• Myogenesis is the formation of skeletal muscular tissue, particularly during embryonic development. (wikipedia.org)
  • We will perform single cell RNA sequencing (scRNA-seq) of embryonic, fetal, juvenile and adult muscle stem cells (MuSCs) and identify unique gene signatures and cell states across human myogenesis. (ca.gov)
  • Evaluate myogenic ability and functional differences of embryonic, fetal, juvenile and adult MuSCs in fusion, proliferation, engraftment and repopulation assays in mouse models of muscle disease. (ca.gov)
  • Gros J, Manceau M, Thomé V, Marcelle C. A common somitic origin for embryonic muscle progenitors and satellite cells. (scielo.br)
  • The expression level of the SFRP1 was significantly higher in the embryonic skeletal compared with postnatal skeletal muscle, whereas miR-206 showed the inverse pattern of expression. (biomedcentral.com)
  • In 2009 beginning of 2010 we have focused on investigating what factors human embryonic stem cells (hESCs) may produce that enhance regeneration and if those factors have any effects by themselves on regeneration. (ca.gov)
  • Our work is at the stage of understanding the molecular mechanisms by which the aging of the regenerative potential of organ stem cells can be reversed by particular human embryonic factors that are capable of neutralizing the affects of aged niches on tissue regenerative capacity. (ca.gov)
  • During embryonic myogenesis, migration of skeletal myogenic progenitors is essential to generate the anlagen of limbs, diaphragm and tongue, whereas in post-natal skeletal muscles, migration of muscle satellite (stem) cells towards regions of injury is necessary for repair and regeneration of muscle fibres. (crick.ac.uk)
  • In this project, the group intends to investigate the nature and the role of adenosine and AR signalling pathways on the two isoforms of muscle AChRs: the embryonic (g-AChR) regulating synaptogenesis and muscle development and the adult (e-AChR) with a role in nerve-muscle communication. (units.it)
  • Embryonic myogenic progenitor cells express CXCR4, G-protein coupled cell surface receptor, and migrate towards regions of SDF-1 expression during limb muscle development, suggesting that CXCR4/SDF-1 plays a role in muscle cell homing. (biomedcentral.com)
  • Electrical stimulation of human embryonic stem cells: Cardiac differentiation and the generation of reactive oxygen species. (unipd.it)
  • Muscle fibers generally form through the fusion of precursor myoblasts into multinucleated fibers called myotubes. (wikipedia.org)
  • If placed in cell culture, most myoblasts will proliferate if enough fibroblast growth factor (FGF) or another growth factor is present in the medium surrounding the cells. (wikipedia.org)
  • These findings imply a novel and unexpected role for p38 MAPK inhibition in myogenesis and highlight the importance of the limb bud microenvironment in promoting the progression of limb myoblasts. (biologists.com)
  • Human primary cultured skeletal myoblasts can directly reflect a patient's metabolic phenotype, because many of the signaling pathways are maintained intact. (zen-bio.com)
  • ZenBio offers human primary skeletal myoblasts from a variety of donors, including obese donors with Type 2 diabetes. (zen-bio.com)
  • Human skeletal myoblasts satellite cells are isolated from consented patients with good representation from all levels of adiposity and age. (zen-bio.com)
  • Skeletal myoblasts are available from both male and female donors. (zen-bio.com)
  • Specially formulated media are available for maintenance and differentiation of our adult skeletal myoblasts. (zen-bio.com)
  • Skeletal muscle progenitors (satellite cells), murine cell line and immortalized human myoblasts are studied in vitro to identify, in a controlled environment, the pathways regulating the regenerative potential of the skeletal muscle. (units.it)
  • This serum-free and grain-derived-nutrient-free medium promoted the proliferation of bovine myoblasts, the main cell source for cultured beef. (nature.com)
  • We hypothesized that by selecting optimal animal cells and using their CM to culture animal myoblasts, the cells could proliferate without the need for animal sera. (nature.com)
  • Because of the decreased proliferation potential [9] and lower absolute number of satellite cells in muscles from the aged rats compared with adult rats [1,10,11] , one may hypothesize that the aged rats would not yield enough myoblasts to produce myooids in culture. (josam.org)
  • Extremely Low-Frequency Electromagnetic Fields Affect Myogenic Processes in C2C12 Myoblasts: Role of Gap-Junction-Mediated Intercellular Communication [med. (emf-portal.org)
  • We also demonstrate that the transcriptional regulator PRDM16 (PRD1-BF1-RIZ1 homologous domain containing 16) controls a bidirectional cell fate switch between skeletal myoblasts and brown fat cells. (bioseek.eu)
  • Conversely, ectopic expression of PRDM16 in myoblasts induces their differentiation into brown fat cells. (bioseek.eu)
  • These monocyte myoblasts proliferate and differentiate, following which, they fuse with existing muscle fibers to form multinucleated myotubes and myofibers. (kosfaj.org)
  • Obestatin signalling counteracts glucocorticoid-induced skeletal muscle atrophy via NEDD4/KLF15 axis. (institut-myologie.org)
  • On the other hand, despite the atrophy and reduced myogenic potential of the EDL muscles in old rats, when an EDL muscle is cross-age transplanted from an old donor rat into a young host rat, the muscle regenerates as much mass and has as high a capacity for force development as a young muscle transplanted into a young host [4] . (josam.org)
