• 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)
  • Remarkably type 2 cytokine signaling is also required in FAPs but not myeloid cells for quick clearance of necrotic debris a process that is necessary for timely and total regeneration of BV-6 cells. (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)
  • 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)
  • Skeletal muscle regeneration is regulated by coordinated activation of multiple signaling pathways. (elifesciences.org)
  • However, the role of individual arms of the UPR in skeletal muscle regeneration remain less understood. (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)
  • 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)
  • Collectively, our experiments suggest that the IRE1α-mediated signaling promotes muscle regeneration through augmenting the proliferation of satellite cells in a cell non-autonomous manner. (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)
  • However, the mechanisms of muscle regeneration are not yet fully understood. (elifesciences.org)
  • Therefore, medications that can prevent the progression of muscle atrophy or promote muscle regeneration are in high demand. (biomedcentral.com)
  • Considering that reinnervation of the TA muscle can occur even after UVFP through these anastomoses, it would be ideal if drugs that promote nerve regeneration could be used to treat UVFP. (biomedcentral.com)
  • 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)
  • SCs are normally in a quiescent state in adult muscles, and start proliferating during muscle regeneration in response to denervation. (biomedcentral.com)
  • Macrophages later arrive at the tissue to remove cellular debris, and satellite cells (SCs) are activated and proliferate to induce myofiber regeneration. (biomedcentral.com)
  • Skeletal muscle growth and regeneration involves the activity of resident adult stem cells, namely satellite cells (SC). (sdbonline.org)
  • 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)
  • 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 current running hypothesis is that the positive growth factors produced by hESCs trigger injured muscle to initiate and maintain regeneration, the TGF-beta inhibitors produced by hESCs reduce the TGF-beta signaling, and the combination assures the robust regeneration of muscle. (ca.gov)
  • Preliminary data indicates the effects on regeneration of old muscle look very promising. (ca.gov)
  • 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)
  • Defective muscle regeneration can severely affect re-innervation by motor axons, and neuromuscular junctions (NMJs) development, ultimately leading to skeletal muscle atrophy. (biomed.news)
  • In particular, in skeletal muscle, specific semaphorin molecules are involved in the restoration and remodeling of the nerve-muscle connections, thus emphasizing their plausible role to ensure the success of muscle regeneration. (biomed.news)
  • This review article aims to discuss the impact of aging on skeletal muscle regeneration and NMJs remodeling and will highlight the most recent insights about the role of semaphorins in this context. (biomed.news)
  • 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)
  • Conditional Met KO mice were generated using Cre‑loxP methodology and characterization of these mice indicated that the HGF‑Met signaling pathway is essential in regeneration, protection, and homeostasis in various tissue types and cells. (spandidos-publications.com)
  • Research in the Tidball lab is directed toward understanding processes that regulate skeletal muscle wasting and regeneration. (ucla.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)
  • 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)
  • Despite only being present for a few days during embryonic development, Myf5 is still expressed in certain adult cells. (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)
  • 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)
  • Here, we describe isolation of primary ADSCs from ovine embryonic fat tail tissues that displayed high self-renewal capacity, multilineage differentiation and excellent adipogenic ability. (bvsalud.org)
  • 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)
  • 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)
  • A new tumor model, combining human embryonic stem cells (ESC) and tumor cells, develops abundant human vessels. (nih.gov)
  • It is a protein with a key role in regulating muscle differentiation or myogenesis, specifically the development of skeletal muscle. (wikipedia.org)
  • As no muscle is formed in Myf5;Myod double mutant zebrafish, Myf5 cooperates with Myod to promote myogenesis. (wikipedia.org)
  • 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)
  • the entire adipogenic activity consists of a reduction in proliferation ability and upregulation of genes related to lipid generation and energy metabolism, as well as several genes associated with myogenesis. (bvsalud.org)
  • 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)
  • Myogenesis is a multi-step process through which uncommitted mesodermal cells commit, differentiate and undergo profound phenotypic changes. (biologists.com)
  • The past two decades has seen major advances towards our current understanding of skeletal myogenesis (reviewed in Perry and Rudnicki, 2000 ). (biologists.com)
  • Our study provides a systematic description of circRNAs of ovine skeletal muscle across fetal, lamb, and adult stages. (bvsalud.org)
  • Myofiber-specific ablation of IRE1α dampens Notch signaling and canonical NF-κB pathway in skeletal muscle of adult mice. (elifesciences.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)
  • Results: It was highly expressed in adult goat latissimus dorsi and leg muscles, goat fetal skeletal muscle, and at the differentiation stage of muscle satellite cells. (koreascience.kr)
