• It is a protein with a key role in regulating muscle differentiation or myogenesis, specifically the development of skeletal muscle. (wikipedia.org)
  • In zebrafish, Myf5 is the first MRF expressed in embryonic myogenesis and is required for adult viability, even though larval muscle forms normally. (wikipedia.org)
  • As no muscle is formed in Myf5;Myod double mutant zebrafish, Myf5 cooperates with Myod to promote myogenesis. (wikipedia.org)
  • Cell culture experiments indicated that Gln could promote cell proliferation in a dose dependent manner, but expression of myogenesis regulatory genes was not altered. (nature.com)
  • MicroRNA-1/206(miRNA-1/206) is specifically expressed in skeletal muscle and play a critical role in myogenesis. (biomedcentral.com)
  • Activation of IL-4/IL-13 signaling promotes proliferation of FAPs to support myogenesis while inhibiting their differentiation into adipocytes. (scienceexhibitions.org)
  • 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)
  • Adult regenerative myogenesis is dependent on progenitor cells. (biologists.com)
  • Although it is expressed in both the epaxial (to become muscles of the back) and hypaxial (body wall and limb muscles) portions of the myotome, it is regulated differently in these tissue lines, providing part of their alternative differentiation. (wikipedia.org)
  • The manuscript evaluated an under appreciated aspect of tissue regeneration which is the need to synthesize and assemble huge amounts of contractile machinery and supporting structures and metabolic enzymes. (elifesciences.org)
  • The use of a muscle creatine kinase germline knockout of the gene encoding Ire1/Ern1 shifts the focus from traditional studies of tissue repair toward the regenerating myofibers. (elifesciences.org)
  • The findings shed new light on mechanisms of regeneration of healthy myofibers after severe tissue injury and suggest interplay between these fibers and muscle satellite cells though mechanisms remain to be elucidated. (elifesciences.org)
  • Skeletal muscle, the most abundant tissue of the body, has remarkable regenerative capacity mainly due to its resident muscle stem cells, also known as satellite cells. (elifesciences.org)
  • More proliferation was observed in muscle tissue of LBW-GLN than LBW-ALA piglets at 5 dpn, but there was no clear effect of supplementation on related gene expression. (nature.com)
  • Overall, Gln supplementation stimulated cell proliferation in muscle tissue and in vitro in myogenic cell culture, whereas muscle growth regulatory genes were barely altered. (nature.com)
  • Glutamine is regarded as the most abundant amino acid in the body, is mainly synthesized in skeletal muscle 10 , and muscle tissue is the most important site for Gln storage 11 . (nature.com)
  • Both miRNAs and siRNAs need to be delivered into the target tissue or cell in order to activate the desired therapeutic effect," Muthiah Manoharan, Ph.D., senior vp, drug discovery, Alnylam Pharmaceuticals, explained. (genengnews.com)
  • To better understand the mechanisms that regulate Notch function in cancer, we studied Notch signaling in a Drosophila tumor model, prostate cancer-derived cell lines, and tissue samples from patients with advanced prostate cancer. (bvsalud.org)
  • A beta cell ATGL-lipolysis/adipose tissue axis controls energy homeostasis and body weight via insulin secretion in mice. (omicsdi.org)
  • The results support the concept that fuel excess can drive obesity and diabetes via hyperinsulinaemia, and that an islet beta cell ATGL-lipolysis/adipose tissue axis controls energy homeostasis and body weight via insulin secretion. (omicsdi.org)
  • 2010 However reflecting their adipogenic potential FAPs can also give rise to ectopic adipocytes that accumulate in degenerating muscle tissue (Uezumi et al. (scienceexhibitions.org)
  • Muscle injury results in quick activation of the innate immune system which exerts pleiotropic effects on regenerating muscle mass (Brunelli and Rovere-Querini 2008 Tidball and Villalta 2010 Within minutes of injury neutrophils infiltrate hurt skeletal muscle mass and launch tissue-damaging reactive molecules which exacerbate muscle mass damage (Tidball 1995 This initial burst of security damage caused by the innate immune system is followed by a wave of reparative macrophages. (scienceexhibitions.org)
  • Tissue-engineering and cell-based therapies, two prominent branches of Regenerative Medicine, are considered as the most suitable techniques to repair the tissue damage. (sciepub.com)
  • 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)
  • The levels of catalase (CAT) and glutathione (GSH) were measured in PC12 cells and Drosophila brain tissue. (sdbonline.org)
