Evolution of neural crest and placodes: amphioxus as a model for the ancestral vertebrate? (1/168)

Recent studies of protochordates (ascidian tunicates and amphioxus) have given insights into possible ancestors of 2 of the characteristic features of the vertebrate head: neural crest and placodes. The neural crest probably evolved from cells on either side of the neural plate-epidermis boundary in a protochordate ancestral to the vertebrates. In amphioxus, homologues of several vertebrate neural crest marker genes (BMP2/4, Pax3/7, Msx, Dll and Snail) are expressed at the edges of the neural plate and/or adjacent nonneural ectoderm. Some of these markers are also similarly expressed in tunicates. In protochordates, however, these cells, unlike vertebrate neural crest, neither migrate as individuals through embryonic tissues nor differentiate into a wide spectrum of cell types. Therefore, while the protochordate ancestor of the vertebrates probably had the beginnings of a genetic programme for neural crest formation, this programme was augmented in the earliest vertebrates to attain definitive neural crest. Clear homologues of vertebrate placodes are lacking in protochordates. However, both amphioxus and tunicates have ectodermal sensory cells. In tunicates these are all primary neurons, sending axons to the central nervous system, while in amphioxus, the ectodermal sensory cells include both primary neurons and secondary neurons lacking axons. Comparisons of developmental gene expression suggest that the anterior ectoderm in amphioxus may be homologous to the vertebrate olfactory placode, the only vertebrate placode with primary, not secondary, neurons. Similarly, biochemical, morphological and gene expression data suggest that amphioxus and tunicates also have homologues of the adenohypophysis, one of the few vertebrate structures derived from nonneurogenic placodes. In contrast, the origin of the other vertebrate placodes is very uncertain.  (+info)

Perturbation of developmental gene expression in rat liver by fibric acid derivatives: lipoprotein lipase and alpha-fetoprotein as models. (2/168)

Liver lipoprotein lipase (LPL) and alpha-fetoprotein (AFP) gene expression show similar developmental patterns. Both mRNAs are abundantly expressed in neonatal rat liver and gradually disappear upon ageing. Treatment with fibric acid derivatives, such as fenofibrate, not only delays the developmental extinction of the LPL gene, but also increases LPL mRNA levels in neonatal rat liver. Similarly, the developmental extinction of the AFP gene in the liver is clearly delayed after fenofibrate. In adult rat liver, fibric acid derivatives transcriptionally reinduce a mRNA with similar size as LPL, but no effect on AFP mRNA was detected. Sequence comparison of clones isolated from a fenofibrate-induced cDNA library demonstrates that the fenofibrate-(re)induced mRNA in adult rat liver is encoding for LPL. The induction of LPL after fenofibrate is tissue-specific, since heart and adipose tissue LPL mRNA levels remain unchanged. In conclusion, fibric acid derivatives modulate developmental expression patterns in rat liver, and may selectively reinduce the expression of extinct genes in adult rat liver.  (+info)

Differential distribution patterns of CRABP I and CRABP II transcripts during mouse embryogenesis. (3/168)

We have compared the transcript distribution of cellular retinoic acid binding protein (CRABP) I and II genes in mouse embryos at various stages of development. Both CRABP transcripts are present in embryonic structures from the earliest stages studied and exhibit specific patterns of distribution, suggesting that the two retinoic acid (RA) binding proteins perform different functions during mouse embryogenesis. The CRABP I transcript distribution correlates well with structures known to be targets of excess retinoid-induced teratogenesis (e.g. neural crest cells and hindbrain), suggesting that cells expressing CRABP I are those that cannot tolerate high levels of RA for their normal developmental function. The embryonic structures expressing CRABP II transcripts include those structures that have been shown to be adversely affected by excess of retinoids, such as limbs and hindbrain, but CRABP II transcripts are also found in structures not known to be specifically vulnerable to raised RA levels. The CRABP II gene is coexpressed with retinoic acid receptor (RAR)-beta and cellular retinol binding protein (CRBP) I genes in a number of tissues such as the gut endoderm, hypophysis and interdigital mesenchyme, all of which are devoid of CRABP I transcripts. Interestingly, the expression of the three genes, RAR-beta, CRABP II and CRBP I, is induced by retinoic acid, which suggests a link between the synthesis of RA from retinol and the control of expression of subsets of RA-responsive genes. The transcript distribution of CRABP I and II is discussed in relation to the teratogenic effects of RA, and compared to the RA-sensitive pattern of expression of other important developmental genes.  (+info)

The product of a developmental gene, crgA, that coordinates reproductive growth in Streptomyces belongs to a novel family of small actinomycete-specific proteins. (4/168)

On solid media, the reproductive growth of Streptomyces involves antibiotic biosynthesis coincident with the erection of filamentous aerial hyphae. Following cessation of growth of an aerial hypha, multiple septation occurs at the tip to form a chain of unigenomic spores. A gene, crgA, that coordinates several aspects of this reproductive growth is described. The gene product is representative of a well-conserved family of small actinomycete proteins with two C-terminal hydrophobic-potential membrane-spanning segments. In Streptomyces avermitilis, crgA is required for sporulation, and inactivation of the gene abolished most sporulation septation in aerial hyphae. Disruption of the orthologous gene in Streptomyces coelicolor indicates that whereas CrgA is not essential for sporulation in this species, during growth on glucose-containing media, it influences the timing of the onset of reproductive growth, with precocious erection of aerial hyphae and antibiotic production by the mutant. Moreover, CrgA subsequently acts to inhibit sporulation septation prior to growth arrest of aerial hyphae. Overexpression of CrgA in S. coelicolor, uncoupling any nutritional and growth phase-dependent regulation, results in growth of nonseptated aerial hyphae on all media tested, consistent with a role for the protein in inhibiting sporulation septation.  (+info)

Arrays of ultraconserved non-coding regions span the loci of key developmental genes in vertebrate genomes. (5/168)

BACKGROUND: Evolutionarily conserved sequences within or adjoining orthologous genes often serve as critical cis-regulatory regions. Recent studies have identified long, non-coding genomic regions that are perfectly conserved between human and mouse, termed ultra-conserved regions (UCRs). Here, we focus on UCRs that cluster around genes involved in early vertebrate development; genes conserved over 450 million years of vertebrate evolution. RESULTS: Based on a high resolution detection procedure, our UCR set enables novel insights into vertebrate genome organization and regulation of developmentally important genes. We find that the genomic positions of deeply conserved UCRs are strongly associated with the locations of genes encoding key regulators of development, with particularly strong positional correlation to transcription factor-encoding genes. Of particular importance is the observation that most UCRs are clustered into arrays that span hundreds of kilobases around their presumptive target genes. Such a hallmark signature is present around several uncharacterized human genes predicted to encode developmentally important DNA-binding proteins. CONCLUSION: The genomic organization of UCRs, combined with previous findings, suggests that UCRs act as essential long-range modulators of gene expression. The exceptional sequence conservation and clustered structure suggests that UCR-mediated molecular events involve greater complexity than traditional DNA binding by transcription factors. The high-resolution UCR collection presented here provides a wealth of target sequences for future experimental studies to determine the nature of the biochemical mechanisms involved in the preservation of arrays of nearly identical non-coding sequences over the course of vertebrate evolution.  (+info)

Possible role of eclosion rhythm in mediating the effects of light-dark environments on pre-adult development in Drosophila melanogaster. (6/168)

BACKGROUND: In insects, circadian clocks have been implicated in affecting life history traits such as pre-adult development time and adult lifespan. Studies on the period (per) mutants of Drosophila melanogaster, and laboratory-selected lines of Bactrocera cucurbitae suggested a close link between circadian clocks and development time. There is a possibility of clock genes having pleiotropic effects on clock period and pre-adult development time. In order to avoid such pleiotropic effects we have used wild type flies of same genotype under environments of different periodicities, which phenotypically either speeded up or slowed down the eclosion clock of D. melanogaster. RESULTS: We assayed pre-adult development time and pre-adult survivorship of four laboratory populations of D. melanogaster, under five different light regimes, continuous light (LL), continuous darkness (DD), and light-dark (LD) cycles of 10:10 h (T20), 12:12 h (T24), and 14:14 h (T28). Although the development time was significantly different in most light regimes, except for females under T24 &T28, pre-adult survivorship remained largely unaffected. The development time was shortest under LL, followed by T20, DD, T24 and T28 regimes, in that order. Interestingly the development time showed a positive correlation with the period of eclosion rhythm, i.e., faster oscillations were associated with faster development, and slower oscillations with slower development. CONCLUSION: Based on these results we conclude that periodicity of imposed LD cycles, and/or of eclosion rhythm plays a key role in regulating the duration of pre-adult development in D. melanogaster in a manner that does not involve direct pleiotropic effects of clock genes on both clock period and development time.  (+info)

