• Stem cells rely on extracellular signals produced by the niche, which dictate their ability to self-renew, expand and differentiate. (karger.com)
  • Normal erythropoiesis begins with multipotent hematopoietic stem cells, which differentiate into erythroid progenitors, eventually to develop into the mature red blood cells. (medscape.com)
  • HSPCs are multipotent cells that can self-renew and differentiate to give rise to all blood cell lineages. (go.jp)
  • C) We have identified that islet1 + endothelial progenitors originate from endoderm and finally differentiate into posterior venous ECs in a process dependent on Bmp-Smad signaling, requiring Npas4l-Etsrp function. (go.jp)
  • I find it remarkable that we all have pockets of cells in our brains that can grow and differentiate throughout our lives and even after death," said Fred Gage , a professor at The Salk Institute and senior author of the study, which appears in the current Nature. (salk.edu)
  • Importantly, the recovered cells had the ability to differentiate into different types of brain cells. (salk.edu)
  • In addition to isolating single cells in order to determine if true stem cells are present in adult brain tissue, Gage also plans to transplant recovered cells into animals to test if the cells can survive and differentiate in vivo. (salk.edu)
  • Such cells from different sources can proliferate and differentiate into different lineages (e.g. osteogenic, chondrogenic and adipogenic) after suitable stimulation. (scirp.org)
  • Mesenchymal stromal cells (MSCs) are cells of non-haematopoietic origin, with the capacity to differentiate into multiple lineages of the mesenchyme, that is, chondrocytes, osteoblasts and adipocytes. (bmj.com)
  • Mesenchymal stem cells (MSCs) are multipotent progenitor cells that have the capacity to differentiate into all lineages of mesodermal origin, e.g., cartilage, bone, and adipocytes. (ufrgs.br)
  • In this context, if it is possible to immortalize normal human SAE BC that retain the capacity to differentiate to ciliated, secretory, and other differentiated cell types in vitro on air-liquid interface (ALI) culture, it would be very useful to the investigation of SAE biology in health and disease, and the assessment of pharmacologic agents targeted to modify dysregulated BC biology relevant to the pathogenesis of human lung disease. (biomedcentral.com)
  • Stem cells (SCs) are undifferentiated cells with self-renewal ability and capacity to differentiate into specialized cell types. (bvsalud.org)
  • Due to the ability to self-renew and to differentiate into cells that are found throughout the body, there is a great interest in using stem cells for the regeneration of injured tissues as well as to develop tissue-engineered implants and bio-hybrid organs, in order to restore tissue function. (bvsalud.org)
  • As needed, the stem cells differentiate to become a particular kind of cell-a white blood cell, red blood cell, or platelet. (medscape.com)
  • T lymphocytes originate via lymphoid stem cells that migrate to the thymus and differentiate under the influence of the thymic hormones thymopoietin and thymosin. (medscape.com)
  • This population of small cells includes a CD45-negative fraction that lacks hematopoietic stem cell and lineage markers and resides in the renal interstitial space. (tau.ac.il)
  • DNMT3A is a critical regulator of hematopoietic stem cell (HSC) differentiation and somatic DNMT3A mutations are frequent in hematologic malignancies and clonal hematopoiesis. (haematologica.org)
  • Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm caused by an acquired 9;22-chromosomal translocation in a hematopoietic stem cell (HSC) resulting in the expression of the BCR-ABL1 fusion protein. (haematologica.org)
  • All recurrent mutations identified in mononuclear cells could be tracked back to the phenotypically defined hematopoietic stem cell (HSC) compartment in all investigated patients and were also present in downstream myeloid and erythroid progenitor cells. (nih.gov)
  • Essential thrombocythemia is a clonal hematopoietic stem cell disorder that causes increased platelet production. (msdmanuals.com)
  • Human endothelial progenitor cells (hEPCs) are adult stem cells, located in the bone marrow and peripheral blood. (intechopen.com)
  • These cells can be differentiated into mature endothelial cells, which are involved in processes of angiogenesis and vessel regeneration. (intechopen.com)
  • Different phenotypes and subtypes of endothelial progenitor cells (EPCs), such as early and late EPCs, have been described according to their functionality. (intechopen.com)
  • Thus, it has been shown that early EPCs release cytokines that promote tissue regeneration and neovasculogenesis, whereas late EPC and endothelial colony forming cells (ECFCs) contribute to the formation of blood vessels and stimulate tube formation. (intechopen.com)
  • Researchers identify the origin of endothelial cells that constitute the vascular niche for hematopoietic stem and progenitor cells in zebrafish. (go.jp)
  • Endothelial cells (ECs) line blood vessels and can serve as specialized vascular niches for hematopoietic stem and progenitor cells (HSPCs), a special environment where HSPCs reside and self-renew. (go.jp)
  • The team visualized endothelial differentiation step-by-step from the endoderm to the HSPC niche-constituting ECs via islet1+ endothelial progenitors by live imaging-based lineage tracing. (go.jp)
  • The present results clearly demonstrate that ECs originating from the endoderm via islet1 + endothelial progenitors play a specialized role in forming a functional vascular HSPC niche (Figure 1C). (go.jp)
  • The bone morrow contains several stem cell types including hematopoetic stem cells, endothelial progenitor cells, mesenchymal (stromal) stem cells and multipotent adult progenitor cells. (escardio.org)