  • Defective muscle regeneration can severely affect re-innervation by motor axons, and neuromuscular junctions (NMJs) development, ultimately leading to skeletal muscle atrophy. (biomed.news)
  • The effect of deer antler extract on muscle differentiation and muscle atrophy were evaluated to minimize muscle loss following aging. (kosfaj.org)
  • In addition, the expression levels of genes related to muscle differentiation and atrophy were confirmed through qRT-PCR. (kosfaj.org)
  • Gene expression of AMP-activated protein kinase (AMPK), MyoD1, and myogenin, along with the muscle atrophy factors muscle RING finger-1 (MuRF-1) and forkhead box O3a (FoxO3a) upon addition of deer antler extracts to muscle-atrophied C2C12 cells was determined by qRT-PCR after treatment with AICAR. (kosfaj.org)
  • In addition, gene expression of MyoD1 and myogenin in the muscle atrophy cell model was significantly increased compared that into the CON. (kosfaj.org)
  • Therefore, our findings indicate that antler extract can increase the expression of MyoD1, Myf5 and myogenin, inhibit muscle atrophy, and promote muscle differentiation. (kosfaj.org)
  • Muscle atrophy with aging is accompanied by muscle damage caused by oxidative damage and malnutrition caused by lack of muscle metabolism. (kosfaj.org)
  • Here we report that human skeletal muscle organoids can be differentiated from induced pluripotent stem cell lines to contain paraxial mesoderm and neuromesodermal progenitors and develop into organized structures reassembling neural plate border and dermomyotome. (bvsalud.org)
  • Culture conditions instigate neural lineage arrest and promote fetal hypaxial myogenesis toward limb axial anatomical identity, with generation of sustainable uncommitted PAX7 myogenic progenitors and fibroadipogenic (PDGFRa+) progenitor populations equivalent to those from the second trimester of human gestation. (bvsalud.org)
  • Single-cell comparison to human fetal and adult myogenic progenitor /satellite cells reveals distinct molecular signatures for non-dividing myogenic progenitors in activated (CD44High/CD98+/MYOD1+) and dormant (PAX7High/FBN1High/SPRY1High) states. (bvsalud.org)
  • Impairing the function of Mox2 will prevent the proliferation of myogenic precursors and will cause abnormal patterning of limb muscles. (wikipedia.org)
  • Our team has demonstrated some important differences between man and mouse, in the regulation of the proliferation of myogenic precursors. (institut-myologie.org)
  • The proliferation and differentiation of satellite cells are regulated by a number of extracellular signals ( Wang & Rudnicki, 2012 Wang YX, Rudnicki MA. (scielo.br)
  • The Wnt signaling pathway is involved in the control of cell proliferation and differentiation during skeletal muscle development. (biomedcentral.com)
  • Fracture Healing in Diabetes Fracture repair entails recruitment of mesenchymal stem cells after which differentiation to chondrocytes that type cartilage (see Chapter 12). (dnahelix.com)
  • All cells have been tested for myotube differentiation. (zen-bio.com)
  • Human skeletal myoblast are differentiated using Skeletal Muscle Differentiation Medium (cat# SKM-D) for at least 6 days. (zen-bio.com)
  • Myogenic differentiation was verified by immunohistochemical staining using antibodies to desmin and myosin. (zen-bio.com)
  • Gene expression of Hanwoo satellite cell differentiation in longissimus dorsi and semimembranosus, Bmc Genomics, 20, 156, https://doi.org/10.1186/s12864-019-5530-7, 2019. (copernicus.org)
  • IL-2/IL2R also promotes the differentiation of T cells into effector T cells. (ilreceptor.com)
  • Although adipocyte differentiation starts early in fetal stages, the increase in adipose cell number and size is maintained along early postnatal growth and later development [ 6 ]. (biomedcentral.com)
  • Loss of PRDM16 from brown fat precursors causes a loss of brown fat characteristics and promotes muscle differentiation. (bioseek.eu)
  • The manipulation of fat stores is an obvious therapeutic dream, but disruption of the normal differentiation or development of white adipose tissues (WAT) causes ectopic lipid storage and severe pathology (lipodystrophy) in both humans and experimental animals. (bioseek.eu)
  • Morphological changes according to the effect of antler extracts on muscle differentiation were confirmed by Jenner-Giemsa staining. (kosfaj.org)
  • In the presence of antler extracts, the length and thickness of myotubes and myogenin differentiation 1 (MyoD1) and myogenic factor 5 (Myf5) gene expression were increased compared to those in the control group (CON). (kosfaj.org)
  • Therefore, promotion of myoblast proliferation and differentiation and induction of myotube hypertrophy should be beneficial for muscle regeneration and control of muscle mass. (kosfaj.org)
  • MSCs can be defined by their ability to adhere to tissue culture plastic, their expression of several cell surface molecular epitopes-cluster of differentiation CD73, CD90, and CD105, and others-as well as their lack of several surface markers, including CD45 [ 6 ]. (biomedcentral.com)
  • While acknowledging progress in the other areas mentioned, this work will focus on the current debates concerning sourcing, MSC alterations of angiogenesis, cell differentiation/stimulation, and strategies to improve MSC differentiation. (biomedcentral.com)
  • We determined the developmental and functional status of both skeletal muscle progenitor cells as well as adult human satellite cells. (ca.gov)
  • A Human Skeletal Muscle Atlas Identifies the Trajectories of Stem and Progenitor Cells across Development and from Human Pluripotent Stem Cells. (ca.gov)