  • GSOs also mitigated the deleterious effects of GLU on the mitochondrial membrane potential and Cyt C release, thus alleviating mitochondrial dysfunction, and increased GSH levels and CAT activity in both cells and Drosophila brain tissue. (sdbonline.org)
  • 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)
  • 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)
  • In recent years, he has been studying cell-cell interaction by single-cell analysis to clarify the factors that disrupt tissue homeostasis. (tmd.ac.jp)
  • 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)
  • 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)
  • 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)
  • Our plan is to develop further these projects that cross-fertilize each other and have a main theme of enhancing and rejuvenating tissue regeneration. (ca.gov)
  • Although functional organ stem cells persist in the old, tissue damage invariably overwhelms tissue repair, ultimately causing the demise of an organism. (ca.gov)
  • Adult stem cells are tissue specific and have limited capacity to be expanded while pluripotent stem cells have the ability to differentiate into any cell type of the body while possessing unlimited self-renewal. (biotech-angels.com)
  • 34] Upon damage satellite television cells become activated providing rise to proliferating myoblasts which in turn fuse to existing muscle tissue fibers or even to additional myoblasts to URMC-099 create new myofibers to correct muscle tissue harm. (biotech-angels.com)
  • White adipose tissue (WAT) has key metabolic and endocrine functions and plays a role in regulating energy homeostasis and insulin sensitivity. (springer.com)
  • The 'adipose tissue expandability model' identifies the limited capacity and dysfunctionality of WAT, preventing its expansion and accommodation of surplus of energy, as key determinants for the onset and progression of obesity-associated metabolopathologies as a result of ectopic deposition of toxic lipid species in metabolic organs (i.e. muscle or liver [also known as lipotoxic insult]) [ 7 ]. (springer.com)
  • 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)
  • 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)
  • 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)
  • We previously reported that local administration of bFGF 1 month after recurrent laryngeal nerve (RLN) paralysis compensated for atrophy of the thyroarytenoid muscle. (biomedcentral.com)
  • As increased neuromuscular junctions are expected to maintain myofiber volume, bFGF administration may prevent thyroarytenoid muscle atrophy in the mid to long term. (biomedcentral.com)
  • These treatments provide only static adjustment to the larynx, and their effects may be limited by the remaining hoarseness due to progressive atrophy of the paralyzed thyroarytenoid (TA) muscle. (biomedcentral.com)
  • Therefore, medications that can prevent the progression of muscle atrophy or promote muscle regeneration are in high demand. (biomedcentral.com)
  • Acupuncture is effective for the alleviation of denervated skeletal muscle atrophy. (acupunctureofiowa.com)
  • The results of the aforementioned research indicates that acupuncture is an effective treatment modality for skeletal muscle atrophy. (acupunctureofiowa.com)
  • Effect of electroacupuncture on denervated skeletal muscle atrophy and expression of IGF-1/PI3K/AKT in rats [J]. Chinese Acupuncture and Moxibustion, 2018,38(12):1311-1317. (acupunctureofiowa.com)
  • Experimental study of rat denervated skeletal muscle atrophy [J]. Journal of Shanghai Medical University, 1999, 26(4): 265-268. (acupunctureofiowa.com)
  • Obestatin signalling counteracts glucocorticoid-induced skeletal muscle atrophy via NEDD4/KLF15 axis. (institut-myologie.org)
  • More specifically, my laboratory investigates the role inflammation plays in muscle atrophy, as well as during recovery and regeneration after injury. (uncg.edu)
  • Physical activity is known to prevent muscle atrophy, improve or boost metabolic activity, improve respiratory function, and positively impact muscles regarding strength, endurance, and stability. (apeironzoh.com)
  • Despite only being present for a few days during embryonic development, Myf5 is still expressed in certain adult cells. (wikipedia.org)
  • 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 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)
  • 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)
  • A new tumor model, combining human embryonic stem cells (ESC) and tumor cells, develops abundant human vessels. (nih.gov)