  • In particular, we focus on the therapeutic potential of endothelial progenitor cells as an exciting new option for the treatment of ischaemic diseases. (biomedcentral.com)
  • Through fluorescence-activated cell sorting, microarray analysis, in vitro differentiation assays, mixed lymphocyte reaction, and a model of ischemic kidney injury, this study sought to identify and characterize multipotent organ stem/progenitor cells in the adult kidney. (tau.ac.il)
  • In vitro, they are plastic adherent and slowly proliferating and result in inhibition of alloreactive CD8 + T cells, indicative of an immuneprivileged behavior. (tau.ac.il)
  • Expansion of MSCs was shown to be limited to a few passages of in vitro culture and the cells underwent replicative senescence [ 11 ]. (hindawi.com)
  • Therefore, available in vitro protocols for expansion of MSCs do not yield true stem cells. (hindawi.com)
  • Application of various small molecules and recombinant proteins to mouse embryonic stem cells at specific time points in vitro has enabled recapitulation of developmental cues with subsequent formation of inner ear organoids. (springer.com)
  • Notch signals are required for in vitro but not in vivo maintenance of human hematopoietic stem cells and delay the appearance of multipotent progenitors. (sunnybrook.ca)
  • Human CD8 T cells generated in vitro from hematopoietic stem cells are functionally mature. (sunnybrook.ca)
  • In vitro cell culture and animal studies have demonstrated that mesenchymal stromal cells (MSCs) have the capacity to modify immune responses and to enhance tissue repair. (bmj.com)
  • In this review, we discuss the rationale for MSC-based cell therapy in COPD, the main findings from in vitro and in vivo preclinical COPD model studies, clinical trials in patients with COPD and directions for further research. (bmj.com)
  • The colony-forming unit (CFU) assay is a clonal, in vitro culture assay that measures the growth and frequency of functionally viable HSPCs by assessing the proliferation and differentiation of individual progenitor cells, resulting in the formation of discrete colonies in a semi-solid methylcellulose medium (such as MethoCult™ ) when supplemented with appropriate cytokines. (stemcell.com)
  • Other uses of the CFU assay include studying the effects of stimulatory and inhibitory growth factors, screening novel compounds to predict potential toxicity to the hematopoietic system, and testing the effects of various in vitro manipulations (e.g. cell processing, cryopreservation, gene transduction, and transmission) on cellular products used in hematopoietic cell transplantation. (stemcell.com)
  • We examined the effects of sustained exposure of hESC\derived mesenchymal\like progenitors to recombinant Wnt5a or BMP\2 in vitro. (woofahs.com)
  • HBCs thus possess a conserved adhesion receptor expression profile similar to non-neural stem cells, preferential self-replication in an in vitro environment mimicking their in vivo niche, and contain subpopulations of cells that can produce multiple differentiated neuronal and glial progeny from within and beyond the olfactory system in vitro. (syr.edu)
  • Assessment of stem cell function in vitro as well as in vivo established that only HSCs and not investigated progenitor populations could propagate the SF3B1 mutated clone. (nih.gov)
  • Inspired from developmental processes, human mesenchymal cell lines can be programmed to form cartilage, bone and bone marrow tissues in vitro and in vivo. (lu.se)
  • To deliver on that promise, our laboratory is collaborating with the laboratories of Markus Grompe, M.D., OHSU, and Gordon Keller, Ph.D., University Health Network, Toronto, Canada, in the development and characterization of monoclonal antibodies directed against cell surface molecules expressed by pancreatic cell subsets as well as pancreatic progenitor cells derived from pluripotent stem cells. (ohsu.edu)
  • However, transplanting other than hematopoietic stem and progenitor cells is still limited to a few applications, and it mainly applies to mesenchymal stromal cells (MSCs) isolated from bone marrow. (hindawi.com)
  • Recently, MSCs isolated from bone marrow (bmMSCs) were shown to be a blend of distinct cells and MSCs isolated from different tissues show besides some common features also some significant differences. (hindawi.com)
  • We therefore briefly discuss differences found in subsets of human bmMSCs and in MSCs isolated from some other sources and touch upon how this could be utilized for cell-based therapies. (hindawi.com)
  • The MSCs have been described for the first time as colony forming fibroblasts (CFU-F), a rare population of cells residing in the bone marrow of guinea-pigs or mice [ 1 , 2 ]. (hindawi.com)
  • Human bmMSCs were described in the late nineties as well [ 6 ] and at the same time a breakthrough study investigated the expression of typical cell surface markers and the proliferation and differentiation properties of human MSCs in more detail [ 7 ]. (hindawi.com)
  • Overview of studies published regarding MSCs using the term "stem cell" or "stromal cell" in the last 20 years accessed by a web search in July 2015 (Google Scholar). (hindawi.com)
  • It seems that the term "stem cell" became more popular although the "stemness" was only shown in a more strict sense for MSCs involved in osteogenesis and bone repair. (hindawi.com)
  • When the biological properties of MSCs were explored in more detail, questions arose whether these cells met the criterion of a true stem cell [ 8 ]. (hindawi.com)
  • Nowadays, experts agree that MSCs may generate upon appropriate stimulation quite different mature cells including osteoblasts, chondrocytes, tenocytes, adipocytes, smooth muscle cells, and stromal cells of the bone marrow [ 9 ]. (hindawi.com)
  • MSCs were also investigated for stem cell qualities in vivo. (hindawi.com)
