the amount of pigment produced and stored in the organelles called MELANOSOMES. The large non-mammalian melanin-containing cells are called MELANOPHORES.Skin: The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesHealth CareGeographicals
HairHair FollicleHair Cells, AuditoryHair ColorHair DiseasesHair Cells, Auditory, InnerHair RemovalHair DyesHair Cells, VestibularHair Cells, Auditory, OuterHair PreparationsAlopeciaSaccule and UtricleCochleaOrgan of CortiScalpStereociliaEar, InnerHair Cells, AmpullaHair Bleaching AgentsKeratins, Hair-SpecificHypotrichosisMechanotransduction, CellularLabyrinth Supporting CellsPlant RootsEpidermisSebaceous GlandsEctodysplasinsLateral Line SystemMinoxidilKeratinsMelaninsKeratinocytesDermisRana catesbeianaMechanoreceptorsKeratins, Type IISpiral GanglionMicroscopy, Electron, ScanningEvoked Potentials, Auditory, Brain StemFibroblast Growth Factor 5RegenerationLos AngelesGenetic TestingAlopecia AreataEye ColorPigments, BiologicalPigmentationSkin PigmentationMelanocytesSkin
White horseWhite horse
Gray (horse), most common white horse hair coat color. *Lethal white syndrome, a fatal genetic condition ... Sabino horse, a genetic mechanism that sometimes produces a horse that is white from birth ... Dominant white, the genetic mechanism that produces horses born white or mostly white ...
Eye colorEye color
2007). "Genetic determinants of hair, eye and skin pigmentation in Europeans". Nat. Genet. 39 (12): 1443-52. doi:10.1038/ng. ... Genetic determination. See also: Human genetic clustering. Eye color is an inherited trait influenced by more than one gene.[13 ... Genetic determinants of hair, eye and skin pigmentation in Europeans. Retrieved on 7 August 2012. ... "Frost: Why Do Europeans Have So Many Hair and Eye Colors?". cogweb.ucla.edu. Retrieved 27 February 2018.. ...
DermatoscopyDermatoscopy
Rakowska, Adriana; Slowinska, Monika; Kowalska-Oledzka, Elzbieta; Rudnicka, Lidia (2008). "Trichoscopy in genetic hair shaft ... and woolly hair syndrome. Dermoscopy of hair and scalp is called trichoscopy. Determination of surgical margin of hard to ... Aid in the diagnosis of hair and scalp diseases, such as alopecia areata, female androgenic alopecia, monilethrix, Netherton ... Rakowska, A; Kowalska-Oledzka, E; Slowinska, M; Rosinska, D; Rudnicka, L (2009). "Hair shaft videodermoscopy in netherton ...
Lidia RudnickaLidia Rudnicka
Her and her co-workers' studies on genetic hair disorders showed that it is possible to diagnose genetic hair shaft ... Rakowska, Adriana; Slowinska, Monika; Kowalska-oledzka, Elzbieta; Rudnicka, Lidia (2008). "Trichoscopy in genetic hair shaft ... Their subsequent studies showed this technique can easily replace traditional microscopic evaluation in genetic hair shaft ... She made a major contribution to development of hair and scalp dermoscopy (trichoscopy) and was the first to coin the term ...
TrichoscopyTrichoscopy
Rakowska A, Slowinska M, Kowalska-Oledzka E, Rudnicka L (2008). "Trichoscopy in genetic hair shaft abnormalities". J Dermatol ... micro-exclamation hairs, yellow hyperkeratotic hair follicle openings, and black cadaverized hairs. In 2005 Malgorzata ... Trichoscopy is a method of hair and scalp evaluation and is used for diagnosing hair and scalp diseases. The method is based on ... "Trichoscopy in genetic hair shaft abnormalities". Journal of Dermatological Case Reports. 2 (2): 14-20. doi:10.3315/jdcr. ...
MonilethrixMonilethrix
Rakowska A, Slowinska M, Kowalska-Oledzka E, Rudnicka L (2008). "Trichoscopy in genetic hair shaft abnormalities". J Dermatol ... Monilethrix (also referred to as beaded hair) is a rare autosomal dominant hair disease that results in short, fragile, broken ... It comes from the Latin word for necklace (monile) and the Greek word for hair (thrix). The presentation may be of alopecia ( ... Nail deformities may also be present as well as hair follicle keratosis and follicular hyperkeratosis. Monilethrix is caused by ...
Cartilage-hair hypoplasiaCartilage-hair hypoplasia
... (CHH), also known as McKusick type metaphyseal chondrodysplasia, is a rare genetic disorder. It is a ... A rarely encountered genetic phenomenon, known as uniparental disomy (a genetic circumstance where a child inherits two copies ... Cartilage-hair hypoplasia". Bulletin of the Johns Hopkins Hospital. 116: 285-326. PMID 14284412. Chavez, Paul (2000-12-24). " ... Martin AN, Li Y (2007). "RNase MRP RNA and human genetic diseases". Cell research. 17 (3): 219-26. doi:10.1038/sj.cr.7310120. ...
Dominant whiteDominant white
White hair is rooted in unpigmented pink skin. There are many other genetic factors that produce white, near-white, and off- ... Other genetic factors, or combinations of genetic factors, such as the pearl gene or champagne gene, can also produce cremello- ... The amount of white hair depends on which mutation of W is involved. Non-white areas of skin and hair are most commonly seen ... Dominant white horses are born with unpigmented pink skin and white hair with dark eyes, although the amount of white hair or ...
Gute sheepGute sheep
Light grey Gute have white and tan hair on their legs and head. Grey and Black sheep typically have light hair around the eyes ... This breed is raised primarily for genetic conservation. The most common color of Gute are grey. The ones that are dark grey ...
FolateFolate
Gilbody S, Lewis S, Lightfoot T (2007). "Methylenetetrahydrofolate reductase (MTHFR) genetic polymorphisms and psychiatric ... gray hair, mouth sores, poor growth, and swollen tongue.[57] Folate deficiency is diagnosed by analyzing a Complete blood count ... and changes in the color of the skin or hair.[8] Folate deficiency in children may develop within a month of poor dietary ... some genetic disorders that affect levels of folate; and certain medicines (such as phenytoin, sulfasalazine, or trimethoprim- ...
TrichomeTrichome
The genetic control of patterning of trichomes and roots hairs shares similar control mechanisms. Both processes involve a core ... Root hairs form from trichoblasts, the hair-forming cells on the epidermis of a plant root. Root hairs vary between 5 and 17 ... Examples are hairs, glandular hairs, scales, and papillae. A covering of any kind of hair on a plant is an indumentum, and the ... Trichome and root hair development[edit]. Both trichomes and root hairs, the rhizoids of many vascular plants, are lateral ...
MelanesiansMelanesians
Sindya N. Bhanoo (3 May 2012). "Another Genetic Quirk of the Solomon Islands: Blond Hair". The New York Times. Retrieved 3 May ... As with blonde hair that arose in Europe, incidence of blondness is more common in children than in adults, with hair tending ... They left little genetic evidence in Melanesia. The study found a high rate of genetic differentiation and diversity among the ... Genome scans show Polynesians have little genetic relationship to Melanesians. A genetic link has been identified as ...
Dark skinDark skin
"Genetic Variation at the MC1R Locus and the Time since Loss of Human Body Hair". Current Anthropology. 45 (1): 105-108. doi: ... With less hair, sweat could evaporate more easily and cool the body of humans faster. A few million years of evolution later, ... genetic evidence [demonstrate] that strong levels of natural selection acted about 1.2 mya to produce darkly pigmented skin in ... Genetic evidence also supports this notion, demonstrating that around 1.2 million years ago there was a strong evolutionary ...