  • 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)
  • Cellular and molecular mechanisms regulating skeletal muscle development. (scielo.br)
  • However, the mechanisms of muscle regeneration are not yet fully understood. (elifesciences.org)
  • The objective of this study was to elucidate the effects of early bFGF administration on the thyroarytenoid muscle after RLN transection and to investigate the underlying mechanisms. (biomedcentral.com)
  • Possible MSY3 mechanisms of action have been studied in cell culture studies. (biomedcentral.com)
  • 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)
  • 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)
  • My research focuses on investigating the mechanisms responsible for sarcopenia (the age-related loss of skeletal muscle mass and strength) and developing exercise interventions for the treatment/prevention of sarcopenia. (uncg.edu)
  • Additionally, we are interested in mechanisms responsible for skeletal muscle recovery and regeneration after injury. (uncg.edu)
  • The impact of titan steroids on muscle growth is multifaceted and involves various mechanisms within the body. (2014davidsonfellows.com)
  • Our research goals are to define the transcriptional networks and downstream mechanisms that link the molecular clock with proper skeletal muscle function and phenotype. (ufl.edu)
  • 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)
  • Better understanding of the cellular and molecular pathophysiological mechanisms regulating adipocyte size, number and depot-dependent expansion has become a focus of interest over recent decades. (springer.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)
  • Feeding with amino acids can stimulate protein synthesis in all tissues, especially in skeletal muscle as reviewed by Davis et al. (nature.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)
  • Understanding the molecular structure of titan steroids is essential to grasp how they interact with the body's cells and tissues. (2014davidsonfellows.com)
  • The expression of L1-encoded proteins was independent from L1 RNA levels and differentially regulated in time and tissues. (sciencegate.app)
  • The lab is also pursuing the role of physical activity/exercise as a time cue for skeletal muscle and other tissues. (ufl.edu)
  • In clinical practice, these involve the life-long immunosuppression of the organ transplantation patients, the creation of the supporting environment for engineered tissues in the mended organ, the unsolved issues of cell survival and differentiation of the cell-based therapy, and the selection and development of vectors for gene therapy. (biomedcentral.com)
  • 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)
  • 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)
  • MSCs are actively being investigated for the repair and regeneration of both osteochondral and other musculoskeletal tissues, such as tendon/ligament and meniscus. (biomedcentral.com)
  • Jyotsna Dhawan ABSTRACT Adult stem cells persist in mammalian tissues by entering a state of reversible quiescence, referred to as G 0 , which is associated with low levels of transcription. (biologists.com)
  • After several rounds of proliferation, most SCs differentiate into myoblasts, which fuse to form new myofibers [ 5 ]. (biomedcentral.com)
  • We previously reported that local injection of single, high-dose bFGF into the paralyzed vocal fold 1 month after RLN transection compensated for an atrophied TA muscle by inducing activation of SC proliferation and increasing the number of myoblasts in the RLN paralysis model of rats [ 12 ]. (biomedcentral.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)
  • 3 20 21 Major factors underlining this poor outcome included low ability of myoblasts to migrate beyond the injection site[22 23 and poor survival of injected cells. (biotech-angels.com)
  • 26-29] As an alternative to poorly-engrafting myoblasts much recent interest has developed around the idea of therapy with stem cells. (biotech-angels.com)
  • Using synchronized cultures of C2C12 myoblasts to model these divergent programs, we show that p8 (also known as Nupr1 ), a G1-induced gene, negatively regulates the cell cycle and promotes myogenic differentiation. (biologists.com)
  • Still, the existence of these separate "MyoD-dependent" and "Myf5-dependent" subpopulations has been disputed, with some claiming that these MRFs are indeed coexpressed in muscle progenitor cells. (wikipedia.org)
  • 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)
  • Inhibiting Notch in glial progenitors does not affect cell generation but instead accelerates the growth of Notch-deprived oligodendrocyte progenitor cells (OPCs) and OPC-related glioma. (bvsalud.org)