  • Bober E, Franz T, Arnold HH, Gruss P, Tremblay P. Pax-3 is required for the development of limb muscles:a possible role for the migration of dermomyotomal muscle progenitor cells. (scielo.br)
  • Myogenic regulatory factors (MRFs): MyoD, Myf5, Myf6 and Myogenin. (wikipedia.org)
  • PAX3 mediates the transcription of c-Met and is responsible for the activation of MyoD expression-one of the functions of MyoD is to promote the regenerative ability of satellite cells (described below). (wikipedia.org)
  • If Myf-5 and MyoD are both inactivated, there will be a complete absence of skeletal muscle. (wikipedia.org)
  • All superior and inferior rectus muscles from both globes were examined for BrdU incorporation, MyoD expression, neonatal and developmental myosin heavy chain (MyHC) isoform expression, and myofiber cross-sectional area alterations. (arvojournals.org)
  • In the resected muscle and in the passively stretched antagonist muscle, there was a dramatic increase in the number of myofibers positive for neonatal MyHC and in the number of BrdU- and MyoD-positive satellite cells. (arvojournals.org)
  • Regulation of skeletal myogenesis in C2C12 cells through modulation of Pax7, MyoD, and myogenin via different low-frequency electromagnetic field energies [med. (emf-portal.org)
  • Specifically,treatment of primary limb bud cultures with p38 inhibitors increases the expression of myogenic markers and causes a striking increase in formation of myotubes, which were detected using antibodies specific for myosin heavy chain. (biologists.com)
  • First, to what extent are the satellite cells from aged mammals capable of fusion into functional myotubes, and second, do satellite cells from aged mammals have any form of impaired function when compared with those from young or adult mammals? (josam.org)
  • The miRNA-mRNA profiles and bioinformatics study suggested that the SFRP1 gene was potentially regulated by miRNA-1/206 during porcine skeletal muscle development. (biomedcentral.com)
  • The expression level of the SFRP1 was highly varied across numerous pig tissues and it was down-regulated during porcine skeletal muscle development. (biomedcentral.com)
  • LBX1 is responsible for the development and organization of muscles in the dorsal forelimb as well as the movement of dorsal muscles into the limb following delamination. (wikipedia.org)
  • A lack of c-Met disrupts secondary myogenesis and-as in LBX1-prevents the formation of limb musculature. (wikipedia.org)
  • The formation of skeletal muscle:from somite to limb. (scielo.br)
  • Here we show that, concurrent with a decrease in chondrogenesis, inhibition of p38 in limb bud cultures dramatically promotes muscle development. (biologists.com)
  • Nonetheless, the enhanced myogenesis leads to the formation of an extensive network of contractile myofibers, and this enhanced myogenesis can be conferred upon myogenic cells from clonal populations, such as G8 or C2C12 cells, if they are co-cultured with the limb mesenchymal cells. (biologists.com)
  • 7 8 9 In fact, passive stretching alone can activate limb muscle satellite cells. (arvojournals.org)
  • 10 Even more compelling is a recent study that subjected individual quiescent satellite cells isolated from adult limb muscle to stretching in vitro, and showed that direct stretching of the satellite cells themselves results in activation and bromodeoxyuridine (BrdU) incorporation. (arvojournals.org)
  • Immortalized Canine Dystrophic Myoblast Cell Lines for Development of Peptide-Conjugated Splice-Switching Oligonucleotides. (institut-myologie.org)
  • The supernatant, containing the RL34 cell-secreted growth factors, was used as the conditioned medium (CM). This CM, with CVE added as a nutrient source, was applied to primary bovine myoblast cultures. (nature.com)
  • Enhancing Myoblast Fusion and Myotube Diameter in Human 3D Skeletal Muscle Constructs by Electromagnetic Stimulation [med. (emf-portal.org)
  • Myf5 is considered to be the earliest expressed regulatory factor gene in myogenesis. (wikipedia.org)
  • The poor performance of stem cells in an aged organ, such as skeletal muscle, is caused by the changes in regulatory pathways such as Notch, MAPK and TGF‐β, where old differentiated tissues and blood circulation inhibit the regenerative performance of organ stem cells. (ca.gov)
  • The objective of this work was the evaluation of muscle transcriptome profile in piglets of both genetic types, in order to identify genes, pathways and regulatory factors responsible for their phenotypic differences. (biomedcentral.com)
  • Studies previously conducted show that HS negatively affects the skeletal muscle growth and development by changing its effects on myogenic regulatory factors, insulin growth factor-1, and heat-shock proteins. (frontiersin.org)
  • The compromised tissue repair program is attributable to the gradual depletion of stem cells and to altered regulatory signals. (biomed.news)
  • Semaphorins are a wide family of extracellular regulatory signals with a multifaceted role in cell-cell communication. (biomed.news)
  • However, discoveries in our lab have also shown that regulatory interactions between cytotoxic, M1 macrophages in dystrophic muscle and anti-inflammatory, M2 macrophages are important in regulating the balance between the death of dystrophic muscle and regenerative processes. (ucla.edu)
  • We are also determining how those Klotho-driven epigenetic regulatory influences affect muscle growth following acute muscle injury or exercise. (ucla.edu)
  • When skeletal muscle is injured due to physical or chemical insult, a pool of self-renewing muscle stem cells residing within the skeletal muscles, called satellite cells, can give rise to differentiated myofibers to repair injured muscle ( Charge & Rudinicki, 2004 Chargé SBP, Rudnicki MA. (scielo.br)