Mark StonekingMark Stoneking
Human hair. Stoneking has also pioneered the genetic basis of different hair colours and baldness in men. His team had found ... What can be learned from hair? A hair record from the Mammoth Meadow locus, southwestern Montana. In: Prehistoric Mongoloid ... In: Genetic Variation: A Laboratory Manual. M. P. Weiner, S. B. Gabriel, J.C. Stephens (eds.), Cold Spring Harbor Laboratory ... In: Genetic Variation and its Maintenance. D.F. Roberts and G. DeStefano (eds.), Cambridge University Press, Cambridge, pp. 87- ...
TYRP1TYRP1
Sindya N. Bhanoo (3 May 2012). "Another Genetic Quirk of the Solomon Islands: Blond Hair". The New York Times. Retrieved 3 May ... Although the phenotype is similar to Northern European blond hair, this allele is not found in Europeans. The expression of ... Commo S, Bernard BA (2000). "Melanocyte subpopulation turnover during the human hair cycle: an immunohistochemical study". ... "Melanesian blond hair is caused by an amino acid change in TYRP1". Science. 336 (6081): 554. doi:10.1126/science.1217849. PMC ...
Hipertrikosi, entziklopedia askea.Hipertrikosi, entziklopedia askea.
hair diseases (en) , epidermal disease (en) genetic hair anomaly (en) Espezialitatea. dermatologia. ...
SLC24A5SLC24A5
"Genetic determinants of hair, eye and skin pigmentation in Europeans". Nature Genetics. 39 (12): 1443-52. doi:10.1038/ng. ... Nan H, Kraft P, Hunter DJ, Han J (August 2009). "Genetic variants in pigmentation genes, pigmentary phenotypes, and risk of ... Furthermore, the European mutation is associated with the largest region of diminished genetic variation in the CEU HapMap ... Evidence in the International HapMap Project database of genetic variation in human populations showed that Europeans, ...
Human anusHuman anus
However, in some genetic populations androgenic hair is less common. Intra-rectal pressure builds as the rectum fills with ... Shaving, trimming, depilatory (hair removal), or Brazilian waxing can clear the perineum of hair. Anal bleaching is a process ... During puberty, as testosterone triggers androgenic hair growth on the body, pubic hair begins to appear around the anus. ...
RepliCelRepliCel
Dutton, Gail (15 April 2015). "Cell Therapy Is "Hair Raising" in a Good Way" (Paper). Genetic Engineering & Biotechnology News ... The company's expertise lies in isolation and exploitation of different cell populations found in the human hair follicle. The ... Stem cell researchers race to regenerate follicles from hair resistant to loss". National Post. Toronto. Retrieved 2016-07-15. ...
HERC2HERC2
2007). "Genetic determinants of hair, eye and skin pigmentation in Europeans". Nat. Genet. 39 (12): 1443-52. doi:10.1038/ng. ...
Gene - Simple English Wikipedia, the free encyclopediaGene - Simple English Wikipedia, the free encyclopedia
Our eye, hair and skin color are decided by genes. It is said that genes cause genetic effects in our bodies. ... Tom also has brown hair, but like Mary one of his parents had red hair. This means Tom has genes for both red and brown hair. ... The child will inherit - receive - genes for red hair (from her father) and brown hair (from her mother). The brown hair gene ... We will call her "Mary". Mary has brown hair but has genes for both red and brown hair. Let us say Mary grew up and married Tom ...
Tricho-dento-osseous syndromeTricho-dento-osseous syndrome
Genetic counseling is also recommended. Hair abnormalities are very prominent in majority of the cases of TDO. Kinky/curly hair ... Tricho-dento-osseous syndrome (TDO) is a rare, systemic, autosomal dominant genetic disorder that causes defects in hair, teeth ... The hair defects are characterized as being rough, course, with profuse shedding. Hair is curly and kinky at infancy but later ... In 80% of cases, the hair has a more relaxed appearance by adolescence. The presence of this hair texture type is a defining ...
Neanderthal anatomyNeanderthal anatomy
A 2007 genetic study suggested some Neanderthals may have had red hair. The magnitude of autapomorphic traits in specimens ... which looks like a hair knot Projecting mid-face Less neotenized skull than modern humans Low, flat, elongated skull A flat ...
Skin whiteningSkin whitening
2007). "Genetic determinants of hair, eye and skin pigmentation in Europeans" (PDF). Nat. Genet. 39 (12): 1443-52. doi:10.1038/ ... red hair color) alleles because of their association with red hair color, freckling and tendency to burn after UV exposure [ ... Mutations of the MC1R gene correlate, and in some individuals are at least partially responsible for red hair, white skin and ... Melanocytes are cells dedicated to this function that are present in the skin, hair follicles, and other structures of the body ...
Saethre-Chotzen syndromeSaethre-Chotzen syndrome
... hair, skin, amniotic fluid, or other tissues in order to find genetic disorders. Direct gene testing can determine whether an ... Wynbrandt, James (2008). Genetic Disorders and Birth Defects. New York: Facts on File, Inc. p. 340. ISBN 9780816063963. " ... Allanson, Judith, Cassidy, Suzanne (2010). Management of Genetic Syndromes. New Jersey: John Wiley & Sons, Inc. pp. 230-235. ... The Gale Encyclopedia of Genetic Disorders. Michigan: Gale Group. pp. 1019-1021. ISBN 9780787656140. ...
Quantitative trait locusQuantitative trait locus
While schizophrenia is widely believed to be multifactorially genetic by biopsychiatrists, no characteristic genetic markers ... red hair in humans, a recessive trait, or smooth vs. wrinkled peas used by Mendel in his experiments). ... then there is a strong chance that the disease is genetic[citation needed] and that the patient will also be a genetic carrier ... If a genetic cause is suspected and little else is known about the illness, then it remains to be seen exactly how many genes ...
AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesHealth CareGeographicals
HairHair FollicleHair Cells, AuditoryHair ColorHair DiseasesHair Cells, Auditory, InnerHair RemovalHair DyesHair Cells, VestibularHair Cells, Auditory, OuterHair PreparationsAlopeciaSaccule and UtricleCochleaOrgan of CortiScalpStereociliaEar, InnerHair Cells, AmpullaHair Bleaching AgentsKeratins, Hair-SpecificHypotrichosisMechanotransduction, CellularLabyrinth Supporting CellsPlant RootsEpidermisSebaceous GlandsEctodysplasinsLateral Line SystemMinoxidilKeratinsMelaninsKeratinocytesDermisRana catesbeianaMechanoreceptorsKeratins, Type IISpiral GanglionMicroscopy, Electron, ScanningEvoked Potentials, Auditory, Brain StemFibroblast Growth Factor 5RegenerationLos AngelesGenetic TestingAlopecia AreataEye ColorPigments, BiologicalPigmentationSkin PigmentationMelanocytesSkin
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Breakthrough Genetic Test For Women s Hair Loss Now AvailableBreakthrough Genetic Test For Women s Hair Loss Now Available
... the world s most experienced hair restoration expert, now offers a break-through genetic test for baldness in ... In a few weeks, she will find out if she has the genetic  markers associated with a higher risk for significant hair loss. ... Bosley, the world s most experienced hair restoration expert, now offers a break-through genetic test for baldness in women ... HairDX was founded by leading researchers and specialists in genetic analysis and hair therapies. The company is dedicated to ...
prweb.com
How a genetic quirk makes hair naturally blond | Science NewsHow a genetic quirk makes hair naturally blond | Science News
They have a variation on a genetic enhancer that dampens pigment production in their hair follicles, scientists say. ... In this case, the enhancer isnt a hair dye, but a genetic variation that controls pigment production in hair follicles, David ... How a genetic quirk makes hair naturally blond. Enhancer DNA controls pigment gene from afar. ... BASIS FOR BLONDNESS Some peoples blond hair is due to a genetic variant located far from any gene. The variant affects ...
sciencenews.org
Uncombable hair syndrome could be genetic, says...'Uncombable hair syndrome' could be genetic, says...