  • The close association of FAPs with regenerating muscle mass fibers along with their manifestation of factors that influence myogenic differentiation such as IL-6 and IGF-1 suggests that these stromal cells may perform a supportive part in myogenic differentiation (Joe et BV-6 al. (scienceexhibitions.org)
  • RACK1 was expressed transiently in the skeletal muscle of post-natal mice, being abundant in the early phase of muscle growth and almost disappearing in adult mature fibers. (sdbonline.org)
  • After acute injury in muscle of both mouse and the fruit fly Drosophila melanogaster (used as alternative in vivo model) this study found that RACK1 accumulated in regenerating fibers while it declined with the progression of repair process. (sdbonline.org)
  • Satellite cells help to repair and regenerate muscle fibers. (acupunctureofiowa.com)
  • This heightened protein synthesis contributes to muscle hypertrophy, or the enlargement of muscle fibers, resulting in increased muscle mass. (2014davidsonfellows.com)
  • 30 31 One group took the approach of transplanting sole muscle fibers which demonstrated that every myofiber including 7 or fewer satellite television cells could create over 100 new myofibers in engrafted muscles. (biotech-angels.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)
  • Therefore, we complemented our investigations into the cellular development of the skeletal muscle of neonatal piglets with in vitro studies using a primary porcine myogenic cell culture model with Gln supplementation. (nature.com)
  • Since only small numbers of cells are obtainable from the patient, it requires expansion of cells in vitro . (sciepub.com)
  • Nevertheless, these primary cells grow slowly in vitro and lose their general characteristics during prolonged culturing period. (sciepub.com)
  • 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)
  • Skeletal muscle and myogenic C2C12 cells were used to study the effects of MSY3 phosphorylation in vivo and in vitro on its sub-cellular localization and activity, by blocking the IGF1/PI3K/Akt pathway, by Akt depletion and over-expression, and by mutating potential MSY3 phosphorylation sites. (biomedcentral.com)
  • 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)
  • Preliminary results indicate that it also promotes brown adipocyte differentiation in vitro. (met-vasc.com)
  • Collectively, this study provides the first evidence that transient levels of the evolutionarily conserved factor RACK1 are critical for adult SC activation and proper skeletal muscle regeneration, favoring the efficient progression of SC from a committed to a fully differentiated state. (sdbonline.org)
  • Macrophage activation has been described as a dynamic process: the same cell may initially induce proinflammatory and cytotoxic reactions and later may take part in the resolution of inflammation and wound healing [ 9 ]. (hindawi.com)
  • The IAL aims to synergise the expertise in muscle and neuromuscular diseases of French teams and the expertise in immunology and inflammation of the Brazilian teams . (institut-myologie.org)
  • Additionally, titan steroids can also interact with other receptors, such as glucocorticoid receptors, which play a role in regulating inflammation and immune responses. (2014davidsonfellows.com)
  • Anabolic and progress smoothly through four distinct phases: steroids exert their effect when bound to androgen hemostasis, inflammation, proliferation, and remodel- receptors with activation of deoxyribonucleic acid ing (Kumara Swamy et al. (sagepub.com)
  • It functions during that time to commit myogenic precursor cells to become skeletal muscle. (wikipedia.org)
  • In aged skeletal muscle, impairments in regrowth and regeneration may be explained by a decreased responsiveness of muscle precursor cells (MPCs) to environmental cues such as growth factors. (uncg.edu)
  • WAT is characterised by its capacity to adapt and expand in response to surplus energy through processes of adipocyte hypertrophy and/or recruitment and proliferation of precursor cells in combination with vascular and extracellular matrix remodelling. (springer.com)
  • The high redundancy of this system shows how crucial the development of skeletal muscle is to the viability of the fetus. (wikipedia.org)
  • The delayed growth of LBW piglets is mainly due to a slower development of skeletal muscle as the myogenic activity is usually impaired in these animals during the fetal and early postnatal period 3 , 4 . (nature.com)
  • Differentiation begins (regulated by other genes) after this initial proliferation. (wikipedia.org)
