• Muscle samples were collected and myogenic cells were isolated and cultivated. (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)
  • 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)
  • 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)
  • Muscle satellite cells (MuSCs), myogenic stem cells in skeletal muscles, play an essential role in muscle regeneration. (bvsalud.org)
  • Since one of the mechanisms of muscle wasting in cachexia is defective muscle regeneration due to impaired myogenic differentiation, we examined the effect of IL11 on the differentiation of C2C12 mouse myoblasts. (bvsalud.org)
  • In addition, IL11 treatment reduced the protein and mRNA levels of myosin heavy chain (MHC), a marker of myogenic differentiation. (bvsalud.org)
  • IL11 treatment increased the number of BrdU-positive cells and the level of phosphorylated retinoblastoma (Rb) protein, while the levels of p21Waf1 and p27Kip1 were reduced by IL11 treatment in differentiating C2C12 cells, suggesting that IL11 interferes with cell cycle exit during the early stages of myogenic differentiation. (bvsalud.org)
  • Together, our results suggest that IL11 inhibits myogenic differentiation through delayed cell cycle exit in an ERK-dependent manner. (bvsalud.org)
  • Persistent expression of C/EBPβ upregulates Pax7, inhibits MyoD, and blocks myogenic differentiation. (biomedcentral.com)
  • When overexpressed in the murine myoblast cell line C2C12 or in primary myoblasts, C/EBPβ reduced MyoD and other myogenic protein levels during differentiation, in addition to reducing myoblast fusion. (biomedcentral.com)
  • MeCP2 interacts with HP1 and modulates its heterochromatin association during myogenic differentiation. (mdc-berlin.de)
  • They showed that opposing gradients of bone morphogenetic protein (BMP) and Nodal, two transforming growth factor family members that act as morphogens, are sufficient to induce molecular and cellular mechanisms required to organize, in vivo or in vitro, uncommitted cells of the zebrafish blastula animal pole into a well-developed embryo. (wikipedia.org)
  • 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)
  • 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)
  • Postnatal growth and repair of skeletal muscle relies upon a population of quiescent muscle precursor cells, called satellite cells that can be activated to proliferate and differentiate into new myofibers, as well as self-renew to replenish the satellite cell population. (biomedcentral.com)
  • Skeletal muscle growth and regeneration involves the activity of resident adult stem cells, namely satellite cells (SC). (sdbonline.org)
  • In Drosophila with depleted RACK1 in all muscle cells or, specifically, in SC lineage resulted in a delayed recovery of skeletal muscle after physical damage as well as the low presence of active SC in the wound area. (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)
  • After injury, mature terminally differentiated kidney cells dedifferentiate into more primordial versions of themselves and then differentiate into the cell types needing replacement in the damaged tissue Macrophages can self-renew by local proliferation of mature differentiated cells. (wikipedia.org)
  • Proliferating, BrdU-positive cells in muscle sections were detected with immunohistochemistry indicating different cell types and decreasing proliferation with age. (nature.com)
  • 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)
  • 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)
  • A sufficient supply of progenitor stem cells to facilitate epithelial cell proliferation is important for the cornea. (medscape.com)
  • Thus, we provide the first concrete evidence that PIEZO1, a bona fide mechanosensitive ion channel, promotes proliferation and regenerative functions of MuSCs through precise control of cell division. (bvsalud.org)
  • Enriched expression of genes in LRECb was associated with stem cell attributes and identified WNT, TGF-β, and MAPK pathways of self renewal and proliferation. (frontiersin.org)
  • During rapid mammary growth in the mouse, label retaining epithelial cells (LREC) appear to retain label by asymmetric distribution of DNA strands, as evidenced by a rapid proliferation index of the LREC ( Smith, 2005 ). (frontiersin.org)
  • During periods of low mammary proliferation, quiescence of the stem cell population may account for retention of label. (frontiersin.org)
  • Eph/ephrin signaling is a cell-to-cell communication pathway, which regulates cell migration and proliferation. (5dok.org)
  • Combined treatment with selumetinib and a dose of palbociclib sufficient to reinforce G1 arrest in selumetinib-sensitive cells, but not to impair proliferation of resistant cells, delays the emergence of resistant colonies, meaning that escape from G1 arrest is critical in the formation of resistant clones. (babraham.ac.uk)