  • Isolation and culture of individual myofibers and their satellite cells from adult skeletal muscle. (scielo.br)
  • The addition of BrdU-positive myonuclei increased from 1 per 1000 myofibers in cross sections of control muscles to 2 to 3 per 100 myofibers in the resected muscles. (arvojournals.org)
  • Both active and passive stretch of the rectus muscles produced by strabismus surgery dramatically upregulated the processes of satellite cell activation, integration of new myonuclei into existing myofibers, and concomitant upregulation of immature myosin heavy chain isoforms. (arvojournals.org)
  • Skeletal muscle is a complex tissue composed of thousands of individual multinucleated myofibers. (arvojournals.org)
  • It is considered postmitotic, in that the myonuclei residing within these myofibers do not divide in adult muscle. (arvojournals.org)
  • 1 2 Residing outside the sarcolemma but within the basal lamina of individual myofibers is a population of cells that are responsible for muscle repair and regeneration, the satellite cells. (arvojournals.org)
  • 3 When a muscle is injured, this specialized cell population becomes activated, divides, and either repairs damaged fibers or forms new myofibers. (arvojournals.org)
  • Cellular and molecular regulation of muscle regeneration. (scielo.br)
  • Recent mechanistic insights into the trophic activities of these cells point to ultimate regulation by nitric oxide, nuclear factor-kB, and indoleamine, among other signaling pathways. (biomedcentral.com)
  • Skeletal muscle myosin heavy chain (MHC) content was measured and MHC isoforms were separated on SDS-PAGE gels and quantified. (josam.org)
  • Adult and aged rat myooids had only ~35-60% of the skeletal muscle MHC content of control skeletal muscle from rats, the remaining MHC content consisting of isoforms found in cultured fibroblasts but not in control skeletal muscle. (josam.org)
  • In addition, myooids expressed only developmental isoforms of skeletal muscle MHC, known to generate less specific force than adult isoforms. (josam.org)
  • Quantifying the exact expression levels of the mRNA isoforms encoding these myogenic transcription factors is therefore key to understanding how MuSCs switch between cell states. (biomed.news)
  • We demonstrate that mdPCR can give exact molecule counts per cell for mRNA isoforms encoding the myogenic transcription factor Pax3. (biomed.news)
  • One of the great advantages of tissue engineering of skeletal muscle is that adult skeletal muscle contains many myogenic precursor stem cells, termed "satellite cells", which are involved in the repair and regeneration of skeletal muscle throughout the lifespan. (josam.org)
  • There are a number of factors that initiate myofiber remodeling in adult skeletal muscles. (arvojournals.org)
  • Normalizing for skeletal muscle MHC content and isoform expression predicts myooid forces of ~6-18% of control adult skeletal muscles. (josam.org)
  • Low-intensity pulsed ultrasound (LIPUS, a form of mechanical stimulation) can promote skeletal muscle functional repair, but a lack of mechanistic understanding of its relationship and tissue regeneration limits progress in this field. (ijbs.com)
  • Diprotin A stimulation of CXCR4, however, significantly increased the number of canine dystrophin-positive muscle fibers and canine-derived satellite cells by enhancing donor cell proliferation. (biomedcentral.com)
  • These changes include elongation, polarization, aggregation and fusion, which ultimately give rise to functional muscle. (biologists.com)
  • Although functional organ stem cells persist in the old, tissue damage invariably overwhelms tissue repair, ultimately causing the demise of an organism. (ca.gov)
  • Although administration of various myogenic cell types has been done intramuscularly or intravascularly, functional restoration has not been achieved yet in patients with degenerative diseases affecting multiple large muscle. (crick.ac.uk)
  • Then, we comprehensively assessed the functional and histological parameters of skeletal muscle injury in mice and the phenotype shifting in macrophages through molecular biological methods and immunofluorescence analysis both in vivo and in vitro . (ijbs.com)
  • We reported that LIPUS therapy at intensity of 60mW/cm 2 exhibited the most significant differences in functional recovery of contusion-injured muscle in mice. (ijbs.com)
  • The comprehensive functional tests and histological analysis in vivo indirectly and directly proved the effectiveness of LIPUS for muscle recovery. (ijbs.com)
  • Several types of adenosine receptors have been detected in developing and differentiated skeletal muscle cells, but little is known about the functional outcome of AR modulation on muscle AChRs. (units.it)
  • Functional three-dimensional skeletal muscle constructs (myooids) were engineered from myogenic cells harvested from the muscles of adult and aged rats. (josam.org)
  • Satellite cells are in general easy to isolate from explanted skeletal muscle, and presumably muscle biopsies from an adult mammal would provide an ample supply of cells committed to the myogenic developmental pathway to facilitate the in vitro engineering of functional skeletal muscle. (josam.org)
  • Prior to tissue engineering of functional skeletal muscle from satellite cells harvested from aged mammals, two key questions must be addressed. (josam.org)
  • To study the capacity of satellite cells to form into functional skeletal muscle tissue de novo in culture, we have developed several in vitro tissue models. (josam.org)