  • Expression of muscle growth related genes was quantified with qPCR. (nature.com)
  • Consequently, inactive Notch accumulated in cells, where it was unable to transcribe genes encoding its target proteins, many of which have tumor-suppressive activities. (bvsalud.org)
  • Using genetic mouse models, we found that mutations of two different molecular clock genes, Clock and Bmal1, dramatically disrupt skeletal muscle structure and function. (ufl.edu)
  • 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)
  • Dual luciferase assay and Western-blot results demonstrated that SFRP1 was a target of miR-1/206 in porcine iliac endothelial cells. (biomedcentral.com)
  • His laboratory has followed two primary interests: 1) the transcription factor networks that regulate fate determination in various cells that make blood, and 2) the cell surface proteins expressed by hematopoietic stem cells that and allow them to communicate with their microenvironment. (ubc.ca)
  • We investigated the hypothesis that specific energy levels of LIPUS mediates skeletal muscle regeneration by modulating the inflammatory microenvironment. (ijbs.com)
  • We hypothesize that the ESC ovarian tumor model, with human vascular cells, will provide an ideal microenvironment to support human stem cell growth. (nih.gov)
  • If successful, this will create a murine tumor model that nearly completely reproduces the human tumor microenvironment with human tumor stroma, vessels and tumor stem cells. (nih.gov)
  • Satellite cells (SCs), which are precursors of skeletal muscles, such as the TA muscle, play a key role in muscle homeostasis and regeneration. (biomedcentral.com)
  • To directly assess the role of beta cell lipolysis in insulin secretion and whole-body energy homeostasis, inducible beta cell-specific adipose triglyceride lipase (ATGL)-deficient (B-Atgl-KO) mice were studied under normal diet (ND) and high-fat diet (HFD) conditions. (omicsdi.org)
  • My lab has pioneered research on the role of circadian rhythms and the molecular clock mechanism in skeletal muscle homeostasis and health. (ufl.edu)
  • Our study reveals Notch's context-dependent function, promoting astrocytes and astroglia-associated glioma in stem cells and repressing OPCs and related glioma in glial progenitors. (bvsalud.org)
  • Intro The regenerative response of skeletal muscle mass to ICAM4 injury is dependent within the quiescent populace of skeletal muscle mass stem cells termed the satellite cells which reside beneath the basal lamina of each myofiber (Brack and Rando 2012 Wang and Rudnicki 2012 Upon injury these quiescent satellite cells become triggered and undergo proliferation providing rise to myogenic progenitors (MPs) that ultimately differentiate into mature myofibers. (scienceexhibitions.org)
  • 2008 In addition to satellite cells recent studies have recognized an important part for fibro/adipogenic progenitors (FAPs) in muscle mass regeneration and its fatty degeneration (Joe et al. (scienceexhibitions.org)
  • The stimulation can be very carefully regulated for your comfort. (acupunctureofiowa.com)
  • The sympathetic nervous system regulates this function through β-adrenergic stimulation of brown mature adipocytes' dissipation of energy in the form of heat mediated by mitochondrial uncoupling protein-1 (UCP-1) activation. (springer.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)
  • 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)
  • Furthermore, GSOs protected cells against GLU-induced apoptosis by reducing the expression of the mitochondrial apoptosis-associated Bcl-2 family effector proteins and protected cells from GLU-induced oxidative damage by increasing the nuclear translocation of Nrf2 and HO-1 expression. (sdbonline.org)
  • There he worked with Dr. Max D. Cooper (Howard Hughes Medical Institute, National Academy of Sciences) and his research focused on cell surface proteins expressed by preB cells that regulate B cell maturation and homing. (ubc.ca)
  • In addition, he identified a number of novel hematopoietic stem cell surface proteins and began analyzing their function. (ubc.ca)
  • In this regard, his lab has identified a novel family of hematopoietic cell surface proteins, called the CD34 family, and shown that these are essential for a number of developmentally important processes. (ubc.ca)
  • Titan steroids stimulate the cells' protein-building processes, leading to an accelerated production of muscle proteins. (2014davidsonfellows.com)
  • This decreases risk for various chronic diseases by eliminating damaging proteins, improving strength, and increasing muscle mass. (apeironzoh.com)
  • The cell membrane is really a viscous fluid-like matter which includes several lipids, cholesterol, and inserted proteins. (globaltechbiz.com)