University of Bonn and the University of Toulouse have identified three gene mutuations that could result in uncombable hair ... Uncombable hair syndrome could be genetic, says research. It seems theres a reason some people struggle to brush their locks ... At the same time, we can now secure the clinical diagnosis of uncombable hair with molecular genetic methods." ... Professor Regina Betz, a specialist of hereditary hair disorders, and her team identified three genetic mutations responsible ...
netdoctor.co.uk
A genetic basis of variation in eccrine sweat gland and hair follicle density | PNASA genetic basis of variation in eccrine sweat gland and hair follicle density | PNAS
A genetic basis of variation in eccrine sweat gland and hair follicle density. Yana G. Kamberov, Elinor K. Karlsson, Gerda L. ... We investigated the genetic basis for the regulation of eccrine gland density in mice and find that eccrine gland and hair ... Genetic Reduction of En1 Levels Leads to Reciprocal Alterations in Eccrine Gland and Hair Follicle Number.. A homeodomain ... To examine the genetic architecture underlying differences in eccrine gland and hair follicle number in the two strains, we ...
pnas.org
Cfg editor pl 2.0, diabetes drugs that cause hair loss genetic, diabetes tipo 1 gestacionalCfg editor pl 2.0, diabetes drugs that cause hair loss genetic, diabetes tipo 1 gestacional
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Genetic Mutation Causing Excessive Hair Growth Discovered | HIS Hair ClinicGenetic Mutation Causing Excessive Hair Growth Discovered | HIS Hair Clinic
SOX3 is a strong candidate because other members of this gene family have been shown to play a role in hair growth. In addition ... "But it appears to be unstable, and can be entirely absent in many individuals with normal hair growth. Its only when there is ... "If in fact the inserted sequences turn on a gene that can trigger hair growth, it may hold promise for treating baldness or ... Investigators hope the finding ultimately will lead to new treatments for this and less severe forms of excessive hair growth ...
hishairclinic.com
Genetic Hair Loss - Just What Can You To Prevent & Stop ItGenetic Hair Loss - Just What Can You To Prevent & Stop It
While these problems could be genetic, there is a solution: Advanced Hair Studio. Contact us now. ... All Your Genetic Hair Loss Questions Answered. November 9, 2018. What exactly are the genetic aspects of hair loss, and can it ... After all, genetic hair loss is the predominant form of hair loss around the world, so if you are beginning to notice some hair ... How Can You Treat Genetic Hair Loss?. The treatment of genetic hair loss is difficult - but can be done with the help of expert ...
advancedhair.com.au
Eye Color, Hair Color, Blood Type, and the Rhesus Factor: Exploring Possible Genetic Links to Sexual Orientation | SpringerLinkEye Color, Hair Color, Blood Type, and the Rhesus Factor: Exploring Possible Genetic Links to Sexual Orientation | SpringerLink
The present study sought to expand the limited evidence that sexual orientation is influenced by genetic factors. This was ... Eye Color, Hair Color, Blood Type, and the Rhesus Factor: Exploring Possible Genetic Links to Sexual Orientation. ... Sexual orientation Blood type Rhesus factor Hair color Eye color Genetics This is a preview of subscription content, log in to ... Lewis, M., Kaita, H., Giblett, E. R., & Anderson, J. (1978). Genetic linkage analyses of chromosome 9 loci ABO and AK1. ...
link.springer.com
deCODE Discovers Genetic Variants Influencing Skin, Eye and Hair Color | deCODE geneticsdeCODE Discovers Genetic Variants Influencing Skin, Eye and Hair Color | deCODE genetics
The paper, entitled "Genetic determinants of hair, eye and skin pigmentation in Europeans," is published today online in Nature ... deCODE Discovers Genetic Variants Influencing Skin, Eye and Hair Color. Oct 21, 2007 , NEWS ... Similarly, the well known association of variants near the OCA2 gene with eye and hair color, was replicated but also ... The completely novel SNP discovered on 6p25 associates with freckles and brown hair, whereas the SNPs in MC1R associate with ...
decode.com
Hair Loss Causes | Non Genetic Hair Loss CausesHair Loss Causes | Non Genetic Hair Loss Causes
... improper hair care, poor nutrition, and stress. The Hair Loss Learning Center has all the Non-Genetic Hair Loss Causes ... While the cause of genetic female hair loss is a bit of a mystery, women experiencing hair loss are advised to consult a ... Eventually, this hair may even break off.. But its not any better in the hair salon, as excessive styling that pulls the hair ... Many causes of thinning hair in females are non-genetic and hair loss is often reversible by treating whatever condition is ...
hairlosslearningcenter.org
Genetic Regulation Of Human Skin And Hair Pigmentation | Desmond Tobin | HairLossTalk ForumsGenetic Regulation Of Human Skin And Hair Pigmentation | Desmond Tobin | HairLossTalk Forums
NEW INSIGHTS INTO THE GENETIC REGULATION OF HUMAN SKIN AND HAIR PIGMENTATION DURING OUR LIFESPAN 17th MEETING OF THE EUROPEAN ... Genetic Regulation Of Human Skin And Hair Pigmentation , Desmond Tobin. Discussion in 2016 European Hair Research Society ... Forums , Past Hair Loss Conferences , 2016 European Hair Research Society Conference , ... NEW INSIGHTS INTO THE GENETIC REGULATION OF HUMAN SKIN AND HAIR. PIGMENTATION DURING OUR LIFESPAN. 17th MEETING OF THE EUROPEAN ...
hairlosstalk.com
This 1-Year-Old Has the Frizziest Hair Ever, Thanks to a Rare Genetic Condition | Inside EditionThis 1-Year-Old Has the Frizziest Hair Ever, Thanks to a Rare Genetic Condition | Inside Edition
This 1-Year-Old Has the Frizziest Hair Ever, Thanks to a Rare Genetic Condition. News 12:40 PM PDT, June 29, 2017. - Johanna Li ... This 1-Year-Old Has the Frizziest Hair Ever, Thanks to a Rare Genetic Condition. News 12:40 PM PDT, June 29, 2017 - Johanna Li ... Phoebe Brasswell, of Smithfield, N.C., has a genetic condition called uncombable hair syndrome that makes her locks impossible ... Her hair is fine, coarse, bright white, tangled and constantly standing up, thanks to her hair follicles being kidney-shaped ...
insideedition.com
Science Project Genetic Studies - connections between hair and eye colorScience Project Genetic Studies - connections between hair and eye color
A connection between hair and eye color is among genetic studies that can be performed on humans and can be conducted by ... We may do genetic studies on humans, animals, plants and even bacteria. Every genetic study will focus on a different ... Introduction: Genetic studies identify the effect of a gene on the properties and characteristics of any organism. ... In this project you will collect and compile information related to hair and eye color on a certain group that you choose. You ...
scienceproject.com
Genetic Control of Root Hair Development in Arabidopsis thaliana. | Plant CellGenetic Control of Root Hair Development in Arabidopsis thaliana. | Plant Cell
Genetic Control of Root Hair Development in Arabidopsis thaliana. Message Subject (Your Name) has sent you a message from Plant ... Genetic Control of Root Hair Development in Arabidopsis thaliana.. J. W. Schiefelbein, C. Somerville ... These results demonstrate that root hair development in Arabidopsis is amenable to genetic dissection and should prove to be a ... The phenotypic analysis of the mutants and homozygous double mutants has led to a proposed model for root hair development and ...
plantcell.org
Osteopenia and sparse hair | Genetic and Rare Diseases Information Center (GARD) - an NCATS ProgramOsteopenia and sparse hair | Genetic and Rare Diseases Information Center (GARD) - an NCATS Program
... resources and questions answered by our Genetic and Rare Diseases Information Specialists for Osteopenia and sparse hair ... Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of ... Online directories are provided by the American College of Medical Genetics and the National Society of Genetic Counselors. If ... Genetic and Rare Diseases Information Center (GARD) - PO Box 8126, Gaithersburg, MD 20898-8126 - Toll-free: 1-888-205-2311 ...
rarediseases.info.nih.gov
Can I Have Chromosome Testing for Genetic Hair Loss...'Can I Have Chromosome Testing for Genetic Hair Loss...