  • 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)
  • We find that C/EBPβ can regulate Notch2 expression and that restoration of Notch activity in myoblasts lacking C/EBPβ prevents precocious differentiation. (biomedcentral.com)
  • Loss of C/EBPβ in SCs results in precocious differentiation at the expense of self-renewal in both primary myoblasts and myofiber cultures. (biomedcentral.com)
  • Differentiated airway epithelial cells can revert into stable and functional stem cells in vivo. (wikipedia.org)
  • They form characteristic cell clusters in suspension culture that express a set of genes associated with pluripotency and can differentiate into endodermal, ectodermal and mesodermal cells both in vitro and in vivo. (wikipedia.org)
  • These approaches result in the loss of all histological information pertaining to the in vivo locale of MaSC and progenitor cells. (frontiersin.org)
  • Using biologically relevant elastic substrates to study cell function in vitro has proven beneficial, as the in vivo microenvironment usually is much softer than rigid plastic dishes. (5dok.org)
  • In addition, mtDNA stress in TFAM-deficient mouse melanoma cells produces tumours that are more resistant to doxorubicin in vivo. (regenerativemedicine.net)
  • Enriched monolayer precursor cell cultures from micro-dissected adult mouse dentate gyrus yield functional granule cell-like neurons. (mdc-berlin.de)
  • [4] Apolipoprotein E transports cholesterol from astrocytes to neurons and other glial cells, regulating cell signaling in the brain. (atozwiki.com)
  • The diversification of neural-crest-derived sympathoadrenal (SA) progenitor cells into sympathetic neurons and neuroendocrine adrenal chromaffin cells was thought to be largely understood. (silverchair.com)
  • Epithelial cells adjacent to the area of the defect flatten, lose their hemidesmosome attachments, and migrate on transient focal contact zones that are formed between cytoplasmic actin filaments and extracellular matrix proteins. (medscape.com)
  • Metalloproteinases are secreted as proenzymes by neutrophils infiltrating the wound, injured epithelial cells, and keratocytes. (medscape.com)
  • We isolated four categories of cells from mammary epithelium of female calves: bromodeoxyuridine label retaining epithelial cells (LREC) from basal (LRECb) and embedded layers (LRECe), and epithelial control cells from basal and embedded layers. (frontiersin.org)
  • This dictates cycles of mammary growth, differentiation, lactation, and regression, during which mammary stem cells (MaSC) provide for the lineages of luminal and basal (myoepithelial) epithelial cells in the ducts and alveoli. (frontiersin.org)
  • Upon an electrochemical switch, growth factor presentation was reversed, which initiated cellular differentiation along the neuronal lineages. (5dok.org)
  • For example, "chief" cells express the stem cell marker Troy. (wikipedia.org)
  • Previous work in the embryonic rodent brain suggested that the preferential inheritance of the pre-existing (older) centrosome to the self-renewed progenitor cell is required to maintain stem cell properties, ensuring proper neurogenesis. (elifesciences.org)
  • Using a novel, recombination-induced tag exchange-based genetic tool to birthdate and track the segregation of centrosomes over multiple cell divisions in human embryonic stem cell-derived regionalised forebrain organoids, we show the preferential inheritance of the older mother centrosome towards self-renewed NPCs. (elifesciences.org)
  • whereas LREC in suprabasal epithelial layers are enriched for more committed progenitor cells, expressing some genes that are associated with stem cell attributes along with those indicative of cell differentiation. (frontiersin.org)
  • Retention of labeled DNA strands may be attributed to the ability of stem cells to retain the parental DNA strand during asymmetric cell division ( Cairns, 1975 ) or to quiescence of the stem cell population such that the DNA label is not diluted by frequent cell divisions ( Klein and Simons, 2011 ). (frontiersin.org)
  • On the cover: Human induced pluripotent stem cell-derived neuroepithelial-like stem cells stained for actin (green) and DNA (blue). (5dok.org)
  • We used conjugated polymers to develop a novel neural stem cell culture substrate with anchored growth factors to promote cell self-renewal. (5dok.org)
  • Accelerated Biosciences is a regenerative medicine company with freedom-to-operate for the human Trophoblast Stem Cell (hTSC) platform with 47 patents granted. (meetingonthemesa.com)