Delta activity independent of its activity as a ligand of Notch. (7/168)

BACKGROUND: Delta, Notch, and Scabrous often function together to make different cell types and refine tissue patterns during Drosophila development. Delta is known as the ligand that triggers Notch receptor activity. Scabrous is known to bind Notch and promote Notch activity in response to Delta. It is not known if Scabrous binds Delta or Delta has activity other than its activity as a ligand of Notch. It is very difficult to clearly determine this binding or activity in vivo as all Notch, Delta, and Scabrous activities are required simultaneously or successively in an inter-dependent manner. RESULTS: Using Drosophila cultured cells we show that the full length Delta promotes accumulation of Daughterless protein, fringe RNA, and pangolin RNA in the absence of Scabrous or Notch. Scabrous binds Delta and suppresses this activity even though it increases the level of the Delta intracellular domain. We also show that Scabrous can promote Notch receptor activity, in the absence of Delta. CONCLUSION: Delta has activity that is independent of its activity as a ligand of Notch. Scabrous suppresses this Delta activity. Scabrous also promotes Notch activity that is dependent on Delta's ligand activity. Thus, Notch, Delta, and Scabrous might function in complex combinatorial or mutually exclusive interactions during development. The data reported here will be of significant help in understanding these interactions in vivo.  (+info)

The identification and functional characterisation of conserved regulatory elements in developmental genes. (8/168)

Understanding the mechanisms that govern the expression of genomes is one of the major challenges of the post-genomic era. Phylogenetic footprinting, which identifies genomic regions under evolutionary constraints, has proven helpful in finding cis-regulatory elements of transcription; however, this method may not be applicable across all evolutionary distances and for all types of genes. Recent results from vertebrate comparisons indicate that strong conservation of cis-regulatory regions may occur more frequently in developmental regulator genes. This paper reviews methods of identifying conserved regulatory elements of developmental genes by comparative genomics, including new attempts to detect conserved features beyond simple sequence similarities. The results obtained are outlined and the authors comment on their functional and evolutionary implications. Finally, an evaluation of currently available methods of characterising the function of presumed conserved regulatory regions is presented, and problems such as promoter compatibility, assigning distant elements to their cognate genes and multifunctionality of elements, discussed.  (+info)