Plus photos, videos and comments from hair loss treatment users. ... Information and advice on hair loss, the treatments that work, ... Belgravia Centre Hair Loss Blog. , Blog. , Hair Loss. , Can I Have Chromosome Testing for Genetic Hair Loss? ... Although there are a number of home-use kits being marketed for these types of tests, unfortunately genetic hair loss is not ... Hair Loss. In Men Back. Hair Loss In Men. The pages within this menu have been carefully chosen to provide you with everything ...
belgraviacentre.com
First set of microsatellite markers for genetic characterization of the Eurasian beaver ( Castor fiber) based on tissue and...First set of microsatellite markers for genetic characterization of the Eurasian beaver ( Castor fiber) based on tissue and...
Noninvasive genetic techniques have become indispensible tools in wildlife conservation and management. Here, we report the ... First set of microsatellite markers for genetic characterization of the Eurasian beaver (Castor fiber) based on tissue and hair ... A comparison between tissue and hair samples revealed that amplification success was only slightly lower for hair samples, ... Peakall R, Smouse PE (2006) Genalex 6: genetic analysis in Excel. Population genetic software for teaching and research. Mol ...
link.springer.com
How researchers discovered the genetic origin of the unibrow and other hair traitsHow researchers discovered the genetic origin of the 'unibrow' and other hair traits
But despite our obsession with hair, scientists have long struggled to get a complete understanding of the genetic basis of ... or a distinctive hair colour are important parts of our appearance. Throughout history, people have gone through a lot of ... effort - and sometimes paid large sums of money - to get the style, type and colour of hair they desire. ... These hair features are classic examples of complex traits, which may have both genetic and environmental influences - these ...
medicalxpress.com
HAIR-AN syndrome | Genetic and Rare Diseases Information Center (GARD) - an NCATS ProgramHAIR-AN syndrome | Genetic and Rare Diseases Information Center (GARD) - an NCATS Program
A collection of disease information resources and questions answered by our Genetic and Rare Diseases Information Specialists ... HAIR-AN syndrome. is a condition that affects women. It is characterized by hyperandrogenism, insulin resistance, and a ... heart disease, and excessive growth and darkening of the skin (aconthosis nigricans).[1] Women with HAIR-AN may be born with ... Genetic and Rare Diseases Information Center (GARD) - PO Box 8126, Gaithersburg, MD 20898-8126 - Toll-free: 1-888-205-2311 ...
rarediseases.info.nih.gov
Human hair production by scalp samples grafted onto nude mice. Biochemical data on normal human hair and the genetic defect...Human hair production by scalp samples grafted onto nude mice. Biochemical data on normal human hair and the genetic defect...
This study shows that the amino acid composition of hairs collected in situ from human scalp was similar to that of terminal ... The authors report on a laboratory model for continuous production of human hair during long periods of time. ... Human hair production by scalp samples grafted onto nude mice. Biochemical data on normal human hair and the genetic defect ... Previous Document: Genetic disorders of keratin: are scarring alopecias a sub-set?. Next Document: Hair growth-stimulating ...
biomedsearch.com
Hair Cortisol in Twins: Heritability and Genetic Overlap with Psychological Variables and Stress-System GenesHair Cortisol in Twins: Heritability and Genetic Overlap with Psychological Variables and Stress-System Genes
... and initial studies of inter-individual variance in HCC have implicated genetic factors. H … ... Hair cortisol concentration (HCC) is a promising measure of long-term hypothalamus-pituitary-adrenal (HPA) axis activity. ... Hair Cortisol in Twins: Heritability and Genetic Overlap with Psychological Variables and Stress-System Genes Sci Rep. 2017 Nov ... using formal genetic twin models and molecular genetic methods, i.e. polygenic risk scores (PRS). HCC was measured in 671 ...
pubmed.ncbi.nlm.nih.gov
genetic hair loss Archives | Regrow Hair Q&A Blog - Hair Loss Blogs, Discussions, and Treatmentsgenetic hair loss Archives | Regrow Hair Q&A Blog - Hair Loss Blogs, Discussions, and Treatments
FUSS FUT genetic hair loss hair growth hair loss hair loss forum hair loss treatments hair restoration hair shedding hair ... Non Surgical Hair Regrowth Treatments genetic balding, genetic hair loss, hair loss, hair loss pattern, hair transplant, male ... Regrow Hair Q&A Blog, Hair Restoration Surgery: Process and Cost, Rogaine (Minoxidil) genetic hair loss, hair restoration, hair ... General Hair Loss Topics - How To Cure Hair Loss - Regrow Hair Q&A Blog, Hair Loss Blog - General Hair Loss Topics, Hair ...
regrowhair.com
Get Answer) - . In studying the genetic association between hair and eye color... - (3243258) | TranstutorsGet Answer) - . In studying the genetic association between hair and eye color... - (3243258) | Transtutors
... a geneticist might hypothesize that the genes for hair color and eye color are located on the same chromosome. If a large group ... In studying the genetic association between hair and eye color in human beings, ... In studying the genetic association between hair and eye color in human beings, a geneticist might hypothesize that the genes ... In studying the genetic association between hair and eye color in human beings, a geneticist might hypothesize that the genes ...