  • The researchers were able to identify the minimal conditions and factors that would be sufficient for starting the cascade of molecular and cellular processes to instruct pluripotent cells to organize the embryo. (wikipedia.org)
  • Asymmetric divisions result in two daughter cells with different fates and cellular behaviour: one daughter remains in the VZ and retains the ability to self-renew, comparable to the mother cell. (elifesciences.org)
  • This delay is required for preparatory cellular changes prior to rapid cell movement. (medscape.com)
  • CCAAT/enhancer binding proteins (C/EBPs) are a family of transcription factors that regulate cellular growth and differentiation, metabolism, and inflammation [ 18 ]. (biomedcentral.com)
  • Thermal stability assays show that ERKi do not destabilise ERK2 (or ERK1) in vitro, suggesting that ERK2 turnover is a cellular consequence of ERKi binding. (babraham.ac.uk)
  • Taken together, these data indicate that PRDM16 specifies the brown fat lineage from a progenitor that expresses myoblast markers and is not involved in white adipogenesis. (bioseek.eu)
  • The transcription factor CCAAT/enhancer binding protein beta (C/EBPβ) is expressed in Pax7 + satellite cells of healthy muscle and is downregulated during myoblast differentiation. (biomedcentral.com)
  • We find that loss of C/EBPβ leads to precocious differentiation at the expense of self-renewal in primary myoblast and myofiber cultures. (biomedcentral.com)
  • Treatment of C2C12 cells with recombinant mouse IL11 resulted in decreased myotube formation. (bvsalud.org)
  • IL11 treatment resulted in an activation of ERK, STAT3, and AKT in differentiating C2C12 cells. (bvsalud.org)
  • Genes expressed in LRECe revealed retention of some stem-like properties along with up-regulation of differentiation factors. (frontiersin.org)
  • Selumetinib causes long-term G1 arrest accompanied by reduced expression of DNA replication and repair genes, but cells stochastically re-enter the cell cycle during treatment despite continued repression of pERK1/2. (babraham.ac.uk)
  • One example is the transformation of iris cells to lens cells in the process of maturation and transformation of retinal pigment epithelium cells into the neural retina during regeneration in adult newt eyes. (wikipedia.org)
  • During human forebrain development, neural progenitor cells (NPCs) in the ventricular zone (VZ) undergo asymmetric cell divisions to produce a self-renewed progenitor cell, maintaining the potential to go through additional rounds of cell divisions, and differentiating daughter cells, populating the developing cortex. (elifesciences.org)
  • During human brain development, neural progenitor cells (NPCs) undergo two modes of cell division. (elifesciences.org)
  • Moreover, they can make this transition even in the absence of noticeable injuries and are capable of replenishing entire gastric units, in essence serving as quiescent "reserve" stem cells. (wikipedia.org)
  • Interest in ALMS1 is heightened by the recent discovery of its involvement in neonatal cardiomyocyte cell cycle arrest, a process with potential relevance to regenerative medicine. (springer.com)
  • This unique duality makes them an attractive system for potential regenerative medicine and cell therapies, but also for differentiation studies in vitro and for modeling diseases. (biomedcentral.com)
  • This meeting featured in-person presentations by leading public and private companies, highlighting technical and clinical achievements over the past 12 months in the areas of cell therapy, gene therapy, gene editing, tissue engineering and broader regenerative medicine technologies. (meetingonthemesa.com)
  • We have effectively de-risked the starting cell source decision for the regenerative medicine industry. (meetingonthemesa.com)
  • Remyelination depends on the intrinsic properties of myelinating cells, presence of axon targets, and local environmental cues. (docksci.com)
  • In-vitro studies with isolated SA progenitor cells had suggested that chromaffin cell differentiation depends crucially on glucocorticoids provided by adrenal cortical cells. (silverchair.com)
  • Recently, several chromatin-related proteins have been shown to regulate ESC pluripotency and/or differentiation, yet the role of the major heterochromatin proteins in pluripotency is unknown. (biomedcentral.com)
  • Here we identify Heterochromatin Protein 1β (HP1β) as an essential protein for proper differentiation, and, unexpectedly, for the maintenance of pluripotency in ESCs. (biomedcentral.com)
  • Each can regulate the molecular profiles of the others and also respond to products released by damaged myelin lineage cells. (docksci.com)
  • dGLYAT was found to regulate Gadd45 -mediated JNK pathway activation and cell invasion. (sdbonline.org)