October 2004). "Lamellipodin, an Ena/VASP ligand, is implicated in the regulation of lamellipodial dynamics". Developmental ... "Entrez Gene: ENAH enabled homolog (Drosophila)". Tani K, Sato S, Sukezane T, Kojima H, Hirose H, Hanafusa H, Shishido T (June ... Protein enabled homolog is a protein that in humans is encoded by the ENAH gene. ENAH has been shown to interact with ABI1, ZYX ... Sazuka T, Tomooka Y, Kathju S, Ikawa Y, Noda M, Kumar S (October 1992). "Identification of a developmentally regulated gene in ...
... and chicken engrailed genes reveal potential functional domains and regulatory regions". Developmental Genetics. 13 (5): 345-58 ... Homeobox-containing genes are thought to have a role in controlling development. In Drosophila, the engrailed (en) gene plays ... "Entrez Gene: EN1 engrailed homeobox 1". Sgaier SK, Lao Z, Villanueva MP, Berenshteyn F, Stephen D, Turnbull RK, Joyner AL (June ... Loomis CA, Harris E, Michaud J, Wurst W, Hanks M, Joyner AL (July 1996). "The mouse Engrailed-1 gene and ventral limb ...
Developmental Dynamics. 213 (1): 105-13. doi:10.1002/(SICI)1097-0177(199809)213:1. 3.0.CO;2-1. PMID 9733105. S2CID 25946118. ... "Entrez Gene: TCF21 transcription factor 21". "BioGPS - your Gene Portal System". biogps.org. Retrieved 11 October 2016. Acharya ... The TCF21 gene resides on chromosome 6 at the band 6q23.2 and includes 3 exons. These three exons are associated with CpG ... The TCF21 gene also contains one of 27 SNPs associated with increased risk of coronary artery disease. TCF21 was discovered in ...
Developmental Dynamics. 208 (3): 313-325. doi:10.1002/(sici)1097-0177(199703)208:3. 3.0.co;2-l. ISSN 1097-0177. PMID 9056636. ... The NFIB gene is a part of the NFI gene complex that includes three other genes (NFIA, NFIC and NFIX). The NFIB gene is a ... This gene is essential in embryonic development and it works together with its gene complex to initiate tissue differentiation ... Database, GeneCards Human Gene. "NFIB Gene - GeneCards , NFIB Protein , NFIB Antibody". www.genecards.org. Retrieved 2017-04-09 ...
Developmental Dynamics. 242 (9): 1021-32. doi:10.1002/dvdy.24010. PMC 4007065. PMID 23821404. Simmons AD, Musy MM, Lopes CS, ... Mutations in this gene cause the type II form of Hereditary Multiple Exostoses (HME). The EXT2 gene is located on chromosome 11 ... This means that if the mutated gene is inherited from both parents giving the offspring two copies of the mutated gene (the ... Exostosin glycosyltransferase-2 is a protein that in humans is encoded by the EXT2 gene. This gene encodes one of two ...
Articles with short description, Short description matches Wikidata, Developmental genes and proteins, Evolutionary ... This plasticity in gene function is characteristic of genes ancestrally associated with the nervous system, for instance the ... The gene has been sequenced in all groups of shelled molluscs, although for some time it eluded identification in the squid ... engrailed, or genes with very similar sequences, are found in all bilaterian animals. engrailed plays a number of crucial roles ...
Articles with short description, Short description is different from Wikidata, Developmental genes and proteins). ... Table of genes implicated in development and differentiation of the intestinal epithelium The table listed below is a running ... Hill, ME; Asa, SL; Drucker, DJ (Sep 1999). "Essential requirement for Pax6 in control of enteroendocrine proglucagon gene ... Suh, E.; Traber, P. G. (1996). "An intestine-specific homeobox gene regulates proliferation and differentiation". Molecular and ...
Developmental Neurobiology. 70 (7): 485-497. doi:10.1002/dneu.20790. PMID 20213756. S2CID 421285. Benkhelifa S, Provot S, ... MafA (gene) has been shown to interact with NEUROD1 and Pdx1. MafA works with Pdx1 to activate the insulin gene. In addition to ... Transcription factor MafA is a protein that in humans is encoded by the MAFA gene. It is a member of the Maf family of ... An in vivo study on mice proved MafA binds to the promoter in an insulin gene to regulate insulin transcription in response to ...
Developmental Biology. 258 (2): 419-31. doi:10.1016/S0012-1606(03)00135-0. PMID 12798298. Kim JC, Badano JL, Sibold S, Esmail ... The gene-poor regions either side of the MAFB gene include numerous binding sites for transcription factors that are known to ... This gene maps to chromosome 20q11.2-q13.1, consists of a single exon and spans around 3 kb. MafB is a basic leucine zipper ( ... MAFB human gene details in the UCSC Genome Browser. This article incorporates text from the United States National Library of ...
The Wnt family of genes produce glycolipoproteins that are involved with signaling and developmental processes. Like other Wnt ... This gene can impact kidney function in more than one way. Improper expression of the gene can cause cyst development on the ... Developmental Dynamics. 236 (5): 1249-58. doi:10.1002/dvdy.21156. PMID 17436276. S2CID 21016668. "Entrez Gene: Wnt9b wingless- ... Wnt-9b is a gene that often expressed in the epithelial cells of the Wolfian duct in early male and female embryos. In the ...
... and chicken engrailed genes reveal potential functional domains and regulatory regions". Developmental Genetics. 13 (5): 345-58 ... Homeobox protein engrailed-2 is a protein that in humans is encoded by the EN2 gene. It is a member of the engrailed gene ... Homeobox-containing genes are thought to have a role in controlling development. In Drosophila, the 'engrailed' (en) gene plays ... putative mutation in the EN2 gene--report of 2 cases in early infancy". Pediatric and Developmental Pathology. 5 (1): 54-68. ...
"Nucleoporins Directly Stimulate Expression of Developmental and Cell-Cycle Genes Inside the Nucleoplasm". Cell. 140 (3): 360- ... Gene gating is a phenomenon by which transcriptionally active genes are brought next to nuclear pore complexes (NPCs) so that ... Several of these inducible genes, including GAL1, INO1, TSA2, and HSP104 contain gene recruitment sequences (GRSs) found in the ... making gene gating possible. In addition, gene gating is orchestrated by two protein complexes, Spt-Ada-Gcn5-acetyltransferase ...
Genes on human chromosome 5, Genes on human chromosome 4, Genes on human chromosome 10). ... Rao MS, Jacobson M (2005). Developmental Neurobiology. New York: Kluwer Academic/Plenum. ISBN 0-306-48330-0. Ma Q, Fode C, ... It is one of many gene families related to the atonal gene in Drosophila. Other positive regulators of neuronal differentiation ... which recruits it to the enhancer box upstream of the gene in the promoter for neuronal genes. Binding of Ngn1, to the enhancer ...
Developmental Dynamics. 205 (4): 457-70. doi:10.1002/(SICI)1097-0177(199604)205:4. 3.0.CO;2-H. PMID 8901056. S2CID 33762532. ... "Cloning of a human homeobox gene that resembles a diverged Drosophila homeobox gene and is expressed in activated lymphocytes ... "Novel murine homeo box gene on chromosome 1 expressed in specific hematopoietic lineages and during embryogenesis". Genes & ... "Entrez Gene: HLX1 H2.0-like homeobox 1 (Drosophila)". Allen JD, Lints T, Jenkins NA, Copeland NG, Strasser A, Harvey RP, Adams ...
Developmental genes and proteins, Drosophila melanogaster genes). ... A gap gene is a type of gene involved in the development of the segmented embryos of some arthropods. Gap genes are defined by ... The gap genes code for transcription factors that regulate the expression of pair-rule genes and homeotic genes by competing ... the pair-rule genes. The gap genes themselves are expressed under the control of maternal effect genes such as bicoid and nanos ...
Co-expression of proneural genes in brain neuroblasts is transient and varies with the developmental stage. Proneural gene ... Once Notch is activated, the activity of proneural genes decreases in these cells, probably due to the activation of genes in ... On the other hand, proneural genes mutants fail to develop neural precursor cells. The proneural genes are expressed in groups ... Skeath, J. B.; Panganiban, G. F.; Carroll, S. B. (1994). "The ventral nervous system defective gene controls proneural gene ...
Gilbert, Scott F. (2000). "Induction and Competence". Developmental Biology. 6th Edition. Stücker, M.; Struk, A.; Altmeyer, P ... Genes Dev. 5 (5): 714-727. doi:10.1101/gad.5.5.714. PMID 1709129. ... Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical ...
Developmental Cell. 4 (6): 799-812. doi:10.1016/S1534-5807(03)00154-0. PMID 12791266. Margottin-Goguet F, Hsu JY, Loktev A, ... gene. This gene encodes a member of the F-box protein family which is characterized by an approximately 40 residue structural ... BTRC (gene) has been shown to interact with: β-catenin, BimEL1 Cdc25A, CDC34, Claspin, CUL1, DEPTOR, DLG1, EMI1, FBXW11, IκBα, ... "Entrez Gene: BTRC beta-transducin repeat containing". Margottin F, Bour SP, Durand H, Selig L, Benichou S, Richard V, Thomas D ...
T-box genes encode transcription factors involved in the regulation of developmental processes. This gene is closely linked[ ... Mutations in this gene can result in Holt-Oram syndrome, a developmental disorder affecting the heart and upper limbs. Holt- ... This gene is a member of a phylogenetically conserved family of genes that share a common DNA-binding domain, the T-box. ... Several transcript variants encoding different isoforms have been described for this gene. TBX5 (gene) has been shown to ...
"Altered retinoic acid sensitivity and temporal expression of Hox genes in polycomb-M33-deficient mice". Developmental Biology. ... M33 is a gene. It is a mammalian homologue of Drosophila Polycomb. It localises to euchromatin within interphase nuclei, but it ... In mice, the official symbol of M33 gene styled Cbx2 and the official name chromobox 2 are maintained by the MGI. Also known as ... Polycomb genes in Drosophila mediate changes in higher-order chromatin structure to maintain the repressed state of ...
Grhl2 is involved in lower jaw formation of mammals, among other craniofacial developmental processes. It is also ... There is much still to learn about the function of these genes and the more complex roles of Grainyhead-like genes are yet to ... This could indicate that the Grhl genes could be one of the earliest genes to arise within our genome, providing vital ... on the target genes of Grhl. While the presence of the Grhl genes varies between species, the functions regulated remain ...