transtutors.com
AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesHealth CareGeographicals
HairHair FollicleHair Cells, AuditoryHair ColorHair DiseasesHair Cells, Auditory, InnerHair RemovalHair DyesHair Cells, VestibularHair Cells, Auditory, OuterHair PreparationsAlopeciaSaccule and UtricleCochleaOrgan of CortiScalpStereociliaEar, InnerHair Cells, AmpullaHair Bleaching AgentsKeratins, Hair-SpecificHypotrichosisMechanotransduction, CellularLabyrinth Supporting CellsPlant RootsEpidermisSebaceous GlandsEctodysplasinsLateral Line SystemMinoxidilKeratinsMelaninsKeratinocytesDermisRana catesbeianaMechanoreceptorsKeratins, Type IISpiral GanglionMicroscopy, Electron, ScanningEvoked Potentials, Auditory, Brain StemFibroblast Growth Factor 5RegenerationLos AngelesGenetic TestingAlopecia AreataEye ColorPigments, BiologicalPigmentationSkin PigmentationMelanocytesSkin
FolliclesGenesRoot hairsGeneAndrogenetic alopeciaInherited diseasesAlopeciaMutationsPigmentationGray hairsGeneticsTransplantationScalp hairSparse hairRestorationTraitsCortical cellsUncombable hair synSweat gland and hair follicle densityMutationPhenotypicDisordersChromosomeResearchersHormonesLociVariationProteinVariantsPattern hair lossGeneticallyInitiationFollicle regenerationLoss by age 35TraitTelogen effluviumScientistsHormonalAbnormalitiesBaldTransplantThicker hairMutantsEtiologyHAIRLESSGenomesArabidopsisGraftsMiceHairlineHereditaryKeratinHuman hair follicleHumansOccurSkinPigmentSyndromeCoconut oilFoundMolecular geneticBlond HairInheritance
Follicles48
Genes34
Root hairs14
  • The RHD1 gene product appears to be necessary for proper initiation of root hairs, whereas the RHD2, RHD3, and RHD4 gene products are required for normal hair elongation. (plantcell.org)
  • In many legumes, including Lotus japonicus and Medicago truncatula , susceptible root hairs are the primary sites for the initial signal perception and physical contact between the host plant and the compatible nitrogen-fixing bacteria that leads to the initiation of root invasion and nodule organogenesis. (plantphysiol.org)
  • However, diverse mechanisms of nodulation have been described in a variety of legume species that do not rely on root hairs. (plantphysiol.org)
  • To clarify the significance of root hairs during the L. japonicus - Mesorhizobium loti symbiosis, we have isolated and performed a detailed analysis of four independent L. japonicus root hair developmental mutants. (plantphysiol.org)
  • We show that although important for the efficient colonization of roots, the presence of wild-type root hairs is not required for the initiation of nodule primordia (NP) organogenesis and the colonization of the nodule structures. (plantphysiol.org)
  • Surprisingly, one mode of root colonization involves nodulation factor-dependent induction of NP-associated cortical root hairs and epidermal root hairs, which, in turn, support bacterial invasion. (plantphysiol.org)
  • Root hairs of higher plants represent an important extension of the root epidermal surface with functions in the exploitation of various biotic and abiotic resources of the rhizosphere. (plantphysiol.org)
  • In addition to their commonly recognized role in water and nutrient uptake from soil, root hairs of legumes also facilitate symbiosis with the beneficial, nitrogen-fixing soil bacteria commonly known as rhizobia. (plantphysiol.org)
  • Although the molecular determinates of root hair susceptibility are not well understood, root hairs that have almost reached their mature size have been shown to be the most receptive ( Gage, 2004 , and refs. (plantphysiol.org)
  • In many legumes, including the model legumes L. japonicus and M. truncatula , root hairs are the principal sites for attachment and intracellular entry of rhizobia. (plantphysiol.org)
  • In Arabidopsis , root hairs are formed only from a set of epidermal cells named trichoblasts or hair-forming cells. (biologists.org)
  • The loss-of-function mutant of CPC shows only a few normal-shaped root hairs ( Fig. 1C ). (biologists.org)
  • To increase their surface area to take up more P from the soil, plants elongate root hairs. (nottingham.ac.uk)
  • These images showed that when the plant hormone auxin increased so did the elongation of the root hairs. (nottingham.ac.uk)
Gene34
  • Researchers from the University of Bonn and the University of Toulouse looked at the gene sequence of 11 children who were all affected by uncombable hair, and compared them in large databases. (netdoctor.co.uk)
  • All work together to contribute to healthy hair, meaning if one gene isn't functional, it has a knock-on effect for hair structure and stability. (netdoctor.co.uk)
  • SOX3 is a strong candidate because other members of this gene family have been shown to play a role in hair growth. (hishairclinic.com)
  • If in fact the inserted sequences turn on a gene that can trigger hair growth, it may hold promise for treating baldness or hirsutism [excessive hair growth] in the future, especially if we could engineer ways to achieve this with drugs or other means," Patel said. (hishairclinic.com)
  • Among the findings of the deCODE group is a SNP on chromosome 14 in the SLC24A4 gene that is associated with increased likelihood of blond as opposed to brown hair and blue as opposed to green eyes. (decode.com)
  • A sequence variant near the KITLG gene on chromosome 12 is associated with an increased likelihood of having blond rather than brown hair. (decode.com)
  • The deCODE team has also provided strong and detailed support for the previously reported association in the MC1R gene with red hair, freckling and skin sensitivity to sun. (decode.com)
  • Similarly, the well known association of variants near the OCA2 gene with eye and hair color, was replicated but also substantially refined. (decode.com)
  • Genetic studies identify the effect of a gene on the properties and characteristics of any organism. (scienceproject.com)
  • Testing positive for one gene does not necessarily mean you will express the hair loss trait. (belgraviacentre.com)
  • This new gene variant is associated with lower sweat gland density (so heat loss due to sweating can be reduced), and thicker, straighter hair - now a characteristic of East Asians. (medicalxpress.com)
  • We also found that the gene PRSS53, which has also evolved to be different in East Asians, is involved in making hair either curly or straight, as verified through our extensive labwork. (medicalxpress.com)
  • We also showed that the gene IRF4 is involved in the greying of hair by helping to regulate the production and storage of melanin, the pigment that determines hair, skin and eye colour. (medicalxpress.com)
  • The figure below shows how we in this way managed to map 16 different gene variants to different hair traits. (medicalxpress.com)
  • Hence, keratin and HSP gene expression and regulation of melanogenesis in the normal and genetically defective TTD human hair follicle grafts appear to be independent of systemic host-related factors, at least during a 6 months follow-up period after grafting. (biomedsearch.com)
  • The present experimental evidence further supports conclusions gained from previous assays with normal and TTD variant scalp grafts, i.e. that the nude mouse bearing human scalp specimens may serve as a clinically relevant laboratory model for evaluating regulation of normal and abnormal gene expression in the hair follicle under well controlled experimental conditions. (biomedsearch.com)
  • People with a rare genetic mutation in the gene encoding apolipoprotein C3 (APOC3) not only have lower plasma triglyceride levels, they also have a decreased risk of developing coronary heart disease (CHD), researchers report in two independent studies published online June 18, 2014, in the New England Journal of Medicine [1, (newhair.com)
  • Cartilage-hair hypoplasia is caused by mutations in the RMRP gene. (medlineplus.gov)
  • The gene variant responsible for blondness in dark-skinned indigenous islanders is distinctly different from the gene that causes blond hair in Europeans, researchers report. (nytimes.com)
  • Any alteration in the set sequence of a gene can be called a genetic mutation. (biologywise.com)
  • However, in cases where one parent has a different hair color, the non-mutated gene copy from that parent may correct or compensate for the mutated gene copy from the other parent, resulting in progeny that may or may not have red hair. (biologywise.com)
  • Research indicates that the EDAR gene, which influences hair follicle development, plays an important role in determining hair thickness. (23andme.com)
  • He says that it all depends on the maternal X-linked Chromosome and the paternal Y chromosome that carries the genetic alopecia gene. (hairrepairclinic.co.uk)