  • Human orofacial bone-derived mesenchymal stem cells (OMSCs) showed distinct differentiation traits from mesenchymal stem cells (MSCs) derived from long bones, mouse OMSCs have not been isolated due to technical difficulties, which in turn precludes using mouse models to study orofacial diseases. (ca.gov)
  • 1 Unique MSC-specific markers have not yet been identified, and MSCs constitute a heterogeneous cell population, including both multipotent (stem) cells and progenitor cells and might even contain pluripotent cell fractions. (bmj.com)
  • 2 MSCs were first described in the bone marrow where they constitute a small fraction of cells (0.001%-0.01%) that closely interact with haematopoietic cells to support haematopoiesis and skeletal homeostasis. (bmj.com)
  • Following early observations that MSCs inhibit T-cell proliferation, 9 MSCs were found to interact with the majority of innate and adaptive immune cells. (bmj.com)
  • Introduction: The rationale of mesenchymal stem cells (MSCs) as a novel therapeutic approach in certain neurodegenerative diseases is based on their ability to promote neurogenesis. (ufrgs.br)
  • Mesenchymal stem cells (MSCs) are ASCs, and were first described in 1966 by Friedenstein et al. (bvsalud.org)
  • In this study, we present integrated quantitative proteome, transcriptome, and methylome analyses of hematopoietic stem cells (HSCs) and four multipotent progenitor (MPP) populations. (lu.se)
  • HSCs make up a very small population of the hematopoietic system, however, these cells are invaluable as they have the potential to give rise to all mature blood and immune cell types and sustain life-long blood production. (stemcell.com)
  • CD34 is the most commonly used cell surface marker to identify human HSPCs as it is expressed on HSCs, in addition to both multipotent and more differentiated progenitor cells of individual blood cell lineages. (stemcell.com)
  • We find that all MPPs are produced in parallel by hematopoietic stem cells (HSCs), but with different kinetics and at variable levels depending on hematopoietic demands. (nih.gov)
  • While in agreement with previous studies, little or no evidence for clonal ( SF3B1 mutation) involvement could be found in mature B cells, consistent involvement at the pro-B-cell progenitor stage was established, providing definitive evidence for SF3B1 mutations targeting lymphomyeloid HSCs and compatible with mutated SF3B1 negatively affecting lymphoid development. (nih.gov)
  • Classical markers for hematopoietic stem cells (HSCs), such as CD90 and CD49F, were largely preserved, whereas CD135 (FLT3) and CD123 (IL3R) had a ubiquitous expression pattern capturing heterogenous populations. (lu.se)
  • Areas of research focus are beta cell replacement therapies for the treatment of diabetes, the identification of lung progenitor cell populations involved in lung repair, and in the diagnosis of pancreatic cancer. (ohsu.edu)
  • and 3) facilitate the purification of cell culture expanded cell populations for cell-based therapies. (ohsu.edu)
  • Single cells in these populations exhibit different com- stem cell differentiation, Shannon information binations of regulator activity that suggest the presence of multiple theory, entropy configurations of a potential differentiation network as a result of multiple entry points into the committed state. (lu.se)
  • Cambuli FM, Rezza A, Nadjar J, Plateroti M (2013) Musashi1-eGFP mice, a new tool for differential isolation of the intestinal stem cell populations. (unica.it)
  • Cell-based therapy using systemic infusion of GMSC in experimental colitis significantly ameliorated both clinical and histopathological severity of the colonic inflammation, restored the injured gastrointestinal mucosal tissues, reversed diarrhea and weight loss, and suppressed the overall disease activity in mice. (ca.gov)
  • hEPCs have been used for cell-based therapies due to their capacity to contribute in the re-endothelialization of injured blood vessels and neovascularization in ischemic tissues. (intechopen.com)
  • The cells derived from these tissues constitute a model system for studying the brain cell biology of these disorders, according to Gage. (salk.edu)
  • Mesenchymal stem/progenitor cells (MSC/MPC) are found in many tissues and fluids including bone marrow, adipose tissues, muscle, synovial membranes, synovial fluid, and blood. (scirp.org)
  • Li, L. and Jiang, J. (2011) Regulatory Factors of Mesenchymal Stem Cell Migration into Injured Tissues and Their Signal Transduction Mechanisms. (scirp.org)
  • Stem cell therapies hold immense promise in addressing these ailments by regenerating damaged tissues and organs. (imarcgroup.com)
  • During development, stem cells and resulting progenitor cells are responsible for generating all the tissues and cells of an organism. (wisc.edu)
  • In vascular medicine, various stem cells and adult progenitors have been highlighted as having a vasoreparative role in ischaemic tissues. (biomedcentral.com)
  • The evaluation of the most suitable timing of cell delivery as well as the number of cells needed to integrate into resident vasculature and promote revascularisation of specific tissues requires careful optimisation and evaluation. (biomedcentral.com)
  • In human postnatal dental tissues, five main sources of DSCs have been identified: dental pulp stem cells (DPSCs), 11 stem cells from human exfoliated deciduous teeth (SHEDs), 12 periodontal ligament stem cells (PDLSCs), 13 dental follicle stem cells (DFSCs) 14 and stem cells from apical papilla (SCAPs). (bvsalud.org)
  • When the oxygen content of body tissues is low, if there is loss of blood or anemia, or if the number of red blood cells decreases, the kidneys produce and release erythropoietin, a hormone that stimulates the bone marrow to produce more red blood cells. (medscape.com)
  • Finally, when injected directly into the renal parenchyma, shortly after ischemic/reperfusion injury, renal Sca-1 + Lin - cells, derived from ROSA26 reporter mice, adopt a tubular phenotype and potentially could contribute to kidney repair. (tau.ac.il)