  • In the next reporting period we will re-confirm that the levels of candidate proteins from the 500 antibody array actually are very highly produced by hESCs and that the signals from these proteins are perceived by regenerating muscle cells. (ca.gov)
  • In 2010 beginning of 2011, we have approached the identification and characterization of the proteins that are produced by hESCs and have the rejuvenating and pro-regenerative activity on adult muscle. (ca.gov)
  • 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)
  • With this context of injury and repair a number of factors have been recognized that promote proliferation and differentiation of MPs (Kuang et al. (scienceexhibitions.org)
  • These cells are located beneath the basal lamina of myofiber in a dormant state. (elifesciences.org)
  • 1 Adult Stem Cells 1.1 Satellite Cells Studies in the last decade have clearly proven that the regenerative ability of adult skeletal muscle is due to the satellite cell a quiescent stem cell population of muscle precursors located between the basal lamina and sarcolemma of each myofiber. (biotech-angels.com)
  • Meat science and muscle biology symposium: stem cell niche and postnatal muscle growth, J. Anim. (copernicus.org)
  • Our team has demonstrated some important differences between man and mouse, in the regulation of the proliferation of myogenic precursors. (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)
  • The proliferation and differentiation of satellite cells are regulated by a number of extracellular signals ( Wang & Rudnicki, 2012 Wang YX, Rudnicki MA. (scielo.br)
  • Inducible depletion of satellite cells in adult, sedentary mice impairs muscle regenerative capacity without affecting sarcopenia. (scielo.br)
  • In the present study, we demonstrate that IRE1α (also known as ERN1) and its downstream target, XBP1, are activated in skeletal muscle of mice upon injury. (elifesciences.org)
  • Myofiber-specific ablation of IRE1α or XBP1 in mice diminishes skeletal muscle regeneration that is accompanied with reduced number of satellite cells. (elifesciences.org)
  • Myofiber-specific ablation of IRE1α dampens Notch signaling and canonical NF-κB pathway in skeletal muscle of adult mice. (elifesciences.org)
  • Finally, targeted ablation of IRE1α also reduces Notch signaling, abundance of satellite cells, and skeletal muscle regeneration in the mdx mice, a model of Duchenne muscular dystrophy. (elifesciences.org)
  • At 8 weeks of age, these mice were injected with tamoxifen to induce deletion of beta cell-specific Atgl (also known as Pnpla2), and the mice were fed an ND or HFD. (omicsdi.org)
  • The dynamics of RACK1 levels in isolated adult SC of mice, i.e., progressively high during differentiation and low compared to proliferating conditions, and RACK1 silencing indicated that RACK1 promotes both the formation of myotubes and the accretion of nascent myotubes. (sdbonline.org)
  • 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)
  • Mice with muscle-speci?c inactive AMPK (AMPK DN) were used to invest. (uncg.edu)
  • Apparent Absence of BMAL1-Dependent Skeletal Muscle-Kidney Cross Talk in Mice. (ufl.edu)
  • 31] Cells isolated from mature skeletal muscles displayed homogenous expression of Pax7 and contributed to both dietary fiber repair also to the muscle satellite television cell URMC-099 compartment subsequent their transplantation into dystrophic mice. (biotech-angels.com)
  • 31] Down the road Sacco and colleagues proven that intra-muscular transplantation of an individual luciferase-expressing muscle stem cell isolated from Myf5 reporter mice led to intensive proliferation and contribution to muscle materials. (biotech-angels.com)
  • 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)
  • 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)
  • Our previous studies showed that Gln had the potential to increase muscle fiber size in piglets 16 , but the mechanism was not clear. (nature.com)
  • This study aims to understand the function and mechanism of Drosophila Glycine N-acyltransferase (GLYAT) in cell invasion. (sdbonline.org)
  • We have also shown that time of exercise can significantly alter the clock mechanism in skeletal muscle independent of lighting and the central clock in the brain. (ufl.edu)
  • Cellular and molecular regulation of muscle regeneration. (scielo.br)
  • This study elucidated effects of glutamine (Gln) supplementation on the cellular muscle development of LBW and normal birth weight (NBW) piglets. (nature.com)
  • We observed a temporarily increased intramuscular availability of free Gln that could have influenced cellular processes in skeletal muscle. (nature.com)