  • Several mutations in the DSP gene have been found to cause a form of keratoderma with woolly hair classified as type II. (nih.gov)
  • The DSP gene mutations that cause keratoderma with woolly hair type II lead to the production of an abnormally short version of the desmoplakin protein. (nih.gov)
  • DSP gene mutations have also been found to cause a spectrum of signs and symptoms that overlap with those of keratoderma with woolly hair type II (described above). (nih.gov)
  • DSP gene mutations can also cause a potentially life-threatening form of heart disease called arrhythmogenic right ventricular cardiomyopathy (ARVC) without abnormalities of the skin and hair. (nih.gov)
  • The research was originally started in rice where team members observed that disrupting the auxin transport protein OsAUX1 gene blocked root hair elongation in response to low soil phosphate. (nottingham.ac.uk)
  • The mutation was found in a gene for ectodysplasin receptor, or EDAR, part of a signaling pathway known to play a key role in the development of hair, sweat glands and other skin features. (wordpress.com)
  • Both blonde hair and blue eyes are recessive traits, so both parents must carry the gene for blonde hair to pass it on to their kids. (cafemom.com)
  • Genetic loci controlling variation in leaf nitrate, phosphorus and potassium concentration were then identified through Associative Transcriptomics using single nucleotide polymorphism (SNP) markers and gene expression markers (GEMs). (frontiersin.org)
  • Like the earlobe gene,there are two versions of the hair-type gene, curly (noted as C)and straight (noted as s). (answers.com)
  • The incomplete dominance refers to thefact that if you have one of each version of the gene, you get amix of the two or, in this case, wavy hair. (answers.com)
  • [ 5 ] The gene locus for Menkes kinky hair syndrome is in band Xq13.3. (medscape.com)
Androgenetic alopecia7
Inherited diseases1
Alopecia30
Mutations9
Pigmentation6
  • Scientists at deCODE genetics and colleagues in Iceland and Holland today report the discovery of variations in the human genome that influence pigmentation of hair, eyes and skin. (decode.com)
  • By studying more than 300,000 SNPs (single-letter variants in the human genome) across the whole genome in close to seven thousand individuals of European origin, the deCODE team discovered several novel SNPs influencing hair, eye, and skin pigmentation, at the same time refining earlier findings influencing these traits. (decode.com)
  • The paper, entitled "Genetic determinants of hair, eye and skin pigmentation in Europeans," is published today online in Nature Genetics at www.nature.com.and will be published in an upcoming print edition of the journal. (decode.com)
  • It has long been recognized that pigmentation characteristics such as freckles and hair and eye color run in families. (decode.com)
  • This variation has a generally accepted dual biological function: heavier pigmentation affords protection against ultraviolet radiation in sunlight, protecting against sunburn and skin cancer but also reduces the body's capacity to synthesize vitamin D. By contrast, there is no clear functional role for hair and eye color. (decode.com)
  • Copper-dependent metalloenzymes relevant to the clinical phenotype include tyrosinase (pigmentation of skin and hair), lysyl oxidase (elastin and collagen cross-linking), ascorbate oxidase (skeletal development), monoamine oxidase (possibly responsible for pili torti), superoxide dismutase (free-radical detoxification), dopamine beta-hydroxylase (catecholamine production), peptidyl-glycine alpha-amidating mono-oxygenase (bioactivation of peptide hormones), and cytochrome c oxidase (electron transport and possibly responsible for hypothermia). (medscape.com)
Gray hairs4
Genetics9
  • Online directories are provided by the American College of Medical Genetics and the National Society of Genetic Counselors . (nih.gov)
  • You can also learn more about genetic consultations from Genetics Home Reference. (nih.gov)
  • Genetics influence hair thickness, but other factors like hormones and age are important factors, too. (23andme.com)
  • Co-authors with Singh for the paper , "Reversing wrinkled skin and hair loss in mice by restoring mitochondrial function," published in the Cell Death and Disease, a Nature online journal, are Bhupendra Singh, Trenton R. Schoeb and Prachi Bajpai, UAB Department of Genetics, and Andrzej Slominski, UAB Department of Dermatology. (alabamanewscenter.com)
  • Melanin is responsible for the color of hair you're born with, which is based on genetics. (healthline.com)
  • In multivariate behavioral & quantitative genetics, a genetic correlation (denoted r g {\displaystyle r_{g}} or r a {\displaystyle r_{a}} ) is the proportion of variance that two traits share due to genetic causes, the correlation between the genetic influences on a trait and the genetic influences on a different trait estimating the degree of pleiotropy or causal overlap. (wikipedia.org)
  • Genetic correlation models were introduced into behavioral genetics in the 1970s-1980s. (wikipedia.org)
  • Genetic correlations have been found to be common in non-human genetics and to be broadly similar to their respective phenotypic correlations, and also found extensively in human traits. (wikipedia.org)
  • These two traits may individually have a very high heritability (most of the population-level variation in the trait due to genetic differences, or in simpler terms, genetics contributes significantly to these two traits), however, they may still have a very low genetic correlation if, for instance, these two traits were being controlled by different, non-overlapping, non-linked genetic loci. (wikipedia.org)
Transplantation9
Scalp hair7
  • Sad truth, human scalp hair biology is very complicated. (hairlosstalk.com)
  • Indeed, scientists have speculated that people are attracted to specific hair colours and shapes and that a process of sexual selection has led to the diversity of scalp hair patterns we see in Europe today. (medicalxpress.com)
  • In the following list you will find some of the most common rare diseases related to Cryptorchidism and Sparse scalp hair that can help you solving undiagnosed cases. (mendelian.co)
  • LMNA-related cardiocutaneous progeria syndrome is a rare, genetic, premature aging syndrome characterized by adulthood-onset cutaneous manifestations that result in a prematurely aged appearance (i.e. premature thinning and graying of scalp hair, loss of subcutaneous fat, tightening of skin) associated with prominent cardiovascular manifestations, such as accelerated atherosclerosis, calcific valve disease, and cardiomyopathy. (mendelian.co)
  • Werner syndrome (WS) is a rare inherited syndrome characterized by premature aging with onset in the third decade of life and with cardinal clinical features including bilateral cataracts, short stature, graying and thinning of scalp hair, characteristic skin disorders and premature onset of additional age-related disorders. (mendelian.co)
  • Although EDAR370A has been associated with increased scalp hair thickness and changed tooth morphology in humans, its direct biological significance and potential adaptive role remain unclear. (wordpress.com)
  • Asians had a derived variant, EDARV370A, which studies had linked to thicker scalp hair and an altered tooth shape in humans. (wordpress.com)
Sparse hair5
  • Kaler-Garrity-Stern syndrome is a rare syndrome, described in two sisters of Mennonite descent, characterized by sparse hair, osteopenia, intellectual disability , minor facial abnormalities, joint laxity and hypotonia . (nih.gov)
  • Intellectual disability-sparse hair-brachydactyly syndrome is a very rare condition of unknown etiology consisting of short stature, hypotrichosis, brachydactyly with cone-shaped epiphyses, epilepsy and severe mental delay. (mendelian.co)
  • Some ectodermal dysplasias are here classified as congenital disorders characterized by abnormal development in 2 or more ectodermal structures (hair, nails, teeth, and sweat glands) without other systemic findings.Hypohidrotic, or anhidrotic, ectodermal dysplasia (HED/EDA) is characterized by a triad of signs comprising sparse hair (hypotrichosis), abnormal or missing teeth (anodontia or hypodontia), and inability to sweat (anhidrosis or hypohidrosis). (mendelian.co)
  • One visitor was reportedly tall and blond with thin sparse hair, while the other was of medium height and Asian with dark black hair. (blogspot.com)
  • For women, it usually presents as sparse hair, starting at the part and spreading across the crown of the head. (mindbodygreen.com)
Restoration20
Traits10
  • This was accomplished by seeking statistical differences between heterosexuals and homosexuals for four traits that are known to be genetically determined: eye color, natural hair color, blood type, and the Rhesus factor. (springer.com)