  • 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)
  • 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)
  • 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)
  • Adult mesenchymal stem cells (MSCs) represent a subject of intense experimental and biomedical interest. (biomedcentral.com)
  • Adult stem cells play key roles in homeostasis and tissue repair. (biomed.news)
  • 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)
  • 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)
  • 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)
  • Adipose-derived stem cells (ADSCs) that are enriched in adipose tissue with multilineage differentiation potential have become an important tool in therapeutic research and tissue engineering. (bvsalud.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)
  • 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)
  • However, since there are many different non-muscle cell populations that reside within the tissue, these experiments cannot easily distinguish true myonuclei from those of neighboring mononuclear cells. (frontiersin.org)
  • Skeletal muscle is the largest tissue in the body. (frontiersin.org)
  • 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)
  • 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)
  • 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)
  • Although functional organ stem cells persist in the old, tissue damage invariably overwhelms tissue repair, ultimately causing the demise of an organism. (ca.gov)
  • In small mammals brown adipose tissue (BAT) plays a predominant role in regulating energy expenditure (EE) via adaptive thermogenesis. (biomedcentral.com)
  • To achieve this we firstly established a mouse BAT enriched-miRNA profile by comparing miRNAs expressed in mouse BAT, white adipose tissue and skeletal muscle. (biomedcentral.com)
  • Discovery of active human brown adipose tissue (BAT) has renewed interest in the possibility that it may regulate metabolism and EE in humans [ 3 - 5 ]. (biomedcentral.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)
  • The number of mitochondria in a cell can vary widely by organism , tissue , and cell type. (wikipedia.org)
  • 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 compromised tissue repair program is attributable to the gradual depletion of stem cells and to altered regulatory signals. (biomed.news)
  • Bone cell' Bone cells', which are found within the bone tissue, are responsible for the make-up of the skeleton of vertebrates. (patsnap.com)
  • They are made up of different bone cells: there is the compact tissue which is the hard outer part of the bone, the cancellous tissue which is all the spongy tissue inside of the compact tissue, and the subchondral tissue which is the smooth tissue at the end of each bone. (patsnap.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)
  • These monocyte myoblasts proliferate and differentiate, following which, they fuse with existing muscle fibers to form multinucleated myotubes and myofibers. (kosfaj.org)
  • This study aimed to identify circRNAs related to sheep skeletal muscle development and explore their roles in myoblast proliferation. (bvsalud.org)
  • In addition, we propose that circCHRNG acts as a miR-133 sponge to upregulate the expression levels of SRF and MEF2A, thereby promoting myoblast proliferation. (bvsalud.org)
  • 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)
  • First, the expression of miR-188-5p in goat muscle tissues at different developmental stages was detected by quantitative reverse transcription polymerase chain reaction (qRT-PCR). (koreascience.kr)
  • 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)
  • 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)
  • Investigating the nature of active forces in tissues reveals how contractile cells can form extensile monolayers. (u-paris.fr)
  • HGF is produced and secreted by adjacent stromal and mesenchymal cells, it contributes to the development of epithelial organs in a paracrine fashion, exerts regenerative effects on epithelia in the liver, kidney, lung, and other tissues, and promotes the regression of fibrosis in numerous organs ( 7 , 8 ). (spandidos-publications.com)
  • Conclusion: These results suggest that miR-188-5p inhibits the proliferation and promotes the differentiation of goat muscle satellite cells by targeting CAMK2B. (koreascience.kr)
  • IL-2/IL2R also promotes the differentiation of T cells into effector T cells. (ilreceptor.com)
  • Here we show that, concurrent with a decrease in chondrogenesis, inhibition of p38 in limb bud cultures dramatically promotes muscle development. (biologists.com)
  • For example, when the variant H2AZ is incorporated into the nucleosome it increases the accessibility of DNA to specific transcription factors and promotes the conversion of somatic cells to iPS cells. (jove.com)
  • The function and mechanisms of the novel circCHRNG in muscle satellite cell proliferation were explored using CCK-8 assay, Western blot, qPCR, and dual-luciferase reporter assay. (bvsalud.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)
  • 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)
  • This study will provide a theoretical reference for future studies on the molecular mechanisms of skeletal muscle development in goats. (koreascience.kr)
  • 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)
  • Understanding the mechanisms controling BAT differentiation may identify potential therapeutic targets to enhance BAT-controlled metabolism and to increase EE. (biomedcentral.com)
  • 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)
  • 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)
  • 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)