... of gene expression generally flows from few high-level control genes through multiple intermediate genes to peripheral gene ... For instance, genes within GRNs with "optimally pleiotropic" effects, that is, genes that have the most widespread effect on ... This type of architecture implies that high-level control genes tend to be more pleiotropic affecting multiple downstream genes ... ability of a developmental system to change in any direction, and 2) Evolvability: ability of a developmental system to change ...
For uses in gene therapy, it may be necessary to investigate more thoroughly the natural sources of ecdysteroids in humans ( ... Developmental Biology. 93 (1): 73-82. doi:10.1016/0012-1606(82)90240-8. PMID 6813165. Cohen PA, Sharfstein J, Kamugisha A, ... Adding or removing ecdysteroids from the animal's diet then gives a convenient way to turn the inserted gene on or off (see ... In humans, it is hypothesized to bind to the estrogen receptor beta (ERβ) protein-coding gene. The primary sources of 20- ...
Genes, Evolutionary developmental biology). ... "A new nomenclature for int-1 and related genes: the Wnt gene ... Continued research led to the discovery of further int1-related genes; however, because those genes were not identified in the ... During myogenesis, Wnt uses PA and CREB to activate MyoD and Myf5 genes. Wnt also acts in conjunction with Ryk and Src to allow ... In 1982, Roel Nusse and Harold Varmus infected mice with mouse mammary tumor virus in order to mutate mouse genes to see which ...
Gene. 2. 423 (2): 108-115. doi:10.1016/j.gene.2008.07.013. PMID 18692553. Si, K; Lindquist, S; Kandel, ER (2003). "A Neuronal ... Gilbert, Scott (2010). Developmental Biology. Sunderland, MA: Sinauer Associates, Inc. p. 60. ISBN 978-0-87893-384-6. Kozak, ... Drosophila Orb2 binds to genes implicated in long-term memory. An isoform of CPEB found in the neurons of the sea slug Aplysia ... Genes Dev. 14 (20): 2596-609. doi:10.1101/gad.831700. PMC 316992. PMID 11040214. Kang, MK; Han, SJ (March 2011). "Post- ...
2006). Brody, T. (June 2015). "Amnesiac - Developmental Biology". Schoofs, Liliane; De Loof, Arnold; Van Hiel, Matthias Boris ( ... The amnesiac (amn) gene in Drosophila is a mutant suppressor of the dunce gene. The gene produces a neuropeptide of the same ... Scientists have not generated a knockout model yet for the amnesiac gene due to the mutant effects created on multiple genes ... the amnesiac gene plays a role in reproduction of Drosophila because dunce is the sterility gene. This molecule has similar ...
BMC Developmental Biology. 10: 49. doi:10.1186/1471-213X-10-49. PMC 2876091. PMID 20459797. Vausort M, Wagner DR, Devaux Y ( ... Furthermore, the gene encodes a spliced, long non-coding RNA. The gene is found not only in humans, but also in mice and rats. ... raising the possibility that this gene plays a role in cancer progression. The MIAT gene is located on Chromosome 22 and is ... Also, there are putative polyadenylation signals (ATTAAA) found at the 3' end of this gene. The presence of a PolyA tail and ...
Homeobox genes Gilbert, Scott F. (2000). "Early Mammalian Development". Developmental Biology. 6th edition. Retrieved 13 May ... It has been shown that one transcriptional target of Oct4 is the Fgf4 gene. This gene normally encodes a ligand secreted by the ... Inside cells, however, do not turn on the Cdx2 gene, and express high levels of Oct4, Nanog, and Sox2. These genes suppress ... In concert with a third transcription factor, Eomes, these genes act to suppress pluripotency genes like Oct4 and Nanog in the ...
... "gene-centric", and developmental processes have often been seen as incidental. Evolutionary biologist Richard Dawkins's ... Evolutionary developmental psychologists have worked to integrate evolutionary and developmental theories, attempting to ... Cairns, Robert B (2007). "The Making of Developmental Psychology" (PDF). The Handbook of Developmental Psychology. John Wiley ... Charlesworth, William R (1992). "Darwin and developmental psychology: Past and present". Developmental Psychology. 28: 5-16. ...
... agree that genes do not explain between-group differences". Hunt 2010, p. 447, "It is worth remembering that no genes related ... Bronfenbrenner, Urie; Ceci, Stephen J. (October 1994). "Nature-nuture reconceptualized in developmental perspective: A ... because the genes inherited from European ancestors would likely include some genes with a positive effect on IQ. Geneticist ... Such a hypothetical situation could hold without all Africans carrying the same genes or belonging to a single evolutionary ...
... involving so-called target genes and effector genes. Intriguingly, the researchers were able to identify let-7s target gene in ... which is encoded by a gene dubbed let-7, suggests that it evolved in the last common ancestor of these animals nearly a billion ... thus hinting strongly at a role in controlling developmental transitions. But let-7 doesnt act alone. Rather it is part of a " ... fish and humans may all march to the beat of the same drummer when it comes to developmental timing. According to a study ...
They report 91 genes with an excess of de novo or private disruptive mutations, identify 25 genes showing a bias for autism ... We identified 91 genes, including 38 new NDD genes, with an excess of de novo mutations or private disruptive mutations in 5.7 ... but most of the related pathogenic genes are not known. We sequenced 208 candidate genes from >11,730 cases and >2,867 ... We identified 25 genes showing a bias for autism versus intellectual disability and highlighted a network associated with high- ...
DPPA2 developmental pluripotency associated 2 [Homo sapiens] DPPA2 developmental pluripotency associated 2 [Homo sapiens]. Gene ... Gene neighbors Overlapping genes and two nearest non-overlapping genes on either side ... DPPA2 developmental pluripotency associated 2 [ Homo sapiens (human) ] Gene ID: 151871, updated on 7-Sep-2023 ... Clinical trial of gene-disease association and gene-environment interaction. (HuGE Navigator) Title: Personalized smoking ...
They estimate about 1,000 genes linked to developmental disorders remain to be discovered, requiring more open access to ... The authors collated anonymised healthcare and research data to create the largest available genetic resource for developmental ... including 28 newly-associated genes. The study will enable diagnoses for around 500 families living with children who have rare ... Research into the causes of developmental disorders has identified 285 genes linked to these conditions, ...
PTG gene deletion causes impaired glycogen synthesis and developmental insulin resistance. Sean M. Crosson,1 Ahmir Khan,2 John ... we generated mice possessing a heterozygous deletion of the PTG gene. Because the PTG gene is intronless, the entire coding ... Leptin gene expression increases with age independent of increasing adiposity in rats. Diabetes. 1997. 46:2035-2039. View this ... Mice possessing a heterozygous deletion of the PTG gene display reduced PTG protein levels while the expression of GL and GM ...
Links to summary annotated gene data at MGI are provided in Term Detail reports. ... project is a collaborative effort to address the need for consistent descriptions of gene products across databases. You can ... Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse ... Tumor Biology (MTB)), Gene Ontology (GO) Citing These Resources Funding Information Warranty Disclaimer, Privacy Notice, ...
Identification and characterization of developmental genes in streptomyces. Promotor: Prof.dr. G.P. van Wezel ...
These can be the students own genes, or chosen from a bank provided by the instructors. The gene targeting experiments will be ... Most recently, students have targeted autism genes, thyroid genes and immune modulators, several of which have already led to ... The recent development of CRISPR/Cas9 technology has made it easy to target genes of interest using Xenopus. This course has ... Our goal is for each student to design a set of experiments focusing on their gene or biological interest. Prior to starting ...
Current papers in developmental biology and gene function. Follow @interactivefly Tweet ARCHIVE. Wednesday, November 23rd - ... Genes (Basel) 13(5). PubMed ID: 35627304 Summary:. The gene family of insect olfactory receptors (ORs) has expanded greatly ... Dpr genes were found to be more broadly expressed than DIP genes in MNs and SNs, and each examined neuron expresses a unique ... This study describes that although this gene is expressed at all developmental stages and adult organs tested (eye, antennae ...
AVXS-101 Phase 1 Gene Therapy Clinical Trial in SMA Type 1: Event Free Survival and Achievement of developmental milestones (CT ... AVXS-101 Phase 1 Gene Therapy Clinical Trial in SMA Type 1: Event Free Survival and Achievement of developmental milestones (CT ... AVXS-101 delivers the SMN gene in a single-dose via the AAV9 viral vector, which crosses the blood-brain-barrier. ... Background: This is the first-ever gene therapy (AVXS-101) trial in SMA1, a rapidly lethal neurologic disease. ...
... heterochronic genes). However, we do not know whether these loci affect variation in developmental time in natural populations ... We found not only a large amount of genetic variation for developmental time, but also positive associations of the development ... We identified segregating variation for neurogenic and metabolic genes that largely affected the duration of the larval stages ... Further, we also have identified mutations in genes involved in metabolic and neurogenic pathways that affect development time ...
Microsurgery and genetics reveal the logic of developmental control: Gene cloning and sequencing reveal.. Its Molecular ...
Developmental regulation of lck gene expression in T lymphocytes. R S Wildin, R S Wildin ... R S Wildin, A M Garvin, S Pawar, D B Lewis, K M Abraham, K A Forbush, S F Ziegler, J M Allen, R M Perlmutter; Developmental ... The proximal promoter lies just 5 to the coding region for the gene and is active only in thymocytes. In contrast, the distal ... Hence, developmentally regulated, lineage-specific transcription of the lck gene is mediated by distinct promoter sequences ...
... and developmental delay (MCSZ) is a condition characterized by an abnormally small head size (microcephaly) and neurological ... Catalog of Genes and Diseases from OMIM. *MICROCEPHALY, SEIZURES, AND DEVELOPMENTAL DELAY; MCSZ ... MCSZ is caused by mutations in the PNKP gene. This gene provides instructions for making an enzyme that is critical for ... Learn more about the gene associated with Microcephaly, seizures, and developmental delay. *PNKP ...