  • The vast majority of variations in these two traits is confined to populations of European origin, with most populations around the globe with only dark hair and brown eyes. (decode.com)
  • Whether we like them or not, traits such as a bald head, a "unibrow" or a distinctive hair colour are important parts of our appearance. (medicalxpress.com)
  • Students explore phenotypic differences in hair types found in the coats of different dog breeds, as they begin to learn about complex traits. (bioedonline.org)
  • A genetic correlation of 0 implies that the genetic effects on one trait are independent of the other, while a correlation of 1 implies that all of the genetic influences on the two traits are identical. (wikipedia.org)
  • The bivariate genetic correlation can be generalized to inferring genetic latent variable factors across >2 traits using factor analysis. (wikipedia.org)
  • Genetic correlations have applications in validation of GWAS results, breeding, prediction of traits, and discovering the etiology of traits & diseases. (wikipedia.org)
  • for example, in the UK Biobank, of 118 continuous human traits, 29% of their intercorrelations have opposite signs between environmental & genetic correlations. (wikipedia.org)
  • For example, consider two traits - dark skin and black hair. (wikipedia.org)
  • A genetic correlation between two traits will tend to produce phenotypic correlations - e.g. the genetic correlation between intelligence and SES or education and family SES implies that intelligence/SES will also correlate phenotypically. (wikipedia.org)
Cortical cells1
  • The positional relationship between cortical cells and epidermal cells was confirmed by the observation of small regions of two cell files (T-clones) that occasionally arise from a single hair cell file. (biologists.org)
Uncombable hair syn1
  • Phoebe Brasswell, of Smithfield, N.C., has a genetic condition called uncombable hair syndrome that makes her locks impossible to manage. (insideedition.com)
Sweat gland and hair follicle density1
Mutation8
Phenotypic3
  • No significant phenotypic or genetic correlation was found between HCC and the three psychological variables of interest. (nih.gov)
  • The phenotypic correlation will be limited by the degree of genetic correlation and also by the heritability of each trait. (wikipedia.org)
  • The expected phenotypic correlation is the bivariate heritability' and can be calculated as the square roots of the heritabilities multiplied by the genetic correlation. (wikipedia.org)
Disorders6
Chromosome6
Researchers6
  • HairDX was founded by leading researchers and specialists in genetic analysis and hair therapies. (prweb.com)
  • Researchers have found that some hair loss may be due to insufficient protein or iron in your diet, as well as malnutrition, in general. (hairlosslearningcenter.org)
  • Comparing these two types of information allowed the researchers to determine when a change in the amount of protein in the skin was a direct result of genetic signals to increase or decrease protein production as the skin matured. (systemsbiology.org)
  • Researchers suspect that the impaired connections between cells make the skin, hair, and heart muscle more fragile. (nih.gov)
  • Researchers at the University of Queensland found that not only are blonde women paid more than their peers with other hair colors, but they're also more likely to marry a wealthier man . (cafemom.com)
  • Seventy-two new genetic variants that contribute to the risk of developing breast cancer have been identified by a major international collaboration involving hundreds of researchers worldwide. (dubaichronicle.com)
Hormones6
Loci3
  • Despite some evidence for false alleles and allelic dropout, 77% of all loci were genotyped successfully among all hair samples and loci tested. (springer.com)
  • Species-Wide Variation in Shoot Nitrate Concentration, and Genetic Loci Controlling Nitrate, Phosphorus and Potassium Accumulation in Brassica napus L. (frontiersin.org)
  • Identifying genetic loci controlling nutrient accumulation may be useful in crop breeding strategies to increase fertilizer use efficiency and reduce financial and environmental costs. (frontiersin.org)
Variation3
  • Ducroz J-F, Stubbe M, Saveljev AP, Heidecke D, Samjaa R, Ulevičius A, Stubbe A, Durka W (2005) Genetic variation and population structure of the Eurasian beaver Castor fiber in Eastern Europe and Asia. (springer.com)
  • Paetkau D, Strobeck C (1994) Microsatellite analysis of genetic variation in black bear populations. (springer.com)
  • Furnishings refer to the variation of longer facial hair seen in all wire haired breeds as well as some others. (labogen.com)
Protein9
  • Iron is essential for producing hair cell protein ", without it, your strands will suffer. (cosmopolitan.com)
  • Since hair is composed of dead protein, it is important maintain it correctly to optimize its appearance. (rxlist.com)
  • A diet deficient in biotin, L-Lysine, zinc and/or protein can lead to brittle hair that's prone to breakage. (thebudgetfashionista.com)
  • Hair is 93% keratinized protein," he explains, "and if you aren't consuming enough protein, the hair is the last place the body puts it. (thebudgetfashionista.com)
  • Your body will actually shut down and stop producing hair until about 3 months after protein intake reaches sufficient levels again. (thebudgetfashionista.com)
  • Here, we show that CPC is also predominantly expressed in the hairless cells, but not in the neighboring hair-forming cells, and that CPC protein moves to the hair-forming cells and represses the GL2 expression. (biologists.org)
  • Some of the main nutritional requirements for healthy hair are these: protein, B vitamins (especially B-12 and B-7, also called biotin ), vitamin C, iron, vitamin A, and zinc. (mindbodygreen.com)
  • The NIDCD reported yesterday the discovery of a protein called protocadherin-15 (PC15)(which is associated with a form of genetic deafness called Usher Syndrome) as the likely player in the initial transduction of sound. (scienceblogs.com)
  • When there are no tip links, either due to a genetic flaw in the protein (Usher's syndrome), or the destruction of tip links by noise, the result is deafness. (scienceblogs.com)
Variants5
Pattern hair loss4
Genetically3
Initiation1
Follicle regeneration2
Loss by age 352
Trait3
  • Because of this, a strong family hair loss trait does not necessarily mean you are guaranteed to lose your hair - which is especially true of women. (belgraviacentre.com)
  • With the Genome-wide Complex Trait Analysis software package, we found strong genetic correlations between various combinations of hair and eye colors. (skadi.net)
  • The color of human hair is a multifactorial trait that generally depends on the interaction between the eumelanin and pheomelanin pigments. (biologywise.com)
Telogen effluvium2
Scientists6
  •  Scientists discovered that the percentage of the female population with a score of 15 or less, NOT suffering from a Ludwig grade II or III hair loss was only a 2.3%, says Dr. Nathan Vandergraft, a Statistician and Research Scientist at the University of California, Irvine. (prweb.com)
  • But despite our obsession with hair, scientists have long struggled to get a complete understanding of the genetic basis of hair features. (medicalxpress.com)
  • Some scientists think men with light hair and eyes are instinctively drawn to women with the same coloring. (cafemom.com)
  • Have UAB scientists found the genetic key to reverse wrinkles and hair loss associated with aging? (alabamanewscenter.com)
  • Computer scientists from the University of Texas at Austin have used a genetic algorithm to develop a program which can better digitally improve images of fingerprints than the human-based FBI's fingerprint image compression program. (zdnet.com)
  • Computer scientists from the University of Texas at Austin have used a genetic algorithm to develop a program which can better digitally improve images of fingerprints than the human-based FBI's fingerprint image compression program, according to the National Science Foundation (NSF) in " Man Against Machine . (zdnet.com)
Hormonal3
Abnormalities4
Bald7
  • Most people will have one or two bald patches, which can be treated easily with injections but in some cases all body hair falls out. (webmd.com)
  • Unlike men, women rarely go bald, and they tend to lose hair more slowly than men do. (webmd.com)
  • Other than a terrible run in with a pair of scissors that left me nearly bald and bestowed me with a forehead covered by uneven, choppy bangs, I have had long hair for my entire life. (truthinaging.com)