  • Duchenne muscular dystrophy (DMD) is the most common muscular dystrophy and an X-linked recessive, progressive muscle wasting disease caused by the absence of a functional dystrophin protein. (biomedcentral.com)
  • Animal cells are generally cultured in basal media supplemented with fetal bovine serum (FBS) which provides the various factors essential for cell growth. (nature.com)
  • To determine their possible roles in tissues and satellite cells in vitro, their expression pattern was examined in tissues from 40-day-old chickens and in satellite cells from the breast muscles of 1-week-old and 2-week-old chickens using RT-PCR and immunocytochemistry analyses. (scielo.br)
  • What was surprising is that administering these inhibitors to the whole animal appears to reduce TGF-beta levels in the whole animal, suggesting some kind of feed-back and perhaps effects on other tissues as well as muscle. (ca.gov)
  • Skeletal muscle regenerative capacity later diminishes with advancing age and decreasing numbers of SCs, and muscle tissue is steadily replaced by adipose and connective tissues[ 13 ]. (biomedcentral.com)
  • Comparison of transcriptome of skeletal muscles and other tissues between phenotypically different pig breeds has been proposed to improve the understanding of the genetic mechanisms underlying differences in growth and meat quality [ 10 ]. (biomedcentral.com)
  • The epidemic of obesity, closely associated with increases in diabetes, hypertension, hyperlipidemia, cancer and other disorders, has propelled a major interest in adipose cells and tissues. (bioseek.eu)
  • Adipose tissues contain two distinct types of fat cells, white and brown. (bioseek.eu)
  • Promotion of increased BAT development in humans, however, offers the possibility of increasing energy expenditure without necessarily causing dysfunction in other tissues. (bioseek.eu)
  • Originally discovered as axon guidance factors, they have been implicated in cancer progression, embryonal organogenesis, skeletal muscle innervation, and other physiological and developmental functions in different tissues. (biomed.news)
  • MSCs can be isolated from a range of tissues, but the most commonly cited sources are bone marrow (BM), adipose tissue, muscle, bone, and perinatal tissues (e.g. (biomedcentral.com)
  • Therefore, we propose that damage to and subsequent release of mtDNA elicits a protective signalling response that enhances nDNA repair in cells and tissues, suggesting that mtDNA is a genotoxic stress sentinel. (regenerativemedicine.net)
  • Our approach provides a robust 3D in vitro developmental system for investigating muscle tissue morphogenesis and homeostasis. (bvsalud.org)
  • Specifically, our data suggest that several other ligands of MAPK pathway secreted by hESCs are likely to enhance and rejuvenate the regeneration of old muscle tissue. (ca.gov)
  • We have submitted the several manuscripts on topics of enhanced tissue regeneration and we are preparing the manuscript that identifies hESC-based novel strategies for restoring high regenerative capacity to old muscle. (ca.gov)
  • Finally, our data suggest that muscle stem cells either do not accumulate DNA damage with age or can efficiently repair such damage, when activated for tissue regeneration. (ca.gov)
  • Thus, the use of hESC-produced pro-regenerative factors for boosting the regenerative capacity of organ stem cells is likely to yield healthy, young tissue. (ca.gov)
  • Directional cell migration is a critical process underlying morphogenesis and post-natal tissue regeneration. (crick.ac.uk)
  • In this paper, we discuss the current available information about the role that different phenotypes of macrophages plays after injury and during the remodelling phase in different tissue types, with particular attention to the skeletal muscle. (hindawi.com)
  • She has been reviewer for international Journals ( FASEB J , Cell & Tissue Res , Toxicon, Exp Cell Res ), for national grant agencies (MIUR) and international Foundations (AFM, Association Francaise contre les Myopathies). (units.it)
  • With ageing, skeletal muscle undergoes a severe reduction in tissue mass, leading to a decrease in strength (sarcopenia). (units.it)
  • The purpose of the current study was to compare the excitability and contractility of myooids engineered from skeletal muscles of 32-month-old rats with that of myooids engineered from adult rat tissue. (josam.org)
  • Macrophages later arrive at the tissue to remove cellular debris, and satellite cells (SCs) are activated and proliferate to induce myofiber regeneration. (biomedcentral.com)
  • Until quite recently, brown adipose tissue (BAT) was thought to be of metabolic importance only in smaller mammals and infant humans. (bioseek.eu)
  • Adult stem cells play key roles in homeostasis and tissue repair. (biomed.news)
  • The response of target cells is further regulated by their microenvironment, involving the extracellular matrix, which may be modified by MSC-produced matrix metalloproteinases (MMPs) and tissue inhibitor of MMPs. (biomedcentral.com)
  • steroids can thereby regulate myogenesis. (wikipedia.org)
  • Research in the Tidball lab is directed toward understanding processes that regulate skeletal muscle wasting and regeneration. (ucla.edu)
  • Upon increasing culture times in chicken´s primary skeletal muscle satellite cells, SULF1 and SULF2 expression in 1-week-old chickens was significantly higher than in 2-week-old chickens, suggesting that sulfatases play a key role in satellite cell development. (scielo.br)
  • Introduction Cell mechanics has proved to be a widely used label-free biomarker to discern phenotypes, detect pathologies and more importantly, monitor existence or progression of a disease [1C3]. (globaltechbiz.com)
