• The shortage of donors and the potential of universal HLA-null platelet products have stimulated research on the ex vivo differentiation of human pluripotent stem cells (hPSCs) to platelets. (hokudai.ac.jp)
  • Cellular differentiation of this stem cell type occurs when hormonal precursors are added to the medium. (sigmaaldrich.com)
  • Receptor tyrosine kinases (RTKs) play fundamental tasks in varied cell functions including proliferation differentiation survival migration and rate of metabolism (16). (exposed-skin-care.net)
  • The present invention relates to methods of inducing differentiation of stem cells. (justia.com)
  • In particular, the invention relates to methods of inducing differentiation of embryonic stem cells into muscle cells or vascular endothelial cells. (justia.com)
  • The process of differentiation in stem cells involves selective development of immature cells to committed and fully mature cells of various lineages. (justia.com)
  • Differentiation of stem cells is known be triggered by various growth factors and regulatory molecules. (justia.com)
  • During differentiation the expression of stem cell specific genes and markers are often lost and cells acquire gene expression profiles of somatic cells or their precursors. (justia.com)
  • Whilst differentiation of some lineage specific stem cells can be induced with a degree of certainty, a differentiation outcome of a population of pluripotent stem cells is less predictable. (justia.com)
  • Placing the cells under conditions which induce specific cell types has been one form of an attempt to regulate the differentiation outcome. (justia.com)
  • These conditions include growing the cells to high or low density, changing media, introducing or removing cytokines, hormones and growth factors, creating an environment which suits differentiation toward a specific cell type, such as providing a suitable substrate. (justia.com)
  • Methods of inducing differentiation in stem cells and muscle cells produced therefrom may be used for the study of cellular and molecular biology of tissue development, for the discovery of genes and proteins such as differentiation factors that play a role in tissue development and regeneration. (justia.com)
  • The induction of cardiomyocyte differentiation in stem cells is especially useful in developing therapeutic methods and products for heart disease and abnormal heart conditions. (justia.com)
  • However, the molecular pathways that lead to specification and terminal differentiation of specific cell types, such as myocytes, from embryonic stem cells during development are not entirely clear. (justia.com)
  • Therefore there remains a need for providing effective methods of inducing differentiation of stem cells into specific cell types, such as myocytes or endothelial cells. (justia.com)
  • culturing a stem cell in the presence of an embryonic cell and/or extracellular medium of an embryonic cell, under conditions that induce differentiation of the stem cell. (justia.com)
  • We carried out mosaic analysis to elucidate the functions of dMyc in the germline and somatic cells of the ovary during oogenesis, a process that involves cell proliferation, differentiation and growth. (biologists.com)
  • These data demonstrate that African green monkey-like natural killer cell differentiation profiles can be rescued in rhesus macaques to promote viral clearance in tissues. (nature.com)
  • define NK cell differentiation states based on their education via NKG2a and expression of CD16 (FcγRIII), an activating Fc receptor that mediates antibody-dependent cell-mediated cytotoxicity (ADCC) 8 , and demonstrate that nonpathogenic SIVagm infection in African green monkeys (AGMs) imprints the maturation of NK cells inducing terminally differentiated NKG2a low CD16 + NK cells, which express high levels of interleukin (IL)−21R. (nature.com)
  • In vitro cultivated stem cell populations are in general heterogeneous with respect to their expression of differentiation markers. (biomedcentral.com)
  • Here, we study MSC plasticity on the level of individual cells applying a multi-scale computer model that is based on the concept of noise-driven stem cell differentiation. (biomedcentral.com)
  • The generation and maintenance of replenishing tissues relies on an appropriately regulated balance between self-renewal and differentiation within a relatively small population of adult stem cells. (biomedcentral.com)
  • According to this concept, MSC plasticity bases on permanent fluctuations of the differentiation state of each individual cell, which enables more differentiated cells to re-gain stem cell properties and subsequently to switch lineage (details see below). (biomedcentral.com)
  • This kind of plasticity has been suggested to be a fundamental feature of mesenchymal stem cells (MSCs) as well. (biomedcentral.com)
  • Mesenchymal stem cells (MSCs) are multi-potent cells that persist in adult life in some tissue types, such as bone-marrow stroma, fat, skeletal muscle, and synovium without loosing their capacity to proliferate and differentiate [ 9 , 10 ]. (biomedcentral.com)
  • To assess the role of an individual HDAC isoenzyme in physiology and tumor development, HDAC2-mutant mice were generated from a gene trap embryonic stem cell clone. (aacrjournals.org)
  • Mutant embryonic fibroblasts fail to respond to insulin-like growth factor I (IGF) by the IGF-I-induced increase in cell number observed in wild-type cells. (aacrjournals.org)
  • SSCs can be isolated from the testis and cultured in vitro for longterm periods in the presence of feeder cells (often mouse embryonic fibroblasts). (molcells.org)
  • When primary SSCs are derived from the testis and proliferated in vitro , mouse embryonic fibroblasts (MEFs) are the most commonly used feeder cells that play a role of such microniche by allowing secure attachment and proliferation of SSCs. (molcells.org)
  • Embryonic stem (ES) cells are derived from the embryo and are pluripotent, thus possessing the capability of developing into any organ, cell type or tissue type. (justia.com)