The theme addresses these issues by studying conserved behaviors and key developmental events in a diverse set of animal models ... It is likely that conserved networks that regulate gene expression underlie most of the similarities, and that alterations in ... Our goal is to define gene regulatory networks that underlie the expression of complex patterns of development and behavior, ... How does the genome respond to developmental signals and environmental stimuli, especially those related to social experience? ...
Developmental" by people in this website by year, and whether "Genes, Developmental" was a major or minor topic of these ... "Genes, Developmental" is a descriptor in the National Library of Medicines controlled vocabulary thesaurus, MeSH (Medical ... Below are the most recent publications written about "Genes, Developmental" by people in Profiles. ... Below are MeSH descriptors whose meaning is more general than "Genes, Developmental". ...
Developmental regulation of neuronal genes by DNA methylation: Environmental influences. International Journal of Developmental ... Developmental regulation of neuronal genes by DNA methylation: Environmental influences. International Journal of Developmental ... Developmental regulation of neuronal genes by DNA methylation: Environmental influences. / Wilson, Melinda E.; Sengoku, Tomoko ... Developmental regulation of neuronal genes by DNA methylation : Environmental influences. In: International Journal of ...
Animals; Humans; Plants; Gene Expression Regulation, Developmental; Gene Regulatory Networks. Divisions:. Faculty of Science ... Hanisch, Anja and Vezzaro, Annalisa and Rallis, Charalampos (2008) Elucidating developmental gene networks. Genome Biology, 9 ( ... Hanisch, Anja and Vezzaro, Annalisa and Rallis, Charalampos (2008) Elucidating developmental gene networks. Genome Biology, 9 ( ... Hanisch, Anja and Vezzaro, Annalisa and Rallis, Charalampos (2008) Elucidating developmental gene networks. Genome Biology, 9 ( ...
Gene Expression Regulation, Developmental*Gene Expression Regulation, Developmental. *Developmental Gene Expression Regulation ... Developmental" by people in this website by year, and whether "Gene Expression Regulation, Developmental" was a major or minor ... "Gene Expression Regulation, Developmental" is a descriptor in the National Library of Medicines controlled vocabulary ... Below are the most recent publications written about "Gene Expression Regulation, Developmental" by people in Profiles. ...
MSK investigators have shown that a gene mutation linked to many kinds of cancer can also cause birth defects of the nervous ... The field of developmental biology is helping us to understand the role that various genes play in the formation of embryos - ... both when these genes function normally and when theyre mutated. It can provide insight into the role of these same genes in ... The Dual Life of PTEN: Gene Mutations Contribute to Both Cancer and Birth Defects Share * ...
Developmental toxicology; gene-environment interactions; teratology. Recommended by Scientific/Professional. Society or General ...
... also controls essential developmental genes. The results shed new light on the evolutionary origin of dosage compensation. ... Since these extremely important developmental genes have been conserved in evolution, we bet on the fact that genes such as ... MSL regulates essential developmental genes in flies. A key to answering this question was, that instead of using usual cell ... The team lead by Asifa Akhtar suggests that the origin of the MSL complex lay in the regulation of these developmental genes ...
Curing single-gene disorders. website Moonshots for Unicorns facebook Moonshots for Unicorns instagram Moonshots for Unicorns ... MTHFS-related developmental delay-microcephaly-short stature-epilepsy syndrome. Get in touch with RARE Concierge.. Contact RARE ... Donate to Global Genes 28 Argonaut, Suite 150. Aliso Viejo, CA 92656. Phone: (+1) 949-248-RARE (7273) ... MTHFS-related developmental delay-microcephaly-short stature-epilepsy syndrome?. Our RARE Concierge Services Guides are ...
Curing single-gene disorders. website Moonshots for Unicorns facebook Moonshots for Unicorns instagram Moonshots for Unicorns ... Donate to Global Genes 28 Argonaut, Suite 150. Aliso Viejo, CA 92656. Phone: (+1) 949-248-RARE (7273) ... Our ultimate goal is to accelerate brain function in individuals affected by DDX3X Syndrome through advances in cell and gene ... Visceral neuropathy-brain anomalies-facial dysmorphism-developmental delay syndrome. Get in touch with RARE Concierge.. Contact ...
Inverted regions are enriched for genes regulating behaviour, or involved in skeletal and visual system development. We also ... find that duplicated regions show enrichment for genes associated with ... 134 genes, events absent in N. brichardi), we identified genes involved in developmental processes, including 4 annotated to GO ... The enrichment for developmental processes was also observed for genes in conserved inversions (up to 5 Mb in size, n = 90), ...
For example, genes like SHANK, which are postsynaptic scaffolding proteins, alter synapse formation and maintence. [30] ... encoded search term (Pervasive Developmental Disorder) and Pervasive Developmental Disorder What to Read Next on Medscape ... Pervasive Developmental Disorder. Updated: Oct 19, 2018 * Author: Sufen Chiu, MD, PhD; Chief Editor: Caroly Pataki, MD more... ... Developmental regression in autism spectrum disorders. Ment Retard Dev Disabil Res Rev. 2004. 10(2):139-43. [QxMD MEDLINE Link] ...
Chromatin modifier developmental pluripotency associated factor 4 (DPPA4) is a candidate gene for alcohol-induced developmental ... introduces candidate genes for alcohol-induced developmental disorders, and reveals potential biomarkers for prenatal alcohol ... Furthermore, common genes with alcohol-associated DNAm changes in placenta and hESCs were linked exclusively to the ... DNA methylation; DPPA2; DPPA4; Ectoderm; Embryonic development; Endoderm; Environmental epigenetics; FASD; FOXP2; Gene ...
October 2004). "Lamellipodin, an Ena/VASP ligand, is implicated in the regulation of lamellipodial dynamics". Developmental ... "Entrez Gene: ENAH enabled homolog (Drosophila)". Tani K, Sato S, Sukezane T, Kojima H, Hirose H, Hanafusa H, Shishido T (June ... Protein enabled homolog is a protein that in humans is encoded by the ENAH gene. ENAH has been shown to interact with ABI1, ZYX ... Sazuka T, Tomooka Y, Kathju S, Ikawa Y, Noda M, Kumar S (October 1992). "Identification of a developmentally regulated gene in ...
... a gene previously linked to schizophrenia but whose role in the disease was unknown. ... Harbor Laboratory (CSHL) researchers have identified a function of neuregulin1 (NRG1), a gene previously linked to ... Activity In Brain Synapses And Developmental Abnormalities Linked With Schizophrenia Gene. May 31, 2007. July 5, 2018. Radhe ... "This gene and its pathway also have implications for other neurological diseases such as bipolar disorder. Knowing the cellular ...
  • Gene-disruptive mutations contribute to the biology of neurodevelopmental disorders (NDDs), but most of the related pathogenic genes are not known. (nature.com)
  • A report on the Joint Meeting of the British Societies for Cell and Developmental Biology, Warwick, UK, 31 March-3 April, 2008. (essex.ac.uk)
  • Our scientists pursue every aspect of cancer research-from exploring the biology of genes and cells, to developing immune-based treatments, uncovering the causes of metastasis, and more. (mskcc.org)
  • A new study in mice led by Kathryn Anderson , Chair of the Developmental Biology Program in the Sloan Kettering Institute, showed that a mutation in the PTEN gene that's been linked to many kinds of cancer can also cause birth defects of the nervous system. (mskcc.org)
  • This Special Issue of "Genes" seeks reviews and original papers covering a wide range of topics related to microRNA biology, such as regulation of expression in various disorders (cancer, metabolism, autoimmunity to mention but a few), genetics of microRNAs and their target sites, functional analysis of microRNA function and studies of interactions between microRNAs and target genes. (mdpi.com)
  • By comparing gene expression patterns during embryogenesis or tissue differentiation, we unravel the molecular events that shape organisms, advancing our understanding of developmental biology. (pharmiweb.com)
  • Microsurgery and genetics reveal the logic of developmental control: Gene cloning and sequencing reveal. (alliedacademies.org)
  • In this review, we briefly summarize the developmental mechanisms and genetics of neural crest and placodes in both jawed and jawless vertebrates. (frontiersin.org)
  • In genetics and genomics research, gene expression refers to the process by which information encoded in a gene's DNA sequence is converted into functional proteins or RNA molecules. (pharmiweb.com)
  • Medical genetics diagnostic evaluation of the child with global developmental delay or intellectual disability. (medscape.com)
  • Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action during the developmental stages of an organism. (jefferson.edu)
  • Malaria parasites have distinct small subunit ribo- morphologic features of the malaria parasite stages in the somal RNA (SSU rRNA) genes that are developmentally blood were described for the Kalimantan orangutans by regulated ( 9 ). (cdc.gov)
  • A-type genes are transcribed or expressed mainly during malaria parasites of orangutans, or some other species of the asexual stages, and the S-type genes are transcribed Plasmodium cannot be determined with certainty. (cdc.gov)
  • Our findings highlight fundamental and conserved differences in regulatory logic at distinct developmental stages, characterized by simpler promoter-centric regulation in embryonic cells and combinatorial enhancer-driven control in adult cells. (keystonesymposia.org)
  • Different genes in the same functional clusters are expressed in the different developmental stages, suggesting that cells might change gene expression profiles from differentiation to maturation stages. (biomedcentral.com)
  • When studying gene expression, researchers often compare gene expression profiles between different biological samples or experimental conditions, such as healthy and diseased tissues, treated and untreated cells, or different developmental stages. (pharmiweb.com)
  • Sexual dimorphism is predicted to be constrained by the underlying genetic architecture shared between the sexes and through ontogeny, but whole-transcriptome data for both sexes across genotypes and developmental stages are lacking. (biorxiv.org)