  • Secondly, they can improve our understanding of the adjustments that occur during disease progression which, in turn, might uncover reasons for corresponding alterations occurring in cell mechanics [10, 11]. (globaltechbiz.com)
  • The intent of vaccination is to induce a combined antibody and T-cell anti-HER-2 immune response, which is intended to target HER-2-expressing tumor cells, and may induce tumor regression or slow progression of disease. (stanford.edu)
  • MicroRNA-133 controls brown adipose determination in skeletal muscle satellite cells by targeting Prdm16. (scielo.br)
  • 6 These manipulations result in satellite cell activation and proliferation, which in turn are responsible for muscle repair and regeneration. (arvojournals.org)
  • Here we show by in vivo fate mapping that brown, but not white, fat cells arise from precursors that express Myf5, a gene previously thought to be expressed only in the myogenic lineage. (bioseek.eu)
  • Our results indicate that the SFRP1 gene is regulated by miR-1/206 and potentially affects skeletal muscle development. (biomedcentral.com)
  • Other NIH-funded investigations in our lab explore epigenetic mechanisms through which an anti-aging protein called Klotho affects myogenesis and muscle regeneration in neonatal and aging muscle. (ucla.edu)
  • In vivo , the identification of macrophage phenotype is complicated since macrophages are obviously exposed to a microenvironment that is more complex respect to cell culture conditions, and they display characteristics that do not conform to the in vitro defined phenotypic categories. (hindawi.com)
  • We investigated the hypothesis that specific energy levels of LIPUS mediates skeletal muscle regeneration by modulating the inflammatory microenvironment. (ijbs.com)
  • In more detail, the team is studying the role of electrical activity and local trophic factors in the microenvironment of satellite cell niche and in the post-mitotic myogenesis. (units.it)
  • The first stage, involves cell cycle exit and the commencement of expression of certain genes. (wikipedia.org)
  • Serum response factor (SRF) plays a central role during myogenesis, being required for the expression of striated alpha-actin genes. (wikipedia.org)
  • Candidate genes with known effects on muscle growth were found among the DE genes upregulated in DU×IB. (biomedcentral.com)
  • Finally, Prdm16-deficient brown fat displays an abnormal morphology, reduced thermogenic gene expression and elevated expression of muscle-specific genes. (bioseek.eu)
  • Cellular and molecular mechanisms regulating skeletal muscle development. (scielo.br)
  • Additionally, our data in progress suggest that muscle and brain age by similar molecular mechanisms and thus, therapeutic strategies for rejuvenating muscle repair might be applicable to the restoration of neurogenesis in aged brain. (ca.gov)
  • These cell lines are shared in collaboration with many international teams, either to study physiological or pathophysiological mechanisms, or to test innovative therapeutic approaches. (institut-myologie.org)
  • Here, we review mechanisms of myogenic stem/progenitor cell migration during skeletal muscle development and post-natal regeneration. (crick.ac.uk)
  • In particular, her work has been focusing on the molecular mechanisms involved in the modulation of the peripheral synaptic transmission, skeletal muscle adaptation and regeneration in physiological and pathological conditions. (units.it)
  • Laboratory work has centered on the mechanisms of how cells acquire specific fates during growth and development, providing insights into normal and abnormal mechanisms of growth control. (stanford.edu)
  • Exploring the mechanisms through which the immune system can modulate skeletal muscle wasting, injury, regeneration and growth is a particular focus of the lab. (ucla.edu)
  • We determined the true SC state needed to repopulate after reinjury- the gold standard requirement for maintaining stem cell function long term. (ca.gov)
  • The research in this propoal will benefit CA residents tremendously by understanding how to generate a muscle stem cell capable of responding to injury and undergoing long term repopulation after injury to generate new muscle. (ca.gov)
  • Cell Stem Cell 2013;13(5):590-601. (scielo.br)
  • Meat science and muscle biology symposium: stem cell niche and postnatal muscle growth, J. Anim. (copernicus.org)
  • Therefore, these results establish the efficacy of diprotin A in stimulating muscle cell engraftment, and highlight the pre-clinical utility of a xenotransplantation model in assessing the relative efficacy of muscle stem cell populations. (biomedcentral.com)
  • We used a clinically acceptable regimen of hematopoietic stem cell transplantation to establish mixed donor/host blood cell chimerism and immune tolerance in a canine model of Duchenne muscular dystrophy ( cxmd ) [ 9 ]. (biomedcentral.com)
  • Neurogenesis-on-Chip: Electric field modulated transdifferentiation of human mesenchymal stem cell and mouse muscle precursor cell coculture [med. (emf-portal.org)
  • From a research, medical, and business standpoint, mesenchymal stem cell (MSC)-based therapies are fascinating. (biomedcentral.com)
  • We have chosen to work on human precursors, either in vitro or in vivo, in xenograft models that we have developed in successive European networks. (institut-myologie.org)
  • Therefore, in collaboration with W. Wright, we have developed an approach for the immortalisation of human muscle precursors that allows them to retain their ability to differentiate: this has enabled the generation of immortal cell lines derived from patient cells. (institut-myologie.org)