  • There his work focused on transcriptional control of hematopoietic stem cell maturation and cell fate. (ubc.ca)
  • In addition, he identified a number of novel hematopoietic stem cell surface proteins and began analyzing their function. (ubc.ca)
  • 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)
  • He is a member of the Stem Cell Network Centre of Excellence (past member of the Stem Cell Policy Committee and Research Management Committee and current Sub-chair of the Training and Education Committee), and a member of the AllerGen Network Centre of Excellence (Research Management Committee and Co-Chair of the Biomarkers Program). (ubc.ca)
  • 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)
  • From a research, medical, and business standpoint, mesenchymal stem cell (MSC)-based therapies are fascinating. (biomedcentral.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)
  • 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)
  • 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)
  • 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)
  • 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)
  • It's been suggested that miRNAs regulate up to 50% of all mRNAs in the human genome. (genengnews.com)
  • Moreover, miRNAs play a modulatory role in the development and growth of skeletal muscles [ 22 ]. (biomedcentral.com)
  • Three miRNAs, miRNA-1, −133 and −206, are specifically expressed in muscle and are considered to be myomiRs [ 23 , 24 ]. (biomedcentral.com)
  • 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)
  • Recently, two independent models, one from rodents and the other from insects, have demonstrated that nuclei are not lost from skeletal muscle fibers when they undergo either atrophy or programmed cell death. (frontiersin.org)
  • 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)
  • He performed some of the first studies to identify transcription factors that regulate the gene expression and differentiation of eosinophils, which are known to play a major role in allergic and asthmatic responses. (ubc.ca)
  • The changes of differentiation marker gene expression were detected by qPCR method. (koreascience.kr)
  • 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)
  • 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)
  • Through gene knockout studies he has shown that these molecules act as a type of molecular "Teflon" to make cells more mobile and invasive and also facilitate chemotaxis. (ubc.ca)
  • Molecular motors lie at the heart of biological processes from DNA replication to cell migration. (nih.gov)
  • These changes take place on the molecular level impacting properties of specific the different parts of cell inner structure, but resulting in alterations in mechanical properties of the complete cell ultimately. (globaltechbiz.com)
  • There is a longstanding belief that a given nucleus controls a defined volume of cytoplasm, so when a muscle grows (hypertrophy) or shrinks (atrophy), the number of myonuclei change accordingly. (frontiersin.org)
  • 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)
  • 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)
  • 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)
  • These cells are regulated by a tight control of transcriptional programs. (biomed.news)
  • 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)
  • 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)
  • For example, our findings have shown that macrophages and eosinophils are key effector cells in the pathogenesis of Duchenne muscular dystrophy. (ucla.edu)
  • 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)
  • It functions during that time to commit myogenic precursor cells to become skeletal muscle. (wikipedia.org)
  • 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)
  • As well, many older individuals suffer from sarcopenia, a protracted muscle wasting disorder that typically begins after the age of 50 and involves a loss of about 1% of muscle mass per year ( Woo, 2017 ). (frontiersin.org)
  • However, during aging, extensive injury, or pathological conditions, the complete regenerative program is severely affected, with a progressive loss of muscle mass and function, a condition known as sarcopenia. (biomed.news)
  • while the subchondral bone region enhances the environment for cells which migrate into that region's macrostructure and which differentiate into osteoblasts. (patsnap.com)
  • Ongoing investigations in the lab are revealing the identity of specific molecules released by myeloid cells that promote muscular dystrophy. (ucla.edu)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • The cell membrane is really a viscous fluid-like matter which includes several lipids, cholesterol, and inserted proteins. (globaltechbiz.com)
  • The download Hanging Sam: A Military Biography of General of Insulin like Growth Factor Binding Proteins( IGFBPs) phase 50 response pathway good research with reviewed N cell and C formation enzymes binding for conjugating Insulin like Growth Factors I and II( IGF I and IGF II). (evakoch.com)
  • Dystrophin has a structural role as a cytoskeletal stabilization protein and protects cells against contraction-induced damage. (biomedcentral.com)
  • These results also suggest the coupling of RACK1 to muscle unfolded protein response during SC activation. (sdbonline.org)
  • 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)
  • Higher cells of download Hanging Sam: A Military and mental Canadian initiation in the 5'-end novo depends the lipid protein directly than NALP1-mediated deafness to the chain. (evakoch.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)
  • 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)
  • In this study, we identified important regulators that trigger ovine adipocyte differentiation, main biological pathways involved in adipogenesis as well as the evolutionarily conserved genes governing adipogenic process across species. (bvsalud.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)