  • Ando, W., Heard, B., Nakamura, N., Frank, C.B. and Hart, D.A. (2012) Ovine Synovial Membrane-Derived Mescenchymal Progenitor Cells Retain the Phenotype of the Original Tissue That Was Exposed to in Vivo Inflammation: Evidence for a Suppressed Chondrogenic Differentiation Potential of the Cells. (scirp.org)
  • The correct cell must be chosen for its phenotype, cell characteristics and biological functions. (biomedcentral.com)
  • Death or differentiation of an OPC is rapidly followed by migration or local proliferation of a neighboring cell to replace it. (wikipedia.org)
  • Altogether our FACS (fluorescence-activated cell sorter) analyses reveal that the neonatal subventricular zone is far more heterogeneous than previously suspected and our studies provide new insights into the signals and mechanisms that regulate their self-renewal and proliferation. (karger.com)
  • MicroRNA miR-199a-3p regulates cell proliferation and survival by targeting caveolin-2. (sunnybrook.ca)
  • Cell proliferation involves the replication of all cellular contents with the required energy for this to happen. (hindawi.com)
  • To prevent aberrant cell proliferation, these pathways are tightly regulated. (hindawi.com)
  • This activation is necessary for both cell proliferation as well as glucose uptake and use. (hindawi.com)
  • Several signaling pathways are involved in the control of the perpetual cell proliferation and differentiation of the stem and progenitor cells. (unica.it)
  • In particular, data have shown that TRα1 controls the epithelial progenitor proliferation via the regulation of key genes of the Wnt, BMP and Notch pathways, all involved in progenitor/stem cell physiopathology. (unica.it)
  • Developmentally regulated EZH2 levels are one of the factors that can determine the higher order chromatin structure and expression pattern of the INK4b-ARF-INK4a locus, coupling human progenitor cell differentiation to proliferation control. (biomedcentral.com)
  • Development and homeostasis require the coordinate regulation of cell proliferation and differentiation. (biomedcentral.com)
  • As a stem cell and developmental molecular biologist, Dr. Fame is dedicated to broad collaboration focused on translating an understanding of neural development and CSF biology into regenerative strategies for the treatment of neurodevelopmental disease. (stanford.edu)
  • Based on presentations by world-renowned investigators at the 73rd annual Cold Spring Harbor Symposium on Quantitative Biology, this volume reviews the latest advances in research on the control and regulation of stem cells. (cshlpress.com)
  • However, the signaling pathways directly involved in the biology of the physiological and cancer stem cells, i.e. self-renewal and multi-potency, have not been identified yet. (unica.it)
  • Sirakov M, Skah M, Nadjar J, Plateroti M (2013) Thyroid hormone's action on progenitor/stem cell biology: new challenge for a classic hormone? (unica.it)
  • Measurements of cell mixtures can hide differences between cells that might be important in biology or disease studies. (acs.org)
  • Researchers are putting single-cell proteomics to work in fields like developmental biology, cell biology, cancer biology, and neuroscience. (acs.org)
  • 2 Haematopoietic Stem Cell Biology Laboratory, MRC Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom. (nih.gov)
  • To facilitate the study of the biology of the human SAE in health and disease, we immortalized and characterized a normal human SAE basal cell line. (biomedcentral.com)
  • The immortalized hSABCi-NS1.1 cell line has diverse differentiation capacities and retains SAE features, which will be useful for understanding the biology of SAE, the pathogenesis of SAE-related diseases, and testing new pharmacologic agents. (biomedcentral.com)
  • Cells recovered from healthy individuals could provide a model for understanding how to stimulate and guide the normal processes of brain cell growth and differentiation," he said, "lending insight to how growth might be stimulated in people suffering from neurodegenerative diseases such as Alzheimer's or Parkinson's. (salk.edu)
  • Testing in whole animals is the only way to know if adult tissue can be a source of stem or progenitor cells for transplant purposes to treat neurodegenerative disease," said Gage. (salk.edu)
  • This driver is fueled by the promising prospects of stem cell therapies in addressing previously untreatable conditions, such as neurodegenerative diseases and spinal cord injuries. (imarcgroup.com)
  • Is Adipocyte Differentiation the Default Lineage for Mesenchymal Stem/Progenitor Cells after Loss of Mechanical Loading? (scirp.org)
  • Hart, D. (2014) Is Adipocyte Differentiation the Default Lineage for Mesenchymal Stem/Progenitor Cells after Loss of Mechanical Loading? (scirp.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)
  • Enforcement of γδ-lineage commitment by the pre-T-cell receptor in precursors with weak γδ-TCR signals. (sunnybrook.ca)
  • Also making up a part of the hematopoietic system are short-term repopulating progenitor cells, which give rise to lineage-specific cell types. (stemcell.com)
  • Cell markers, or surface antigens, are molecules located on a cell's membrane used to identify specific cell types, their lineage, and their stage in the differentiation process according to the presence or absence of the expression of defined markers. (stemcell.com)
  • Despite great advances in understanding the mechanisms underlying blood production, lineage specification at the level of multipotent progenitors (MPPs) remains poorly understood. (nih.gov)
  • whether cells exiting the ESC condition led by autocrine cues commit preferentially to a neural fate or show competence for multi-lineage differentiation. (woofahs.com)
  • In this issue, Jiang and colleagues employ multiple lineage-tracing approaches to elaborate on the role of Tff2+ transit-amplifying progenitor cells in the pancreatic acinar compartment of mice. (bvsalud.org)