  • Within a quantitative genetic framework, we sequenced RNA from Drosophila melanogaster at different developmental stages to examine sex-biased gene expression and how selection acts upon it. (biorxiv.org)
  • We found evidence that gene expression is constrained by both univariate and multivariate shared genetic variation between genes, sexes and developmental stages, but may be resolved by differential splicing. (biorxiv.org)
  • We find relatively little sex-bias in embryos and larvae at the gene level, but several sub-networks show sex-biased functional interactions in early developmental stages. (lu.se)
  • Genes that determine the fate of a cell or CELLS in a region of the embryo during EMBRYONIC DEVELOPMENT. (ouhsc.edu)
  • In the early embryonic development of a female mammal, one of the two X chromosomes is inactivated so that its genes are not read twice as often as in males. (mpg.de)
  • Our study shows the effects of early alcohol exposure on human embryonic and extraembryonic cells , introduces candidate genes for alcohol-induced developmental disorders, and reveals potential biomarkers for prenatal alcohol exposure. (bvsalud.org)
  • In this study, developmental analyses of HIV-1-directed gene expression in embryonic and newborn transgenic mice derived from the above lines revealed strikingly different levels and patterns of expression in the CNS and spinet cord compared with adult mice. (johnshopkins.edu)
  • Reporting in the January issue of Developmental Dynamics, Northwestern researchers Hans-Georg Simon and Stuart Stock showed that bone formation in a regenerated forelimb combines elements of embryonic development and of adult wound healing. (scienceblog.com)
  • Embryonic atrazine exposure elicits proteomic, behavioral, and brain abnormalities with developmental time specific gene expression signatures. (cdc.gov)
  • Although the transcriptomic alterations in larval zebrafish with embryonic atrazine exposure have been reported, neither the time at which gene expression changes occur nor the resulting proteomic changes have been investigated. (cdc.gov)
  • In D. melanogaster , the eight Hox genes are organized in two separate clusters on chromosome 3R: the Antennapedia cluster (ANT-C) and the Bithorax cluster (BX-C). The 350 kb BX-C contains the Ubx, abd-A and Abd-B genes, which specify the identity of the more posterior embryonic parasegments 5 to 14 (PS5 to PS14). (biorxiv.org)
  • About one in six children in the U.S. has at least one developmental disability or other developmental delay, according to the U.S. Centers for Disease Control and Prevention. (kdvr.com)
  • Gene Expression Regulation, Developmental" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (jefferson.edu)
  • This graph shows the total number of publications written about "Gene Expression Regulation, Developmental" by people in this website by year, and whether "Gene Expression Regulation, Developmental" was a major or minor topic of these publications. (jefferson.edu)
  • Below are the most recent publications written about "Gene Expression Regulation, Developmental" by people in Profiles. (jefferson.edu)
  • However, these changes are superimposed in individuals with reduced brain volume, especially in the hippocampus, and other developmental abnormalities, such as reduced dendritic arborizations, decreased number of spines, spine atrophy, and abnormalities of spine orientation in pyramidal neurons. (medscape.com)
  • Sex chromosome abnormalities are common and cause syndromes that are associated with a range of physical and developmental problems. (msdmanuals.com)
  • Testing for chromosome and gene abnormalities Chromosomes are structures within cells that contain a person's genes. (msdmanuals.com)
  • How does the genome respond to developmental signals and environmental stimuli, especially those related to social experience? (illinois.edu)
  • The theme addresses these issues by studying conserved behaviors and key developmental events in a diverse set of animal models, developing gene expression, transcription-factor binding, epigenomic, and other types of genome-scale datasets with high-throughput techniques. (illinois.edu)
  • These newly found MSL-linked sites in the genome were practically exclusively genes that control fly development and have a direct impact on cellular processes involved in organ formation," For example, we observed malformed wings or diminished eyes indicating that the MSL complex is directly regulating genes such as Wingless, which is a master controller of development," says Claudia Keller Valsecchi, first author of the study. (mpg.de)
  • We performed genome -wide DNA methylation (DNAm) and gene expression analyses of placentas by using microarrays (EPIC, Illumina) and mRNA sequencing, respectively. (bvsalud.org)
  • CRISPR/Cas9 mediated genome editing in selected loci demonstrated distal enhancers are required for gene expression in EryD but not in EryP. (keystonesymposia.org)
  • This study provides a complementary genome-wide view of common gene dynamics and a broad molecular classification of mouse retina development. (biomedcentral.com)
  • Published in the journal Developmental Cell, the results of this first ever genome-wide study to understand how the Ricin and PE toxins attack cells may also be useful for designing more effective antidotes against Diphtheria and Shiga-like toxins secreted by infectious strains of E. coli bacteria, such as those responsible for the recent food poisoning outbreak in Germany. (sciencedaily.com)
  • In this study, the team led by IMCB Principal Investigator, Dr Frédéric Bard examined the entire human genome of about 22,000 genes to identify those genes of normal host cell processes which Ricin and PE toxins hijack in order to kill the cell. (sciencedaily.com)
  • By identifying the specific host genes required for these toxins to attack the cell's protein 'factories', this study effectively singled out the attractive therapeutic targets from the entire human genome for developing antidotes that could potentially be effective against any toxins that share the same mode of action. (sciencedaily.com)
  • In addition, clinical trials using either gene transfer or genome editing continue to show promise, with the potential to impact treatment for patients with a wide range of hereditary disorders in the future. (cdc.gov)
  • Synaptic, transcriptional and chromatin genes disrupted in autism. (nature.com)
  • MicroRNAs constitute a pervasive post-transcriptional filter on protein or mRNA expression levels that are likely to control developmental timing, cellular differentiation, stress responses, metabolism and proliferation. (mdpi.com)
  • Rather it is part of a "genetic cascade" involving so-called target genes and effector genes. (scientificamerican.com)
  • Therefore, it is important to describe their mechanisms of actions, expression patterns and possible target genes and cellular pathways with which they interact. (mdpi.com)
  • Historically, pervasive developmental disorder (PDD) described a group of several disparate disorders unified under the main principle of delayed language development and deficits in social interaction. (medscape.com)
  • In a study from New York, the new DSM-5 criteria for ASD were found to identify 91% of children previously diagnosed with pervasive developmental disorder (PDD) on the basis of DSM-IV criteria. (medscape.com)
  • Under DSM-IV , pervasive developmental disorder included four separate disorders: autistic disorder, Asperger's disorder, childhood disintegrative dsorder, and Rett syndrome in addition to the catch-all diagnosis of pervasive developmental disorder not otherwise specified (PDD-NOS). (medscape.com)
  • Most individuals diagnosed with a pervasive developmental disorder (PDD) from DSM-IV should still meet the criteria for ASD in DSM-5 or another, more accurate DSM-5 diagnosis. (medscape.com)
  • A special education professional may be needed to design a specific curriculum for each child with pervasive developmental disorder (PDD). (medscape.com)
  • In this retrospective multi-cohort study, we investigated whether combining pyroptosis- and immune-related genes improves prognostic classification of AML patients. (nature.com)
  • Diagnostic clinical relevance of developmental pluripotency-associated 2 (DPPA2) in colorectal cancer. (nih.gov)
  • Chromatin modifier developmental pluripotency associated factor 4 (DPPA4) is a candidate gene for alcohol-induced developmental disorders. (bvsalud.org)
  • We identified 91 genes, including 38 new NDD genes, with an excess of de novo mutations or private disruptive mutations in 5.7% of cases. (nature.com)
  • Figure 2: Targeted sequencing highlights genes reaching significance for de novo mutations and private disruptive variant burden. (nature.com)
  • Recurrent de novo mutations implicate novel genes underlying simplex autism risk. (nature.com)
  • The de novo mutations in genes that create proteins are a well-established cause of developmental disorders, but to date many of the genes linked to these disorders remain unknown. (sciencedaily.com)
  • The authors then used an improved statistical test to determine whether individuals in the study had more mutations in the same gene than they would expect to occur by chance. (sciencedaily.com)
  • MCSZ is caused by mutations in the PNKP gene. (medlineplus.gov)
  • PNKP gene mutations lead to production of an unstable enzyme that is quickly broken down in the cell. (medlineplus.gov)
  • which means both copies of the gene in each cell have mutations. (medlineplus.gov)
  • Impact of PNKP mutations associated with microcephaly, seizures and developmental delay on enzyme activity and DNA strand break repair. (medlineplus.gov)
  • Gene expression profiles obtained without artifacts introduced by isolation procedures or gene mutations provide a valuable overview of retina development under natural developmental conditions. (biomedcentral.com)
  • Blue squares indicate phenotypes directly attributed to mutations/alleles of this gene. (jax.org)
  • No evidence of patients and even within the same gene is expected somatic mutations was found in this study. (cdc.gov)
  • We hypothesize that early alcohol-induced epigenetic changes disrupt the accurate developmental programming of embryo and consequently cause the complex phenotype of developmental disorders. (bvsalud.org)
  • Still, insulin is frequently used at supraphysiological concentrations for embryo in vitro culture with unknown consequences for the developmental potential of the offspring. (slu.se)