  • Fusion in humans is aided by a set of metalloproteinases coded for by the ADAM12 gene, and a variety of other proteins. (wikipedia.org)
  • To understand the function of SFRP1 and miRNA-1/206 in swine myogenesis, we first predicted the targets of miRNA-1/206 with the TargetScan and PicTar programs, and analyzed the molecular characterization of the porcine SFRP1 gene. (biomedcentral.com)
  • Circular transcripts of the testis-determining gene Sry in adult mouse testis, Cell, 73, 1019-1030, https://doi.org/10.1016/0092-8674(93)90279-y, 1993. (copernicus.org)
  • Duchenne muscular dystrophy (DMD), the most common and severe form of muscular dystrophy, is caused by mutations in the dystrophin gene, the largest gene identified in the human genome. (biomedcentral.com)
  • Therefore, we aimed to exploit the tumor biological implication and the therapeutic vulnerabilities of a clinically relevant molecular PDAC subgroup characterized by SMAD4 deficiency and high expression of the Nuclear Factor of Activated T-cells (SMAD4-/-/NFATc1High). (bvsalud.org)
  • In murine-to-murine transplantation experiments, CXCR4 expression marks a population of adult murine satellite cells with robust engraftment potential in mdx mice, and CXCR4-positive murine muscle-derived SP cells home more effectively to dystrophic muscle after intra-arterial delivery in mdx 5cv mice. (biomedcentral.com)
  • Intramuscular injection of donor muscle-derived cells into chimeric cxmd recipients restored dystrophin expression for at least 24 weeks in the absence of post-transplant immunosuppression, indicating that cell transplantation may be a viable therapeutic option for muscular dystrophy. (biomedcentral.com)
  • We used the xenotransplant model to show that CXCR4 expression on canine donor muscle cells is also important for cell engraftment, but FACS sorting for CXCR4-positive cells decreased their engraftment efficiency. (biomedcentral.com)
  • In line with all the reduction of methylation, an greater expression of APC was observed in each cell lines, reaching the highest degree at 48 h for Hep3B and at 72 h for HepG2, respectively. (ilreceptor.com)
  • We serially evaluate several facets of the recovery process, including α V β 3 -integrin expression (a marker of angiogenesis), blood perfusion, and muscle function. (thno.org)
  • The control of MuSC state depends on the expression levels of myogenic transcription factors. (biomed.news)
  • The past two decades has seen major advances towards our current understanding of skeletal myogenesis (reviewed in Perry and Rudnicki, 2000 ). (biologists.com)
  • The use of mesenchymal stem cells (MSCs) as a regenerative therapy holds the promise of regrowing injured vasculature, helping DM patients live healthier and longer lives. (thno.org)
  • Adult mesenchymal stem cells (MSCs) represent a subject of intense experimental and biomedical interest. (biomedcentral.com)
  • Myooids were activated by transverse electrical fields in a manner similar to that used to activate whole skeletal muscles in vitro during standard physiological measures of muscle function [8] . (josam.org)
  • In living organisms, if the temperature exceeds the normal range (thermo-neutral zone), it disturbs the normal physiological functioning and induces cell injury. (frontiersin.org)
  • Skeletal muscle is characterized by a remarkable capacity to rearrange after physiological changes and efficiently regenerate. (biomed.news)
  • The UPS is a crucial protein degradation system in human cells. (healthmasters.com.au)
  • Dystrophin has a structural role as a cytoskeletal stabilization protein and protects cells against contraction-induced damage. (biomedcentral.com)
  • These findings had been corroborated by westernblot analysis displaying a powerful reduction of DNMT1 and DNMT3a protein in each cell lines but not of DNMT3b. (ilreceptor.com)
  • Right here, only a transient decrease in protein levels was observed right after 24 to 48 h in both cell lines. (ilreceptor.com)
  • The poultry sector is noted to make a considerable contribution to global nutrition and food security, which helps in the provision of cheap protein, essential micronutrients, and energy to humans ( 1 ). (frontiersin.org)
  • however, priority needs to be given to resistance exercise training, and secondarily to adequate protein intake should be part of this dietary regime to mitigate losing muscle mass. (biomed.news)
  • One of the key reasons for this negative outcome is the limited migration of donor cells, which hinders the overall cell engraftment potential. (crick.ac.uk)
  • Together, these data suggest that CXCR4 plays an important role in donor cell engraftment. (biomedcentral.com)
  • Therefore, we sought to translate these results to a clinically relevant canine-to-canine allogeneic transplant model for Duchenne muscular dystrophy (DMD) and determine if CXCR4 is important for donor cell engraftment. (biomedcentral.com)
  • We show that CXCR4 expressing cells are important for donor muscle cell engraftment, yet FACS sorted CXCR4-positive cells display decreased engraftment efficiency. (biomedcentral.com)
  • However, diprotin A, a positive modulator of CXCR4-SDF-1 binding, significantly enhanced engraftment and stimulated sustained proliferation of donor cells in vivo . (biomedcentral.com)
  • details] Modulation of redox status and calcium handling by extremely low frequency electromagnetic fields in C2C12 muscle cells: A real-time, single-cell approach [med. (emf-portal.org)
  • The main interest of her research activity is the nerve-muscle communication and the skeletal muscle physiology, including muscle plasticity and impact of ageing on the neuromuscular system. (units.it)