  • Rationale: Pancreatic lineage specification follows the formation of tripotent pancreatic progenitors (PPs). (bvsalud.org)
  • Tissue engineering and cell therapy approaches aim to take advantage of the repopulating ability and plasticity of multipotent stem cells to regenerate lost or diseased tissue. (tau.ac.il)
  • Recently, stage-specific embryonic kidney progenitor tissue was used to regenerate nephrons. (tau.ac.il)
  • We isolated a new population of stem cells from human orofacial tissue gingiva, a tissue source easily accessible from the oral cavity, namely GMSC, which exhibited clonogenicity, self-renewal, and multipotent differentiation capacities. (ca.gov)
  • Our limited understanding of the complex cellular composition, anatomy, and function of this tissue has slowed the establishment of effective tissue regenerative (repair) and/or cell replacement (transplantation) therapies. (ohsu.edu)
  • By examining the process of stem cells turning into cells in bones, heart muscle, nerves, and other organs and tissue, researchers can better understand how diseases and conditions develop. (globenewswire.com)
  • Stem cells have the potential to be grown to become new tissue for use in transplant and regenerative medicine. (globenewswire.com)
  • New areas of study include the effectiveness of using human stem cells that have been programmed into tissue-specific cells to test new drugs. (globenewswire.com)
  • Cell and tissue banking applications will account for the leading share of the market by 2020. (globenewswire.com)
  • They also serve as specialized vascular niches that provide instructive signals to tissue-specific stem cells or parenchymal cells for tissue formation and repair. (go.jp)
  • Interestingly, contradictory data exist for transformation of bone marrow derived progenitor cells (BMPC) into new cardiomyocytes and alternative mechanisms as enhanced neovascularization, enhanced scar tissue formation due to augmented inflammatory response and decreased apoptosis have been suggested for the benefical effects of these cells on myocardial function after myocardial infarction (4). (escardio.org)
  • Repair of scar tissue constitutes a challenge for cardiac stem cell therapy due to lack of adequate nutrition and homing signals necessary for stem cells' engraftment and survival. (escardio.org)
  • Their findings indicate that postmortem tissue may be a potential source of multipotent stem cells, with a variety of uses and applications. (salk.edu)
  • Previous attempts to recover progenitor cells from adult tissue had failed, but the Gage laboratory applied growth factors to extracted tissue that appear to have made a crucial difference. (salk.edu)
  • Tissue from older individuals yielded fewer proliferating cells. (salk.edu)
  • This study employed a pool of cells from extracted tissue," said Gage. (salk.edu)
  • An adult source of stem cells would circumvent the need to derive such cells from fetal tissue, currently an issue of ethical debate. (salk.edu)
  • 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)
  • Typically, rapidly proliferating tumor cells have glycolytic rates up to 200 times higher than those of their normal tissue of origin, even in the presence of oxygen [ 3 ]. (hindawi.com)
  • CD34 is a transmembrane phosphoglycoprotein that was first identified on HSPCs, but its expression is also present on other cell types, such as vascular tissue. (stemcell.com)
  • If the underlying ischaemia is not sufficiently resolved it can lead to tissue damage, with subsequent cell death. (biomedcentral.com)
  • This review will examine the clinical potential of several stem and progenitor cells that may be utilised to regenerate defunct or damaged vasculature and restore blood flow to the ischaemic tissue. (biomedcentral.com)
  • This leads to hypoxia and tissue damage as a consequence of the build up of waste metabolites and may result in cell death [ 1 ]. (biomedcentral.com)
  • Cells for vascular therapy must be able to home to ischaemic or damaged tissue and engage in vessel formation alone or in unison with resident vasculature to achieve a controlled and functional reperfusion event, without causing pathological angiogenesis (for example, proliferative retinopathy in the vitreous of the eye). (biomedcentral.com)
  • A cell therapy approach should be aimed at promoting revascularisation of ischaemic tissue. (biomedcentral.com)
  • There is a therapeutic window in which to deliver the cells, to avoid extensive tissue damage, fibrosis and necrosis. (biomedcentral.com)
  • The use of ASCs in regenerative medicine and tissue engineering research has important advantages in comparison with ESCs, since there are no ethical complications and the process of differentiation of these cells is better controlled. (bvsalud.org)
  • In explant method, the dental tissue is placed on a plastic surface and the cells migrate out from the tissue fragment adhering to culture flasks or dishes ( Figure 1 ). (bvsalud.org)
  • Bone marrow consists of stem cells, which are large, "primitive," undifferentiated cells supported by fibrous tissue called stroma. (medscape.com)
  • There are 2 main types of stem cells and, therefore, the bone marrow consists of 2 types of cellular tissue. (medscape.com)
  • In addition, these cells are enriched for β1-integrin, are cytokeratin negative, and show minimal expression of surface markers that typically are found on bone marrow-derived mesenchymal stem cells. (tau.ac.il)
  • These include bone marrow-derived cells, peripheral blood derived stem cells and skeletal myoblasts (3). (escardio.org)
  • Borlongan, C.V., Glover, L.E., Tajiri, N., Kaneko, Y. and Freeman, T.B. (2011) The Great Migration of Bone Marrow-Derived Stem Cells towards the Ischemic Brain: Therapeutic Implications for Stroke and Other Neurological Disorders. (scirp.org)