  • In the present study we investigated the effects of insulin exposure during in vitro bovine oocyte maturation on developmental rates, embryo quality and gene expression. (slu.se)
  • Hox genes encode crucial developmental regulators that specify segmental identities along the Antero-Posterior (A-P) body axis in the developing embryo of bilaterian species. (biorxiv.org)
  • Intriguingly, the researchers were able to identify let-7 s target gene in the fly and in vertebrates, which suggests that the entire genetic cascade has been conserved over the course of evolution. (scientificamerican.com)
  • The authors collated anonymised healthcare and research data to create the largest available genetic resource for developmental disorders. (sciencedaily.com)
  • A rare genetic neurometabolic disease characterized by microcephaly short stature epilepsy cerebral hypomyelination severe global developmental delay and progressive spasticity. (globalgenes.org)
  • The genetic study showed promising results in "silencing" the genes that translate into tau protein, the primary component behind dementia. (medicaldaily.com)
  • We develop a computational model for the hematopoietic erythroid-myeloid lineage decision, which is determined by a genetic switch involving the genes PU.1 and GATA-1. (lu.se)
  • We report 8 patients from 7 Jordanian families, 6 of whom underwent genetic testing and were found to have a 12 bp (155-166 del) deletion within the tubulin-specific chaperone E (TBCE gene) in exon 3 at 1q42-43. (who.int)
  • Mutation of regulatory network components determines inborn aspects of interspecies and individual diversity, while epigenetic modifications in response to environment and experience fine-tune inborn diversity and underlie processes of developmental and behavioral plasticity. (illinois.edu)
  • How do alterations in regulatory networks - through mutation, epigenomic changes, or other - translate into behavioral and developmental diversity and plasticity? (illinois.edu)
  • Alexander qualified for five Early Intervention therapies in summer 2021, physical, occupational, developmental, behavioral and speech when he was about a year old. (kdvr.com)
  • Consult a child psychiatrist and/or a developmental/behavioral pediatrician to evaluate and treat comorbid diagnoses such as depression, ADHD, or OCD and to lead a multidisciplinary team for case management, which may include family psychoeducational therapy, psychopharmacologic treatment, speech therapy, occupational therapy, physical therapy, and behavioral therapy. (medscape.com)
  • Certain behaviors may require medication prescribed by a child and adolescent psychiatrist or behavioral-developmental pediatrician. (medscape.com)
  • All animal species exhibit certain fundamental similarities in form and behavior, but also many striking differences despite very similar complements of genes. (illinois.edu)
  • DEGs, or Differentially Expressed Genes, are genes whose expression levels show significant differences between two or more conditions or experimental groups. (pharmiweb.com)
  • These developmental differences are caused by differential expression of genes and isoforms. (lu.se)
  • In flies, the MSL complex has emerged as a molecular balancing mechanism to ensure the same amount of gene output in both sexes. (mpg.de)
  • Numerous environmental stimuli can alter the DNA methylation that occurs for ERα, glucocorticoid receptors, as well as many other critical genes involved in neuronal development. (uky.edu)
  • DGE analysis elucidates how genes respond to environmental stimuli, such as heat stress, chemical exposure, or pathogen infection. (pharmiweb.com)
  • According to a study published today in the journal Nature, researchers at Massachusetts General Hospital and Harvard Medical School have discovered that a tiny RNA gene known to regulate development in the roundworm Caenorhabditis elegans is found in the genomes of all animals whose left and right sides are basically identical. (scientificamerican.com)
  • By employing a range of diverse biological systems, researchers aim to extract the essential features of networks that have evolved to control plasticity in neural and developmental contexts. (illinois.edu)
  • By analyzing the expression levels of thousands of genes simultaneously, researchers can identify genes that are upregulated (higher expression) or downregulated (lower expression) in one condition compared to another. (pharmiweb.com)
  • Multiplex targeted sequencing identifies recurrently mutated genes in autism spectrum disorders. (nature.com)
  • Research into the causes of developmental disorders has identified 285 genes linked to these conditions, including 28 newly-associated genes. (sciencedaily.com)
  • They estimate about 1,000 genes linked to developmental disorders remain to be discovered, requiring more open access to healthcare data. (sciencedaily.com)
  • Analysis of the data estimates that around 1,000 genes linked to developmental disorders remain to be discovered. (sciencedaily.com)
  • These developmental disorders can lead to conditions such as intellectual disability, epilepsy, autism or heart defects. (sciencedaily.com)
  • Ongoing initiatives, such as the Deciphering Developmental Disorders (DDD) study, have discovered associated genes by looking for patterns in the genomes of people with these disorders. (sciencedaily.com)
  • Dr Kaitlin Samocha, a first author of the study from the Wellcome Sanger Institute, said: "From previous studies we know that certain genes and types of mutation are more strongly linked to developmental disorders, which has allowed us to narrow our search. (sciencedaily.com)
  • Combined with a much larger dataset, this has enabled us to identify 28 novel genes associated with developmental disorders. (sciencedaily.com)
  • But our findings also estimate that we require ten times as much data to be able to identify all the genes linked to developmental disorders. (sciencedaily.com)
  • Practical applications may include the development of medical therapeutics for mental health, aging, and developmental disorders. (illinois.edu)
  • Gene Therapy Approaches for the Treatment of Retinal Disorders. (umassmed.edu)
  • Huerta M, Bishop SL, Duncan A, Hus V, Lord C. Application of DSM-5 Criteria for Autism Spectrum Disorder to Three Samples of Children With DSM-IV Diagnoses of Pervasive Developmental Disorders. (medscape.com)
  • The Modified Checklist for Autism in Toddlers: an initial study investigating the early detection of autism and pervasive developmental disorders. (medscape.com)
  • It is likely that conserved networks that regulate gene expression underlie most of the similarities, and that alterations in those regulatory networks can explain many aspects of biological diversity. (illinois.edu)
  • The team lead by Asifa Akhtar suggests that the origin of the MSL complex lay in the regulation of these developmental genes and was later reused also to regulate dosage compensation. (mpg.de)
  • Introduction regulate choices of expressed genes as part of the macrophage/ neutrophil lineage. (lu.se)
  • Most recently, students have targeted autism genes, thyroid genes and immune modulators, several of which have already led to publications. (cshl.edu)
  • In Drosophila , the BX-C cluster contains the three most posterior Hox genes, where their collinear activation incorporates progressive replacement of histone modifications, reorganization of 3D chromatin architecture and sequential activation of boundary elements and cis -regulatory regions. (biorxiv.org)
  • To dissect functional hierarchies, we compared chromatin organization in larvae and in cell lines, with a focus on the Abd-B gene. (biorxiv.org)
  • Interestingly, we detected a non-canonical inversion of collinear chromatin dynamics at the Abd-B gene, with the active histone domain decreasing in size. (biorxiv.org)
  • The collinear activation of the Hox genes and their cis -regulatory elements is thought to rely on the progressive opening of the chromatin within the BX-C along the A-P axis. (biorxiv.org)
  • Hence, developmentally regulated, lineage-specific transcription of the lck gene is mediated by distinct promoter sequences that appear to be capable of functioning independently. (rupress.org)
  • Within the same functional classes, however, different gene populations were expressed in distinct developmental phases. (biomedcentral.com)
  • Each cell population has its own distinct developmental features and generates unique cell types. (frontiersin.org)
  • Furthermore, common genes with alcohol-associated DNAm changes in placenta and hESCs were linked exclusively to the neurodevelopmental pathways in the enrichment analysis , which emphasizes the value of placental tissue when analyzing the effects of prenatal environment on human development . (bvsalud.org)
  • By subjecting DEGs to gene ontology enrichment analysis, pathway analysis, or functional annotation, we gain insights into the biological processes, molecular functions, and pathways associated with the observed gene expression changes. (pharmiweb.com)
  • Microcephaly, seizures, and developmental delay (MCSZ) is a condition characterized by an abnormally small head size (microcephaly) and neurological problems related to impaired brain development before birth. (medlineplus.gov)
  • Newly diagnosed with MTHFS-related developmental delay-microcephaly-short stature-epilepsy syndrome? (globalgenes.org)
  • We report a child from a highly inbred Omani family with hypoparathyroidism, growth failure, developmental delay and a distinctive facial appearance. (nih.gov)
  • Early Intervention was created in 1986 to address developmental delays in children like Alexander as soon as possible. (kdvr.com)
  • They identified genomic islands of speciation between them, containing potentially adaptive genes associated with mate choice. (biomedcentral.com)
  • This alignment process enables the determination of the origin of each read, allowing us to associate it with specific genes or genomic regions. (pharmiweb.com)
  • A unique feature of Hox genes in most species is that they are organized in clusters, with their relative genomic position corresponding to their order of expression along the A-P axis ( McGinnis and Krumlauf, 1992 ). (biorxiv.org)
  • An understanding of the molecular mechanisms driving this developmental regulation of gene expression is critical for understanding the complex events that determine lasting brain physiology and prime the plasticity of neurons. (uky.edu)