  • Musgrove E, Seaman M, Hedley D. "Relationship between cytoplasmic pH and proliferation during exponential growth and cellular quiescence. (sciepub.com)
  • 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)
  • Mostly, there is a finite amount of time that cells can survive and cumulative damage incurred from life choices can increase or decrease the speed of cellular damage. (apeironzoh.com)
  • 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)
  • The Study of Muscle, Mobility and Aging (SOMMA): A Unique Cohort Study About the Cellular Biology of Aging and Age-related Loss of Mobility. (ufl.edu)
  • Additionally, titan steroids improve the efficiency of muscle cells' energy production. (2014davidsonfellows.com)
  • Additionally we are working in mouse and human models to determine the potential for time of day lifestyle interventions as a therapeutic approach to enhance molecular clock function and attenuate conditions of muscle weakness and wasting seen with aging and chronic diseases. (ufl.edu)
  • Significant loss of muscle mass may occur in cachexia and sarcopenia, which are major causes of mortality and disability. (mdpi.com)
  • MicroRNA-133 controls brown adipose determination in skeletal muscle satellite cells by targeting Prdm16. (scielo.br)
  • 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)
  • The cross-sectional thyroarytenoid muscle area was significantly larger in the high-dose group than in the saline and low-dose groups on days 28 and 56. (biomedcentral.com)
  • Immunohistochemistry indicated that bFGF significantly increased the number of satellite cells in the thyroarytenoid muscle up to day 14 and that of neuromuscular junctions on days 28 and 56. (biomedcentral.com)
  • Compared with the control group, the cell death index of the electroacupuncture (EA) group was significantly improved, indicating that acupuncture reduced muscle cell death. (acupunctureofiowa.com)
  • These cells have the ability to self-renew and to differentiate into specialized cell types and can be primarily classified as adult and pluripotent stem cells which differ significantly in regard to their differentiation potential and expansion capability. (biotech-angels.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)
  • 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)
  • As one of the key cell markers of satellite cells (the stem cell pool for skeletal muscles), it plays an important role in the regeneration of adult muscle. (wikipedia.org)
  • 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)
  • Morgan and Partridge note that skeletal muscle satellite cells "are normally quiescent in adult muscle, but act as a reserve population of cells, able to proliferate in response to injury and give rise to regenerated muscle and to more satellite cells. (acupunctureofiowa.com)
  • Given the significance of myogenin regulation in adult muscle, the Akt/MSY3/myogenin regulatory circuit is a potential therapeutic target to counteract muscle degenerative disease. (biomedcentral.com)
  • SCs are normally in a quiescent state in adult muscles, and start proliferating during muscle regeneration in response to denervation. (biomedcentral.com)
  • 35-39] Meanwhile a little subset of satellite television cells will not undergo differentiation but wthhold the ability to go back to a quiescent state and therefore preserve the satellite television cell pool. (biotech-angels.com)
  • ATGL in beta cells regulates insulin secretion via the production of signalling MAGs. (omicsdi.org)
  • 2012 whereas paracrine actions of IL-6 and insulin-like growth factors (IGFs) have been implicated in the differentiation of MPs into mature myotubes (Bodine et al. (scienceexhibitions.org)
  • Obesity is associated with lower skeletal muscle capillarization and lower insulin sensitivity. (uncg.edu)
  • We also found a surprising increase in insulin production by hESCs and are integrating that result with ongoing regeneration experiments. (ca.gov)
  • 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)
  • Stephane Koenig ABSTRACT Ca 2+ signaling plays a key role during human myoblast differentiation. (biologists.com)
  • Heparan sulfate proteoglycans (HSPGs) are present on the cell surface and in the extracellular matrix in all metazoans. (scielo.br)
  • He has delineated the function of these molecules in diverse set of biological processes including: 1) gut and kidney formation, 2) vascular permeability, 3) mucosal inflammatory disease, 4) stem cell homing and migration, and 5) epithelial tumor progression. (ubc.ca)