  • After the committed progenitor cells exit the germinal zones, they migrate and proliferate locally to eventually occupy the entire CNS parenchyma. (wikipedia.org)
  • The peculiarity of the gastrointestinal epithelium is the presence of a proliferative compartment, where are located multipotent stem cells and progenitors which proliferate and are engaged in differentiation toward multiple lineages. (unica.it)
  • Hart, D.A. (2014) Why Mesenchymal Stem Cell/Progenitor Cell Heterogeneity in Specific Environments? (scirp.org)
  • Such heterogeneity could originate from extrinsic factors, such as cell-to-cell signalling and surrounding temperature and pressure, but also from the intrinsic noise generated by having few copies of molecules involved in transcription and translation. (lu.se)
  • This work provides insights into the steady-state homeostasis and tumor-suppressive features of certain progenitor cells and presents findings on acinar cell heterogeneity. (bvsalud.org)
  • Blood formation occurs in waves that overlap in time and space, adding to heterogeneity, which necessitates single-cell approaches. (lu.se)
  • Some OPCs are also generated from multipotent progenitors in the subventricular zone (SVZ). (wikipedia.org)
  • They display differentiation capacities and therefore qualify as multipotent progenitor cells (Figure 1 ). (hindawi.com)
  • The most highly mitotic colony-forming HBCs demonstrate multipotency, spontaneously generating more ICAM-positive presumptive HBCs, a combination of olfactory neuroglial progenitors, and neurons of olfactory and potentially nonolfactory phenotypes. (syr.edu)
  • Christophorou N, Mende M, Lleras-Forero L, Grocott T, Streit A (2010) Pax2 coordinates epithelial morphogenesis and cell fate in the inner ear. (springer.com)
  • Within the neural stem cell niche of the mouse olfactory epithelium, we identified a combination of extracellular matrix (ECM) receptors that regulate adhesion and mitosis in non-neural stem cells [intercellular adhesion molecule-1 (ICAM-1), β 1 , β 4 , and α-1, -3, and -6 integrins] and on horizontal basal cells (HBCs), candidate olfactory neuro-epithelial progenitors. (syr.edu)
  • Compared to the large airway cell line BCi-NS1.1, differentiated of hSABCi-NS1.1 cells on ALI were enriched with small airway epithelial genes, including surfactant protein genes, LTF and small airway development relevant transcription factors NKX2-1, GATA6, SOX9, HOPX, ID2 and ETV5. (biomedcentral.com)
  • NOD-SCID-Gamma (NSG) mice) and measuring the presence of human blood cells in the blood or bone marrow (BM) after extended periods of engraftment, e.g., 20 weeks or longer. (stemcell.com)
  • Mechanistically, we identified dysregulated erythropoiesis with reduced numbers of reticulocytes, the preferred host cells of P. yoelii , in Ac-deficient mice. (elifesciences.org)
  • In 2008, Trainor's group reported in Nature Medicine that blocking a gene that promotes cell death, called p53 , allowed nascent neural crest cells in Tcof1 -mutant mice to survive, preventing manifestation of the animals' craniofacial defects. (stowers.org)
  • The stage-specific embryonic antigen 4 (SSEA4) is com- isolate the NSCs from neonatal mice and rats (Campos monly used as a cell surface marker to identify the pluri- et al. (lu.se)
  • M, Peterson C. 2018 Haematopoietic stem suggests that during differentiation a stem cell approaches a stable equili- cells: entropic landscapes of differentiation. (lu.se)
  • We found that INK4b and INK4a , but not ARF , are upregulated following the differentiation of haematopoietic progenitor cells, in ageing fibroblasts and in senescing malignant rhabdoid tumour cells. (biomedcentral.com)
  • In collaboration with investigators in Taiwan, we implanted one type of autologous OMSCs (periodontal ligament progenitors, PDLPs) to treat an orofacial infectious bone defect disease periodontitis. (ca.gov)
  • Results: there are five main sources of stem cells of dental origin: stem cells from dental pulp of permanent teeth and deciduous teeth, apical papilla, periodontal ligament and dental follicle. (bvsalud.org)
  • Early neural progenitors respond to extrinsic cues that maintain and support their potency. (stanford.edu)
  • Ding Q, Regan S, Xia Y, Oostrom L, Cowan C, Musunuru K (2013) Enhanced efficiency of human pluripotent stem cell genome editing through replacing TALENs with CRISPRs. (springer.com)
  • There are two types of stem cell manufacturing: embryonic stem cell production, derived from early-stage embryos, and induced pluripotent stem cell (iPSC) production, which reprograms adult cells to an embryonic-like state. (imarcgroup.com)
  • OPCs first originate from Nkx2.1-expressing cells in the ventricular zone of the medial ganglionic eminence. (wikipedia.org)
  • As development progresses, second and third waves of OPCs originate from Gsh2-expressing cells in the lateral and caudal ganglionic eminences and generate the majority of adult oligodendrocytes. (wikipedia.org)
  • These islet1 -expressing cells surprisingly originate not from the mesoderm, the germ layer classically defined to give rise to ECs, but from the endoderm. (go.jp)
  • Rising stem cell research and increasing demand for stem cell therapies are driving the growth of this segment. (globenewswire.com)
  • In this Research Topic, we summarized original research and review articles that examine the more recent progress in pharmacological and cell therapies for perinatal HI brain injury. (frontiersin.org)
  • These therapies should target the cellular mechanisms that underly HI brain injury, including early phase propagators of injury such as neuro-inflammation, cell death, mitochondrial dysfunction, oxidative stress, and excitotoxicity, and they should be safe for use in both term and preterm infants. (frontiersin.org)
  • Increasing investments in stem cell research, rising chronic disease prevalence, advancements in biotechnology, collaborations between academia and industry, stringent regulations, and expanding awareness of stem cell therapies are stimulating the market growth. (imarcgroup.com)