  • Sexual dimorphism requires regulation of gene expression in developing organisms. (lu.se)
  • The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. (medlineplus.gov)
  • Human ortholog(s) of this gene implicated in autosomal dominant hypocalcemia 2 and familial hypocalciuric hypercalcemia 2. (nih.gov)
  • We generated mice that possess a heterozygous deletion of the PTG gene. (jci.org)
  • As previously reported, transgenic mice bearing functional proximal promoter sequence juxtaposed with the SV40 large T antigen gene invariably develop lymphoid tumors confined to the thymus. (rupress.org)
  • In the current work, transgenic mice bearing a 2.6-kb fragment of the human distal promoter fused to the SV40 large T antigen gene express large T antigen in thymocytes and in peripheral lymphoid cells, and develop tumors of both the thymus and the peripheral lymphoid organs. (rupress.org)
  • If not, in phenomena such as Haploinsufficiency, aneuploidy or other forms of chromosome abnormality, these gene dosage alterations can cause severe defects ultimately resulting in developmental failures and disease. (mpg.de)
  • While females have two X chromosomes in their somatic cells, males possess only one X and one copy of the Y chromosome, which contains only very few genes. (mpg.de)
  • Flies do the opposite: if they are male, the genes on their X chromosome are read twice as much as in females. (mpg.de)
  • They studied how exactly a group of proteins and non-coding RNAs, namely the MSL complex increases the gene expression of the single X chromosome in male flies to achieve the same dosage as XX females. (mpg.de)
  • But instead of up-regulating the transcription of one entire X chromosome with several hundred genes, here it only targets individual genes. (mpg.de)
  • We always wondered how dosage compensation as a process to equalize gene expression of one entire chromosome could arise in the evolution of these insects," explains Asifa Akhtar the main motivation of the study. (mpg.de)
  • It is linked to the TBCE gene on chromosome 1q42-43 which encodes for the tubulin-specific chaperone E protein [2-4]. (who.int)
  • International Journal of Developmental Neuroscience , 31 (6), 448-451. (uky.edu)
  • During the course, the students will analyze any phenotypes generated from CRISPR/Cas9 based gene depletion while learning the diverse array of techniques available in Xenopus . (cshl.edu)
  • MSK investigators have shown that a mutation in a gene called PTEN that's linked to many kinds of cancer can also cause birth defects of the nervous system. (mskcc.org)
  • A gene known for its ability to form blood vessels has been found to be a key player in a chromosomal abnormality that causes potentially devastating birth defects in the heart and throughout the body. (scienceblog.com)
  • Phylogenetic analyses showed that no single species tree can efficiently represent all species relationships, suggesting high levels of repeatedly occurring gene flow. (biomedcentral.com)
  • After orangutans in Indonesia were reported as infect- structed by using orthologous genes and must include as ed with Plasmodium cynomolgi and P. vivax , we conducted phylogenetic analyses of small subunit ribosomal RNA gene many species sequences as possible. (cdc.gov)
  • les analyses génétiques réalisées sur six d'entre eux ont révélé une délétion de 12 bp (155-166 del) dans l'exon 3 localisé en 1q42-43 dans le gène TBCE codant la protéine chaperon E spécifique de la tubuline. (who.int)
  • In this presentation, Drs. Rivella and Sheth will review the status of the FDA-approved gene therapy process for thalassemia, discussing the science behind it, the results of the clinical trials associated with it, and the clinical implications as gene therapy begins to be applied in a real-world setting. (cdc.gov)
  • In addition, they will explore future clinical trials involving potential alternative gene therapy treatments. (cdc.gov)
  • Our ultimate goal is to accelerate brain function in individuals affected by DDX3X Syndrome through advances in cell and gene therapy and pharmaceuticals. (globalgenes.org)
  • How overall principles of cell-type-specific gene regulation (the "logic") may change during ontogeny is largely unexplored. (keystonesymposia.org)
  • Among the later increased population, only about 40% genes are correlated with rod photoreceptors, indicating that multiple cell types contributed to gene expression in this phase. (biomedcentral.com)
  • With RNA-seq , we can capture and quantify the abundance of transcripts, revealing the dynamic landscape of gene expression within a cell or tissue. (pharmiweb.com)
  • However, prior to commitment, it has been cells, it is evident that GATA-1 and PU.1 are able to specify observed that many genes are expressed at intermediate or basal erythroid and myeloid cell fates (see [16] and references therein). (lu.se)
  • Developmental Cell. (lu.se)
  • Creatures as diverse as worms, sea urchins, flies, fish and humans may all march to the beat of the same drummer when it comes to developmental timing. (scientificamerican.com)
  • Protein enabled homolog is a protein that in humans is encoded by the ENAH gene. (wikipedia.org)
  • For example, humans gether with the A-type, S-type, and O-type SSUrRNA gene are natural hosts for P. falciparum, P. vivax, P. malaria, sequence data for various Plasmodium spp. (cdc.gov)
  • This finding raises the possibility that other zoonotic A-type SSU rRNA genes and that the VS63 sequence rep- malaria parasites may emerge in humans. (cdc.gov)
  • Figure 3: Protein locations of private disruptive variants in new candidate NDD risk genes. (nature.com)
  • The CLN5 subtype is caused by a variants in the CLN5 gene, which leads to disruption of normal protein function. (rochester.edu)
  • Third, even using currently available comprehensive arrays, tissue-specific genes are still under-represented, including alternatively spliced variants or genes that are only briefly expressed in a tissue-specific pattern. (biomedcentral.com)
  • This analysis enables us to pinpoint genes that play pivotal roles in phenotypic variation, disease development, or response to treatments. (pharmiweb.com)
  • Dynamical models based upon known interactions between these master genes, such as mutual antagonism and autoregulation, fail to make the system bistable, a desired feature for robust lineage determination. (lu.se)
  • The effect of expressing a gene is also influenced by which other genes are simultaneously expressed (functional interactions). (lu.se)
  • These "first responders," including transcription factors, signaling molecules, and regulatory RNAs, interact within regulatory networks to control sequential cascades of downstream genes. (illinois.edu)
  • Our goal is to define gene regulatory networks that underlie the expression of complex patterns of development and behavior, and to understand how those networks are shaped by mutation and epigenetic events to craft individual and species diversity. (illinois.edu)
  • What are the major components of those mechanisms, and how are they integrated into gene regulatory networks? (illinois.edu)
  • Each trio includes sequences from a child with a developmental disorder, plus both of their parents. (sciencedaily.com)
  • It has been the albumin and AFP genes contain a number of regulatory sequences important for their expression. (princeton.edu)
  • Second, a broader spectrum of experimental points during developmental processes leads to increased costs, especially when using common comprehensive arrays. (biomedcentral.com)
  • In contrast to EryP-specific genes, which exhibit promoter-centric regulation through Gata1, EryD-specific genes employ distal enhancers for long-range regulation through enhancer-promoter looping, confirmed by Gata1 HiChIP. (keystonesymposia.org)
  • Statistical methods are employed to identify genes that exhibit significant changes in expression between experimental conditions. (pharmiweb.com)
  • Finally, we discover that sex-biased networks are enriched by genes specific to the Nasonia clade, and that those genes possess the topological properties of key regulators. (lu.se)
  • These findings suggest that regulators in sex-biased networks evolve more rapidly than regulators of other developmental networks. (lu.se)
  • Consilience and Life History Theory: From genes to brain to reproductive strategy. (bvsalud.org)
  • Genes, Developmental" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (ouhsc.edu)
  • Since the first microRNA was identified in 1993 by Victor Ambros and colleagues (the lin-4 heterochronic gene in C. Elegans ), more than 24,000 microRNAs have now been identified. (mdpi.com)
  • In the course of our studies concerning the evolution of Hox gene regulation, we produced a transgenic mouse model expressing fish Hox genes, which displayed a reduced number of thoraco-lumbar vertebrae and concurrent sacral homeotic transformations. (nih.gov)
  • A transgenic mouse model using the LTRs of two CNS-derived strains of HIV-1 (HIV-1 JR-CSF and HIV-1 JR-FL ) has been developed to study HIV-1 gene expression in vivo. (johnshopkins.edu)
  • Despite the significance of this developmental feat, its evolutionary origins have remained unclear, owing largely to the fact that there has been little comparative (evolutionary) work done on this topic between the jawed vertebrates and cyclostomes-the jawless lampreys and hagfishes. (frontiersin.org)
  • After identifying Differentially Expressed Genes (DEGs), we delve deeper into their functional significance. (pharmiweb.com)
  • Six individual gene expression clusters were identified based on expression patterns of transcripts through retina development. (biomedcentral.com)
  • For the first time, they were able to show that the MSL complex also controls essential developmental genes on other chromosomes. (mpg.de)
  • It has to be ensured that genes on these chromosomes are read equally to generate the same amount of output. (mpg.de)
  • These data suggest that there is differential expression of the SRIF gene in different regions of the brain and in the stomach during development. (northwestern.edu)
  • In contrast, sex-bias in pupae and adults is driven by the differential expression of genes. (lu.se)
  • Additional methods include mRNA in situ hybridization and protein immunohistochemistry as well as basic bioinformatic techniques for gene comparison and functional analysis. (cshl.edu)
  • DNA Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body or the code for functional ribonucleic. (msdmanuals.com)