  • 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)
  • 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)
  • The Wnt signaling pathway is involved in the control of cell proliferation and differentiation during skeletal muscle development. (biomedcentral.com)
  • The SFRPs inhibit Wnt receptor binding to down-regulate pathway signaling during development [ 8 ]. (biomedcentral.com)
  • dGLYAT was found to regulate Gadd45 -mediated JNK pathway activation and cell invasion. (sdbonline.org)
  • Firstly, loss of dGLYAT suppressed scrib depletion- or Egr overexpression-induced JNK pathway activation and invasive cell migration. (sdbonline.org)
  • Role of glycosphingolipid SSEA-3 and FGF2 in the stemness and lineage commitment of multilineage differentiating stress enduring (MUSE) cells. (nih.gov)
  • 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)
  • Some evidence shows that Myf5 and MyoD are responsible for the development of separate muscle lineages, and are not expressed concurrently in the same cell. (wikipedia.org)
  • Specifically, while Myf5 plays a large role in the initiation of epaxial development, MyoD directs the initiation of hypaxial development, and these separate lineages can compensate for the absence of one or the other. (wikipedia.org)
  • 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)
  • 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)
  • 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)
  • 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)
  • Hepatocyte growth factor (HGF) is produced by stromal and mesenchymal cells, and it stimulates epithelial cell proliferation, motility, morphogenesis and angiogenesis in various organs via tyrosine phosphorylation of its cognate receptor, Met. (spandidos-publications.com)
  • Objective: The aim of this study was to reveal the role and regulatory mechanism of miR-188-5p in the proliferation and differentiation of goat muscle satellite cells. (koreascience.kr)
  • This study aims to understand the function and mechanism of Drosophila Glycine N-acyltransferase (GLYAT) in cell invasion. (sdbonline.org)
  • Ex vivo cultures of myofiber explants demonstrate that ablation of IRE1α reduces the proliferative capacity of myofiber-associated satellite cells. (elifesciences.org)
  • 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)
  • One challenge with characterizing tumor stem cells has been finding appropriate conditions for in vivo growth. (nih.gov)
  • We therefore propose (3) to isolate ovarian tumor stem cells and grow them in vivo using the ESC ovarian cancer model. (nih.gov)
  • In fact, if Myf5 is not downregulated, differentiation does not occur. (wikipedia.org)
  • Discoveries in the our lab over the past 25 years have shown that immune cells, especially myeloid cells, play a major role in modulating muscle injury and repair that occur in chronic, muscle wasting diseases and following acute injuries. (ucla.edu)
  • Most notably, while Myf5 is activated by Sonic hedgehog in the epaxial lineage, it is instead directly activated by the transcription factor Pax3 in hypaxial cells. (wikipedia.org)
  • Our study provides a novel excellent biomaterial and novel genes regulating adipogenesis for cellular transplantation therapy and investigations of fat metabolism. (bvsalud.org)
  • However, its expression is limited to brown and not white adipose precursors, providing part of the developmental separation between these two lineages. (wikipedia.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)
  • We are also determining how those Klotho-driven epigenetic regulatory influences affect muscle growth following acute muscle injury or exercise. (ucla.edu)
  • 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)
  • 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)
  • These cells are located beneath the basal lamina of myofiber in a dormant state. (elifesciences.org)
  • 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)
  • 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)
  • A single, early local administration of high-dose bFGF prevented atrophic changes in the thyroarytenoid muscles by activating satellite cell proliferation and reforming neuromuscular junctions. (biomedcentral.com)
  • However, the temporal expression pattern and the function of circRNAs during sheep skeletal muscle development remains unclear. (bvsalud.org)
  • Yet, it remains unclear from murine transplantation experiments which cell population most effectively engrafts into diseased skeletal muscle. (biomedcentral.com)
  • The most prominent example is the changes in cell biology and morphology when it evolves from a healthy to a cancerous state [1, 3]. (globaltechbiz.com)
  • Cold Spring Harbor, NY -- Cold Spring Harbor Laboratory Press (CSHLP) announced the release of The Digital Cell: Cell Biology as a Data Science, available on its website in hardcover format. (cshlpress.com)
  • GO and KEGG analyses showed that DEcircRNAs were enriched in multiple pathways associated with muscle development, such as the PI3K-Akt and AMPK signaling pathways. (bvsalud.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)
  • The high redundancy of this system shows how crucial the development of skeletal muscle is to the viability of the fetus. (wikipedia.org)
  • Our results indicate that the SFRP1 gene is regulated by miR-1/206 and potentially affects skeletal muscle development. (biomedcentral.com)
  • Despite normal development, the membrane in dystrophin-deficient cells is easily damaged. (biomedcentral.com)
  • The bone cells do many things for the skeletal system such as the development of new bones, the maintenance of bones, and the regulation of minerals in the body. (patsnap.com)