  • Apart from this, the increasing awareness and acceptance of stem cell-based therapies among patients and healthcare professionals is augmenting the market growth. (imarcgroup.com)
  • Conclusion: stem cells from dental origin are an interesting alternative for research and application in regenerative therapies in Dentistry. (bvsalud.org)
  • Additional markers can be used to distinguish HSPC subsets within the CD34+ population and isolate HSPCs with different engraftment abilities and capacities to expand or generate mature blood cells in culture. (stemcell.com)
  • One recently developed reagent recognizes a molecule associated with human pancreatic cancer cells as well as precancerous lesions of the pancreas. (ohsu.edu)
  • Our research focuses on characterising the stem and progenitor cells that build the hypothalamus and characterising the molecular networks that direct hypothalamic morphogenesis, growth and differentiation. (sheffield.ac.uk)
  • Fu T, Towers M & Placzek M (2017) Fgf10(+) progenitors give rise to the chick hypothalamus by rostral and caudal growth and differentiation. . (sheffield.ac.uk)
  • Our findings provide evidence of a multipotent lymphomyeloid HSC origin of SF3B1 mutations in MDS-RS patients and provide a novel in vivo platform for mechanistically and therapeutically exploring SF3B1 mutated MDS-RS. (nih.gov)
  • Direct molecular comparison with an adult bone marrow data set revealed that the HSC state was less frequent in FL, whereas cells with a lymphomyeloid signature were more abundant. (lu.se)
  • The inner ear contains sensory epithelia composed of mechanosensitive hair cells, supporting cells, and sensory neurons that work in concert to detect sound and positional information and transmit those signals to the brain. (springer.com)
  • These organoids contain functional mechanosensitive hair cells, supporting cells, and sensory neurons, which phenocopy functional components of the inner ear responsible for detection of positional information. (springer.com)
  • In this study, single-cell RNA-sequencing analyses show that islet1 + -derived ECs express a set of genes that reflects their unique origin even as they become heterogeneous. (go.jp)
  • The activities of transcription factors and other genes involved in cell fate decisions can be measured by a number of different gene expression quantification experiments. (lu.se)
  • Scientists have long had the tools to identify the genes being transcribed in a single cell. (acs.org)
  • Screening for recurrently mutated genes in the mononuclear cell fraction revealed mutations in SF3B1 in 39 of 40 cases (97.5%), combined with TET2 and DNMT3A in 11 (28%) and 6 (15%) patients, respectively. (nih.gov)
  • Mesenchymal stromal cells: a novel therapy for the treatment of chronic obstructive pulmonary disease? (bmj.com)
  • Furthermore, we show expression of MSTN by CML mesenchymal stromal cells, and that myostatin propeptide has a direct and instant effect on CML cells, independent of myostatin, by demonstrating binding of myostatin propeptide to the cell surface and increased phosphorylation of STAT5 and SMAD2/3. (haematologica.org)
  • Oligodendrocyte progenitor cells (OPCs), also known as oligodendrocyte precursor cells, NG2-glia, O2A cells, or polydendrocytes, are a subtype of glia in the central nervous system named for their essential role as precursors to oligodendrocytes. (wikipedia.org)
  • Mesenchymal stem/stromal cells (MSC) are the ideal source to study fat formation as they are the progenitors of adipocytes. (mdpi.com)
  • Endocrine functions of white adipocytes, and other WAT-resident cells in the stromal vascular fraction, are performed by the release of a variety of adipokines (adipose-associated cytokines) which affect the functioning of the brain, liver, pancreas and immune system 9 . (nature.com)
  • This process initially occurs in fetal liver cells and subsequently takes place in the bone marrow of children and adults. (medscape.com)
  • Using CITE-seq (cellular indexing of transcriptomes and epitopes by sequencing), the molecular profile of established immunophenotype-gated progenitors was analyzed in the fetal liver (FL). (lu.se)
  • This study demonstrated clinical and experimental evidences supporting a potential efficacy and safety of utilizing autologous PDL cells in the treatment of human periodontitis. (ca.gov)
  • The molecular study of fat cell development in the human body is essential for our understanding of obesity and related diseases. (mdpi.com)
  • Chambers S, Fasano C, Papapetrou E (2009) Highly efficient neural conversion of human ES and iPS cells by dual inhibition of SMAD signaling. (springer.com)
  • Chen W, Jongkamonwiwat N, Abbas L et al (2012) Restoration of auditory evodked responses by human ES-cell-derived otic progenitors. (springer.com)
  • La Jolla, CA - Salk Institute scientists have isolated cells from the brains of human cadavers that can grow, divide and form specialized classes of brain cells. (salk.edu)
  • The study was done in collaboration with Phillip Schwartz and Stuart Stein at Children's Hospital of Orange County, Calif. The study, titled "Progenitor cells grown from postmortem human brain," was supported by the National Institutes of Health, the National Institute of Aging, the Lookout Fund and the Christopher Reeves Paralysis Foundation. (salk.edu)
  • Gimble, J.M., Bunnell, B.A. and Guilak, F. (2012) Human Adipose-Derived Cells: An Update on the Transition to Clinical Translation. (scirp.org)
  • TGF-β affects development and differentiation of human natural killer cell subsets. (sunnybrook.ca)
  • Stem cell manufacturing is a highly sophisticated and rapidly evolving field dedicated to the controlled production of stem cells, which possess the unique ability to develop into umpteen specialized cell types within the human body. (imarcgroup.com)