  • This meant that the cells can change their differentiation pathway. (wikipedia.org)
  • This signaling pathway is a highly conserved cell-to-cell communication system that regulates cell fate in development and disease. (5dok.org)
  • We propose an opportunity to target the cancer cell/microenvironment interface instead of the Notch pathway itself in the development of cancer therapies. (5dok.org)
  • Firstly, loss of dGLYAT suppressed scrib depletion- or Egr overexpression-induced JNK pathway activation and invasive cell migration. (sdbonline.org)
  • Previous molecular characterizations of mammary stem cells (MaSC) have utilized fluorescence-activated cell sorting or in vitro cultivation of cells from enzymatically dissociated tissue to enrich for MaSC. (frontiersin.org)
  • Concern regarding numbers and capacity of endogenous myelin lineage cells provides a rational for exogenous cell replacement. (docksci.com)
  • Cells constantly receive and translate physical cues into biological messages, which in turn dictate cell shape, state and function. (5dok.org)
  • Deletion of HP1β, but not HP1α, in ESCs provokes a loss of the morphological and proliferative characteristics of embryonic pluripotent cells, reduces expression of pluripotency factors and causes aberrant differentiation. (biomedcentral.com)
  • We demonstrate an unexpected duality in the role of HP1β: it is essential in ESCs for maintaining pluripotency, while it is required for proper differentiation in differentiated cells. (biomedcentral.com)
  • Embryonic stem cells (ESCs), derived from the blastocyst-stage embryo, are capable of generating all cell types of the mammalian body (pluripotency) and of maintaining the capacity for indefinite self-renewal without compromising their genomic integrity. (biomedcentral.com)
  • Numerous cytokines and growth factors that are up-regulated in corneal cells further contribute to tissue inflammation. (medscape.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)
  • 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)
  • The 4DMT customized and evolved vectors were invented for low dose delivery via clinically routine, well-tolerated, and minimally invasive routes of administration, and efficient transduction of cells in target tissues, with reduced immunogenicity and resistance to pre-existing antibodies. (meetingonthemesa.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)
  • Mechanisms regulating cardiomyocyte cell cycle arrest are of great interest partly because reversing this process could provide a way to stimulate cardiac regeneration after injury [ 17 ]. (springer.com)
  • Our genetic engineering approach in mice revealed that PIEZO1 is functionally expressed in MuSCs and that Piezo1 deletion in these cells delays myofibre regeneration after injury. (bvsalud.org)
  • Using genetic tools to conditionally abrogate C/EBPβ expression in Pax7 + cells, we examined the role of C/EBPβ in self-renewal of satellite cells during muscle regeneration. (biomedcentral.com)
  • After a single muscle injury, C/EBPβ-deficient satellite cells fail to self-renew resulting in a reduction of satellite cells available for future rounds of regeneration. (biomedcentral.com)
  • These findings demonstrate that C/EBPβ is a novel regulator of satellite cell self-renewal during muscle regeneration acting at least in part through Notch2. (biomedcentral.com)
  • While the molecular biology of the two viruses has been characterized in great detail, the absence of robust cell culture models for HBV and/or HDV infection has limited the investigation of virus-host interactions. (mdpi.com)
  • Insights into the biology of stem cells will be gained by confirmation and characterization of candidate MaSC markers identified in this study. (frontiersin.org)
  • 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)
  • Induced totipotent cells can be obtained by reprogramming somatic cells with somatic-cell nuclear transfer (SCNT). (wikipedia.org)
  • Both proteins are present in large amounts in the intermediate filaments of this cell, so the cell appears yellow. (atozwiki.com)
  • many of these cells express the intermediate filament glial fibrillary acidic protein (GFAP). (atozwiki.com)
  • Application of continuous tension using artificial attachment points, or stretchable membrane substrates, is sufficient to drive polarization of myocyte populations in vitro. (bvsalud.org)
  • While much is known about biochemical signaling, many of the mechanisms that drive cell outcome in response to biophysical influences remain to be uncovered. (5dok.org)
  • ERKi treatment of cells drives the poly-ubiquitylation and proteasome-dependent turnover of ERK2 and pharmacological or genetic inhibition of Cullin-RING E3 ligases prevents this. (babraham.ac.uk)