  • The results of the proposed research will advance the understanding of important aspects of the neuromuscular physiology such as the modulation of the neuromuscular transmission and the skeletal muscle plasticity. (units.it)
  • Cell Metabolism 2013;17(2):210-24. (scielo.br)
  • More precisely we are working on RNA metabolism , muscle regeneration , muscle stem cells , and fibrosis , with the final aim of developing innovative therapeutic approaches. (institut-myologie.org)
  • We observed alteration in biological functions related to extracellular matrix function and organization, cellular adhesion, muscle growth, lipid metabolism and proteolysis. (biomedcentral.com)
  • BAT may thus play a much more important role in human metabolism than was previously appreciated. (bioseek.eu)
  • In this study, we used a canine-to-murine xenotransplantation model to quantitatively compare canine muscle cell engraftment, and test the most effective cell population and modulating factor in a canine model of DMD using allogeneic transplantation experiments. (biomedcentral.com)
  • Furthermore, the canine-to-murine xenotransplantation model accurately predicted results in canine-to-canine muscle cell transplantation. (biomedcentral.com)
  • Yet, it remains unclear from murine transplantation experiments which cell population most effectively engrafts into diseased skeletal muscle. (biomedcentral.com)
  • We will identify unique cell surface markers on in vivo derived MuSCs that distinguish PAX7-positive cells from other muscle cells and across cell states. (ca.gov)
  • Günther S, Kim J, Kostin S, Lepper C, Fan CM, Braun T. Myf5-positive satellite cells contribute to Pax7-dependent long-term maintenance of adult muscle stem cells. (scielo.br)
  • General, Hep3B cells appeared to be more sensitive towards the DACi mediated inhibition of DNA methylation as shown by a significant and robust reduction of methylated APC after only six h. (ilreceptor.com)
  • Transplantation of myogenic stem cells possesses great potential for long-term repair of dystrophic muscle. (biomedcentral.com)
  • Indeed, CXCR4-positive muscle-derived side population (SP) cells home more effectively to dystrophic muscle after intra-arterial delivery in mdx 5cv mice [ 10 ]. (biomedcentral.com)
  • For example, muscle stem cells (MuSCs), located beneath the basal lamina, exist in the quiescent state but can transition to an activated, proliferative state upon injury. (biomed.news)
  • When activated by injury, satellite cells reenter the cell cycle and proliferate in response to extracellular growth factors ( Relaix & Zammit, 2012 Relaix F, Zammit PS. (scielo.br)
  • Panobinostat therapy significantly repressed mRNA for DNMT1 and DNMT3a in the two cell lines while no modifications had been observed in DNMT3b levels. (thrombininhibitors.com)
  • Panobinostat treatment drastically repressed mRNA for DNMT1 and DNMT3a in the two cell lines whilst no adjustments have been observed in DNMT3b levels. (ilreceptor.com)
  • We are developing a target product profile for human satellite cells derived from human pluripotent stem cells which will be used to use muscle stem cells in personalized medicine for patients with devastating muscle wasting or degenerative diseases. (ca.gov)
  • This can be achieved using induced pluripotent stem cells (iPSCs), human adult cells that have been 'reprogrammed' to behave like cells in the embryo that can develop in to almost any cell in the body. (bvsalud.org)
  • In addition, cytokines released in the process of myonecrosis recruit inflammatory cells, which release inflammatory cytokines to activate fibroblasts that lay down extracellular matrix proteins and lead to fibrosis[ 12 ]. (biomedcentral.com)
  • Skeletal muscle is an important site of insulin-stimulated glucose disposal and often the site of insulin resistance in obesity. (zen-bio.com)
  • details] Induction of Hair Growth by Insulin-Like Growth Factor-1 in 1,763 MHz Radiofrequency-Irradiated Hair Follicle Cells [med. (emf-portal.org)
  • Our team is working on the molecular and cellular actors involved in human muscle regeneration , in muscle ageing and in muscular dystrophies including oculopharyngeal muscular dystrophy (OPMD) and Duchenne muscular dystrophy (DMD). (institut-myologie.org)
  • We have a strong expertise on human cellular models (this includes the immortalization facility that we have initiated) - and xenotransplantation (this includes several immunodeficient mouse models and grafting procedures). (institut-myologie.org)
  • We hypothesize that the remaining force deficit is due to cellular and sub-cellular disorganization-Myooids lack the density and organization of sarcomeric arrays seen in skeletal muscle. (josam.org)
  • Cytoskeleton, U-93631 which is a network of interconnected filaments of different types, connects the cell membrane with underlying sub-cellular components. (globaltechbiz.com)
  • The nucleus is the largest organelle among sub-cellular components, demonstrating solid-elastic behavior [4], and it is typically stiffer than the cell itself [5]. (globaltechbiz.com)
  • studies have shown that hindlimb muscles are severely affected by this deletion while only flexor muscles form in the forelimb muscles as a result of ventral muscle migration. (wikipedia.org)
  • Additionally, safe and efficient migration of transplanted cells is critical in cell therapies, both allogeneic and autologous. (crick.ac.uk)
  • Commensurate with the known truth that HuR improved the great quantity of adhesion substances VLA-4 on Th17 cells, knockout of HuR impaired splenic Th17 cell migration towards the central anxious program and abolished the condition. (globaltechbiz.com)