  • However, the rest of your hair will continue to bald just as it already has been. (healthcentre.org.uk)
  • Once you don't have a lot of donor hair left on the sides or back of your head, future grafts are not possible so you may have awkward bald patches forming behind or next to the hair grafts. (healthcentre.org.uk)
  • Also, know that if your hair loss is too advanced, beyond a 5 or 6 Hamilton-Norwood, then you may not have enough donor hair to fill in the bald areas and you are not qualified for this surgery. (healthcentre.org.uk)
  • Men start to notice their hair thinning and a receding hairline in their 30s, and by their 50s many are significantly bald. (medicinenet.com)
Transplant10
Thicker hair1
  • That mouse manifested thicker hair, more densely branched mammary glands and an increased number of eccrine, or sweat, glands. (wordpress.com)
Mutants2
  • Visual examination of roots from 12,000 mutagenized Arabidopsis seedlings has led to the identification of more than 40 mutants impaired in root hair morphogenesis. (plantcell.org)
  • The molecular genetic mechanism of cell fate determination of root-hair cells is being studied by use of a set of mutants. (biologists.org)
Etiology1
  • IQ and specific measures of cognitive performance such as verbal, spatial, and memory tasks, reaction time, long-term memory, executive function etc. all show high genetic correlations as do neuroanatomical measurements, and the correlations may increase with age, with implications for the etiology & nature of intelligence). (wikipedia.org)
HAIRLESS5
  • In the genetic background of the L. japonicus root hairless 1 mutant, the nodulation factor-dependent formation of NP provides the structural basis for alternative modes of invasion by M. loti . (plantphysiol.org)
  • Previous studies showed CAPRICE ( CPC ) promotes differentiation of hair-forming cells by controlling a negative regulator, GLABRA2 ( GL2 ), which is preferentially expressed in hairless cells. (biologists.org)
  • The root epidermal cells differentiate into two cell types, root-hair cells (trichoblasts) and hairless cells (atrichoblasts). (biologists.org)
  • Epidermal cells are of two types: hair cells and hairless cells. (biologists.org)
  • These previous results indicate that CPC functions as a negative regulator of GL2 , the latter promoting differentiation of the hairless cells, and therefore CPC indirectly promotes differentiation of hair cells. (biologists.org)
Genomes1
Arabidopsis3
  • Genetic Control of Root Hair Development in Arabidopsis thaliana. (plantcell.org)
  • These results demonstrate that root hair development in Arabidopsis is amenable to genetic dissection and should prove to be a useful model system to study the molecular mechanisms governing cell differentiation in plants. (plantcell.org)
  • The research - "Rice auxin influx carrier OsAUX1 facilitates root hair elongation in response to low external phosphate" and " A mechanistic framework for auxin dependent Arabidopsis root hair elongation to low external phosphate " - has discovered that low soil phosphate levels increase levels of the plant hormone auxin and that this promotes root hair elongation. (nottingham.ac.uk)
Grafts4
  • I also explained to the patient that even if the transplanted hair grew well, there was still a chance that the LPP could reactivate in the future and destroy the transplanted grafts. (mdnewhair.com)
  • These newly transplanted hair grafts are DHT-immune, so the hairs will not recede. (healthcentre.org.uk)
  • Curly hair is also better for this type of operation because when it curls it covers more area per follicular unit transplanted so you need less grafts to cover more scalp. (healthcentre.org.uk)
  • People who have lost their hair due to extensive burns or similar trauma are good candidates, assuming there is enough donor hair available, because the balding process will not continue after the hair grafts have been implanted. (healthcentre.org.uk)
Mice5
  • We investigated the genetic basis for the regulation of eccrine gland density in mice and find that eccrine gland and hair follicle densities are inversely regulated by the transcription factor En1. (pnas.org)
  • Human hair production by scalp samples grafted onto nude mice. (biomedsearch.com)
  • But when they shaved patches of hair from these mice to make observations of the affected skin, they made a surprising discovery. (ucsf.edu)
  • We generated a knockin mouse model and find that, as in humans, hair thickness is increased in EDAR370A mice. (wordpress.com)
  • In four weeks, the mice showed gray hair, reduced hair density, hair loss, slowed movements and lethargy, which are changes reminiscent of natural aging. (alabamanewscenter.com)
Hairline3
Hereditary2
Keratin1
Human hair follicle1
  • The company's expertise lies in isolation and exploitation of different cell populations found in the human hair follicle. (wikipedia.org)
Humans5
  • We may do genetic studies on humans, animals, plants and even bacteria. (scienceproject.com)
  • A connection between hair and eye color is among genetic studies that can be performed on humans and can be conducted by Intermediate or senior students. (scienceproject.com)
  • As I am studying hair cell regeneration as a therapy for hearing impairment, I thought I might do a 'basic concepts post' on what hearing is, how humans hear, and why we lose it sometimes. (scienceblogs.com)
  • It is then further suggested that as these "proto-humans" leftAfrica and colonized the rest of the world the above 3 reasons tohave black, tightly curled hair actually became a disadvantage. (answers.com)
  • Humans need UV exposure to produce Vitamin-D.Those with a less protective hair type were better able to producevitamin-D. There are also theories (unproven) that blond straighthair hanging down is favored in cold countries at it has a "fiberoptic" effect, catching sun-light reflected off the snow, andfeeding it to the scalp. (answers.com)
Occur2
  • Although peripartum cardiomyopathy and pregnancy-associated cardiomyopathy are rare, the paper continues, these conditions may occur more frequently among relatives of patients with DCM of unknown cause, and therefore reproductive risk counseling about peripartum and pregnancy-associated cardioymyopathy is appropriate for the first-degree female relatives of such patients in the context of genetic cardiomyopathy evaluation. (healthcanal.com)
  • This mechanism probably underlies the skin, hair, and heart problems that occur in keratoderma with woolly hair type II. (nih.gov)
Skin16
Pigment2
  • Affected individuals have hair that is lighter in color than that of other family members because the core of each hair, which contains some of the pigment that contributes the hair's color, is missing. (medlineplus.gov)
  • Your hair turns gray or white from a loss of melanin, a pigment-producing component that produces melanocyte cells. (healthline.com)
Syndrome12
Coconut oil1
Found9
  • Female hair loss has been difficult to diagnose in the past as the typical patterns of thinning are not the same as found in men. (prweb.com)
  • Using a sample of over 7,000 U.S. and Canadian college students supplemented with additional homosexual subjects obtained through internet contacts, we found no significant differences between heterosexuals and homosexuals regarding eye color or hair color. (springer.com)
  • It's been found that women's hair is more sensitive to stress' effects than men's hair. (hairlosslearningcenter.org)
  • Indeed, we found EDAR to be associated with not only hair shape but also beard density. (medicalxpress.com)
  • Furnishing or wire hair including the formation of a beard and prominent eye-brows is found in. (labogen.com)
  • Although certain details of Peter's 1992 encounter remain unclear, a thin blond hair was found afterward in a location almost impossible to miss, since it was wrapped tightly about the young man's foreskin. (blogspot.com)
  • These hairs are found on the legs of water walkers and the backs of Stenocarid beetles, which use the hairs to channel water droplets to their mouth. (wordpress.com)
  • Several published studies have found that men find blondes more attractive than women with other hair colors. (cafemom.com)
  • They used immunohistochemistry to determine that the distribution of PC15 along the stereocilium varies by form, with the CD3 form stationed only at the tips of the stereocilia in mature hair cells, while the CD1 form is found along the lengths of the stereocilia in mature cells, but not at the tips. (scienceblogs.com)
Molecular genetic2
  • At the same time, we can now secure the clinical diagnosis of 'uncombable hair' with molecular genetic methods. (netdoctor.co.uk)
  • using formal genetic twin models and molecular genetic methods, i.e. polygenic risk scores (PRS). (nih.gov)
Blond Hair3
Inheritance3