  • The radial glial cells are disposed in planes perpendicular to the axes of ventricles . (atozwiki.com)
  • They are classified as either totipotent (iTC), pluripotent (iPSC) or progenitor (multipotent - iMSC, also called an induced multipotent progenitor cell - iMPC) or unipotent - (iUSC) according to their developmental potential and degree of dedifferentiation. (wikipedia.org)
  • The findings will be of interest to developmental neurobiologists, but also more broadly to cell and developmental biologists. (elifesciences.org)
  • The process involves sucking out the nucleus of a somatic (body) cell and injecting it into an oocyte that has had its nucleus removed Using an approach based on the protocol outlined by Tachibana et al. (wikipedia.org)
  • Finally, we note that the undifferentiated ESC nucleus itself shows less spatial organization than in differentiated cells. (biomedcentral.com)
  • The blue material shows DNA visualized with DAPI stain, and reveals the nucleus of the astrocyte and of other cells. (atozwiki.com)
  • Müller cells of the retina and Bergmann glia cells of the cerebellar cortex represent an exception, being present still during adulthood. (atozwiki.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)
  • Cells sense and respond to the mechanics of their substrate - be it the extracellular matrix, neighboring cells or artificial matrix in cell culture. (5dok.org)
  • Our findings demonstrate that acquisition of MEK inhibitor resistance often occurs through gene amplification and can be suppressed by impeding cell cycle entry in drug. (babraham.ac.uk)
  • We are providing GMP cells with a complete regulatory package to help cell and gene therapy developers accelerate their product time to market by 3 to 5 years with a potential $10M in savings. (meetingonthemesa.com)
  • Vinculin, a plasma protein, links fibers to talin, which is a cell membrane protein. (medscape.com)
  • Contraction of actin fibers pulls the cell body forward. (medscape.com)
  • In 1924 Hans Spemann and Hilde Mangold demonstrated the key importance of cell-cell inductions during animal development. (wikipedia.org)
  • Loss of PRDM16 from brown fat precursors causes a loss of brown fat characteristics and promotes muscle differentiation. (bioseek.eu)
  • 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 newts, muscle tissue is regenerated from specialized muscle cells that dedifferentiate and forget the type of cell they had been. (wikipedia.org)
  • This capacity to regenerate does not decline with age and may be linked to their ability to make new stem cells from muscle cells on demand. (wikipedia.org)
  • The balance between differentiation and self-renewal is critical to maintain muscle tissue homeostasis, and alterations in this equilibrium can lead to chronic muscle degeneration. (biomedcentral.com)
  • The fact that transdetermination (change of the path of differentiation) often occurs for a group of cells rather than single cells shows that it is induced rather than part of maturation. (wikipedia.org)
  • For instance, multilineage-differentiating stress-enduring (Muse) cells are stress-tolerant adult human stem cells that can self-renew. (wikipedia.org)
  • hESCs can be generated by SCNT using dermal fibroblasts nuclei from both a middle-aged 35-year-old male and an elderly, 75-year-old male, suggesting that age-associated changes are not necessarily an impediment to SCNT-based nuclear reprogramming of human cells. (wikipedia.org)
  • The fundamental work that shows the preferential inheritance of the older centrosomes by the self-renewing daughter cells in human is supported by strong evidence. (elifesciences.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)
  • They perform many functions, including biochemical control of endothelial cells that form the blood-brain barrier , [1] provision of nutrients to the nervous tissue, maintenance of extracellular ion balance, regulation of cerebral blood flow, and a role in the repair and scarring process of the brain and spinal cord following infection and traumatic injuries. (atozwiki.com)
  • The levels of catalase (CAT) and glutathione (GSH) were measured in PC12 cells and Drosophila brain tissue. (sdbonline.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)
  • Cell damage was assessed using MTT assays, and the lactate dehydrogenase (LDH) release rate and flow cytometry were used to detect the accumulation of reactive oxygen species (ROS) and mitochondrial membrane potential respectively. (sdbonline.org)
  • Cell invasion is a crucial step of tumor metastasis , finding new regulators of which offers potential drug targets for cancer therapy. (sdbonline.org)