  • Human cervix cells under magnification. (acs.org)
  • Using neural stem cells as model systems, we are investigating the molecular mechanisms that regulate neuronal development during postnatal period and their implications in human neurodevelopmental disorders such as Rett Syndrome, Autism, and Fragile X syndrome. (wisc.edu)
  • Out of the 313 unique human cytokines evaluated, 11 were found to expand cell numbers ≥2-fold in a 7-day culture. (haematologica.org)
  • In this study, we investigated how higher-order chromatin structure modulates differential expression of the human INK4b-ARF-INK4a locus during progenitor cell differentiation, cellular ageing and senescence of cancer cells. (biomedcentral.com)
  • 2005). Notch1 and syndecan-1 potent human embryonic stem (ES) cells. (lu.se)
  • CD133+), but are rarely codetected with the neural stem dents, very few human-specific NSC markers have been cell (NSC) marker CD15. (lu.se)
  • In normal cells, glucose participates in cellular energy production through glycolysis as well as through its complete catabolism via the tricarboxylic acid (TCA) cycle and oxidative phosphorylation (OXPHOS). (hindawi.com)
  • It is strongly recommended that when using a reagent for the first time, users compare the spillover on cells and CompBead to ensure that BD Comp beads are appropriate for your specific cellular application. (bdbiosciences.com)
  • 3,4 The zygote and cells derived from the first two cellular divisions constitute the most primitive cells (totipotent cells) that are capable of forming the embryo and the embryonic annexes (e.g. placenta, amniotic membranes etc). (bvsalud.org)
  • fication and isolation via fluorescence-activated cell sort- ing (FACS). (lu.se)
  • This project focuses on the compelling need to generate cell-surface marker specific reagents useful for identification, study, and isolation of pulmonary stem/progenitor cells. (ohsu.edu)
  • Versican G3 promotes mouse mammary tumor cell growth, migration, and metastasis by influencing EGF receptor signaling. (sunnybrook.ca)
  • It is essential to have sensitive and reproducible methods of either quantifying or isolating these stem cells and progenitors to understand their intrinsic properties and how extrinsic signals regulate their development. (karger.com)
  • GMSC can function as an immunomodulatory and anti-inflammatory component of the immune system in vivo and is a promising cell source for cell-based treatment in experimental inflammatory diseases. (ca.gov)
  • Our study suggests that both OMSCs and host cells contribute to bone formation in vivo. (ca.gov)
  • Her research program encompasses the early neural stem cell niche, neural tube closure, cerebrospinal fluid (CSF), metabolism, and cortical neuronal development. (stanford.edu)
  • Our research program encompasses the early neural stem cell niche, neural tube closure, CSF, metabolism, and cortical neuronal development. (stanford.edu)
  • This is a tool to help students find the right project for their Bachelor's and Master's thesis at Lund Stem Cell Center. (lu.se)
  • Before using investigational drugs in people, researchers use some types of stem cells to test the drugs for safety and quality. (globenewswire.com)
  • Objective: the aim of this study was to conduct a literature review of the types of stem cells of dental origin and their applications in Dentistry. (bvsalud.org)
  • Depending on their origin in the SVZ, these progenitors give rise to either OPCs or astrocytes. (wikipedia.org)
  • We haven't yet isolated individual cells from that pool and followed them to see if a single cell can give rise to multiple classes of brain cells," said Gage. (salk.edu)
  • These stem cells divide to eventually give rise to red blood cells, platelets, and most white blood cells in the red marrow. (medscape.com)
  • The group then analyzed mouse embryos using molecular markers and discovered that precursors of neural crest cells in the brain and spinal cord began dying even before crest cells destined to help build the face could start migrating. (stowers.org)
  • 2000). In *Correspondence to: Perrine Barraud, Department of Veterinary Medi- contrast, several cell surface markers have been used to cine, Neurosciences, Madingley Road, Cambridge CB3 OES, United enrich for NSCs in the rodent CNS. (lu.se)
  • To identify regulators of primitive chronic myeloid leukemia (CML) cells, we performed a high-content cytokine screen using primary CD34 + CD38 low chronic phase CML cells. (haematologica.org)
  • Focusing on novel positive regulators of primitive CML cells, the myostatin antagonist myostatin propeptide gave the largest increase in cell expansion and was chosen for further studies. (haematologica.org)
  • Herein, we demonstrate that myostatin propeptide expands primitive CML and normal BM cells, as shown by increased colony-forming capacity. (haematologica.org)
  • In summary, we identify myostatin propeptide as a novel positive regulator of primitive CML cells and corresponding normal hematopoietic cells. (haematologica.org)
  • 2 1 There is growing evidence to suggest that primitive CML cells affect the bone marrow (BM) niche, contributing to deregulated cytokine levels. (haematologica.org)
  • Here, a combined single-cell immunophenotypic and transcriptional map of first trimester primitive blood development is presented. (lu.se)
  • Ependymoblastoma, an aggressive embryonal tumor containing multilayered (ependymoblastic) rosettes in addition to primitive small round blue cells, is now considered a form of primitive neuroectodermal tumor of the central nervous system (CNS) and is discussed elsewhere in that context. (medscape.com)
  • Red cell development, or erythropoiesis, is a carefully ordered sequence of events. (medscape.com)
  • During erythropoiesis, the cells start to produce hemoglobin, lose nuclei and organelles, and induce plasma membrane remodeling. (elifesciences.org)