  • Vascular endothelial growth factor (VEGF) is important for the maintenance of the skeletal muscle capillaries. (uncg.edu)
  • Recently, we observed that muscle capillarization, vascular endothelial growth factor (VEGF) protein, and the VEGF mRNA response to acute exercise were lower in aged compared with young women. (uncg.edu)
  • Finally, our preliminary data suggest that the ESC-ovarian tumor model has human tumor vascular cells. (nih.gov)
  • Tumor vascular cells are critical for the growth of tumor stem cells, which reside within the vascular niche. (nih.gov)
  • Immortalized Canine Dystrophic Myoblast Cell Lines for Development of Peptide-Conjugated Splice-Switching Oligonucleotides. (institut-myologie.org)
  • 16-18] Regardless of the stimulating findings obtained using the dystrophin-deficient mouse super model tiffany livingston clinical studies performed within a cohort of DMD individuals were disheartening because of poor myoblast transfer efficacy and failure to boost strength in treated muscles. (biotech-angels.com)
  • Among Ca 2+ -sensitive pathways, calcineurin is essential for myoblast differentiation and muscle regeneration. (biologists.com)
  • Our results showed that miR-195 and miR-497 were upregulated during muscle development and myoblast differentiation. (biologists.com)
  • Firstly, such modeling methods give an insight into how cell parts function under stress. (globaltechbiz.com)
  • Skeletal muscle regeneration is regulated by coordinated activation of multiple signaling pathways. (elifesciences.org)
  • 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)
  • For instance it has been proposed that classically triggered (M1) macrophages infiltrate early to facilitate the clearance of necrotic debris whereas alternatively triggered (M2) macrophages infiltrate later on to assist with muscle growth (Arnold et al. (scienceexhibitions.org)
  • In a number of species cells regeneration is associated with the presence of the molecular signature for type 2 innate immune response such as alternatively triggered (M2) macrophages and eosinophils (Allen and Wynn 2011 Palm et al. (scienceexhibitions.org)
  • Alternatively activated M2 macrophages comprise cells exposed to low concentrations of M-CSF in the presence of IL-4, IL-13, or IL-10. (hindawi.com)
  • Depletion of macrophages in vivo eliminated the therapeutic effects of LIPUS, indicating that improvement in muscle function was the result of M2-shifted macrophage polarization. (ijbs.com)
  • 1999). such as platelets, macrophages, fibroblasts, epithelial The effect of anabolic steroids appears due to an cells, and endothelial cells. (sagepub.com)
  • 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)
  • In the mammalian brain, Notch signaling maintains the cortical stem cell pool and regulates the glial cell fate choice and differentiation. (bvsalud.org)
  • However, the function of Notch in regulating glial development and its involvement in tumorigenesis have not been well understood. (bvsalud.org)
  • Here, we show that Notch inactivation by genetic deletion of Rbpj in stem cells decreases astrocytes but increases oligodendrocytes with altered internal states. (bvsalud.org)
  • We also identified a cross-talk between oligodendrocytes and astrocytes, with premyelinating oligodendrocytes secreting BMP4, which is repressed by Notch, to up-regulate GFAP expression in adjacent astrocytes. (bvsalud.org)
  • 2008 For instance autocrine Notch signaling regulates the activation and proliferation of satellite cells (Bjornson et al. (scienceexhibitions.org)
  • 2009 potentially reflecting the reduced secretion of myogenic growth element IGF-1 by these cells (Wynes and Riches 2003 While these studies demonstrate a facilitative part of innate immune cells in muscle mass regrowth after injury a direct molecular link between the innate immune system and muscle mass progenitor biology remains to be founded. (scienceexhibitions.org)
  • Immune cells that infiltrate lesions are important for atherosclerosis progression and immunotherapies. (biomedcentral.com)
  • 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)
  • There his work focused on transcriptional control of hematopoietic stem cell maturation and cell fate. (ubc.ca)
  • Firstly, loss of dGLYAT suppressed scrib depletion- or Egr overexpression-induced JNK pathway activation and invasive cell migration. (sdbonline.org)
  • 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)
  • Molecular motors lie at the heart of biological processes from DNA replication to cell migration. (nih.gov)
  • 2010 FAPs which do not arise from your myogenic lineage are bipotential cells capable of providing rise to fibroblasts and adipocytes. (scienceexhibitions.org)