  • Although hypoxic or ischemia tolerance in AGS involves physiological adaptations, little is known about the critical cellular mechanisms underlying intrinsic AGS cell resilience to metabolic stress. (elifesciences.org)
  • This protein is found in a cellular compartment called the mitochondria, which is responsible for supplying energy to the rest of the cell and therefore plays an important role in metabolic processes. (elifesciences.org)
  • The term "oncotarget" encompasses all molecules, pathways, cellular functions, cell types, and even tissues that can be viewed as targets relevant to cancer as well as other diseases. (oncotarget.com)
  • ABSTRACT This study examined haematopoietic stem cells of 19 high-risk cases of myelodysplastic syndrome (MDS) for apoptotic and anti-apoptotic signals and cellular proliferation and correlated these with clinical and cytogenetic subtypes, particularly trisomy 8. (who.int)
  • Soluble Axl (sAxl) is present in cell-conditioned medium of CUDC-305 (DEBIO-0932 ) tumor cells growing in vivo and in vitro and in the sera of humans mice and rats (23 50 However the identities of the sAxl-generating protease(s) and the mechanism(s) that account for this process remain unknown. (exposed-skin-care.net)
  • The resulting VEGF165-deficient tumor cells had normal growth rates in vitro, but had delayed growth when implanted into mice. (conicet.gov.ar)
  • Although several in vitro SSC culture systems without feeder cells have been previously described, our Matrigel-based feeder-free culture system is time- and cost- effective, and preserves self-renewability of SSCs. (molcells.org)
  • Established SSCs are useful stem cell lines that allow not only to study basic reproductive biology but also to develop an in vitro model for applications in assisted reproductive medicine. (molcells.org)
  • The induction of a specific differentiated cell type can be useful for transplantation or drug screening and drug discovery in vitro. (justia.com)
  • Individual cell-based models are well-suited to provide quantitative predictions on essential features of the spatio-temporal organisation of MSC in vitro . (biomedcentral.com)
  • They may contribute to a better understanding of MSC organisation in vitro , including features of clonal expansion, environmental adaptation and stem cell ageing. (biomedcentral.com)
  • Under appropriate culture conditions, they can multiply and transform into specialized cell types in vitro . (biomedcentral.com)
  • Through cell survival-based cDNA expression screens in neural progenitor cells, we identify a genetic variant of AGS Atp5g1 that confers cell resilience to metabolic stress. (elifesciences.org)
  • In this study, we reveal from the gene expression profiles of several MKCL clones that the proliferation arrest is correlated with the expression levels of specific cyclin-dependent kinase inhibitors. (hokudai.ac.jp)
  • Gas6 is the product of growth arrest-specific gene 6 which was in the beginning cloned from serum-starved fibroblasts and shares about CUDC-305 (DEBIO-0932 ) 44% sequence identity and related website organization with protein S a negative regulator of blood coagulation (48). (exposed-skin-care.net)
  • Furthermore, the functionality of feeder-free cultured SSCs was confirmed by their transplantation into germ cell-depleted mice. (molcells.org)
  • In particular, the induction of stem cells to differentiate into muscle cells (myocytes) is useful for muscle transplantation and therapeutic purposes, as well as providing potential human disease models in culture (e.g. for testing pharmaceuticals). (justia.com)
  • The essence of MDS is damage of In the current work we examined All our patients were of the high-risk colony-forming units [4], but the defect haematopoietic stem cells of high-risk group and none of them was eligible of the haematopoietic stem cells is not MDS cases for apoptotic and anti-apop- for stem cell transplantation. (who.int)
  • Generally, when a stem cell culture is induced to differentiate, the differentiated population is analysed for particular cell types by expression of genes, markers or phenotypic analysis. (justia.com)
  • Several studies shown that Axl could mediate cell adhesion and aggregation through homotypic ectodomain associations (9 23 Both CUDC-305 (DEBIO-0932 ) murine and human being Axl proteins undergo proteolytic processing to yield a soluble form of this molecule. (exposed-skin-care.net)
  • Conclusion】 The expression trends of ADAMTS 1, PI 3 K and A k t genes and proteins were consistent and showed a positive correlation in ovary and granulosa cells of Mongolian sheep,suggested that ADAMTS 1 gene played an important role in twin birth of Mongolian sheep mediated by PI3K/Akt signaling pathway. (chvm.net)
  • Silencing CDKN1A and p53 with the overexpression of MBX was effective at stably inducing imMKCLs that generate functional platelets irrespective of the hPSC clone. (hokudai.ac.jp)
  • Stem cells are undifferentiated cells which can give rise to a succession of mature functional cells. (justia.com)
  • Natural killer (NK) cells are "licensed" with functional competence following education with self-major histocompatibility complex (MHC) class I molecules 1 . (nature.com)
  • Simulation results on the composition of the functional stem cell pool of MSC populations suggest that most of the cells that constitute this pool originate from more differentiated cells. (biomedcentral.com)
  • Spermatogonial stem cells (SSCs, also called germline stem cells) are self-renewing unipotent stem cells that produce differentiating germ cells in the testis. (molcells.org)
  • Spermatogonial stem cells (SSCs), also called germline stem cells, are unipotent precursor cells that self-renew and contribute to spermatogenesis in the testis. (molcells.org)
  • Germline and somatic follicle cells mutant for dm exhibit a profound decrease in their ability to grow and to carry out endoreplication,a modified cell cycle in which DNA replication occurs in the absence of cell division. (biologists.com)
  • Furthermore, in germline cysts in which the dm mutant cells comprised only a subset of the 16-cell cluster,we observed strictly cell-autonomous growth defects. (biologists.com)
  • However, in cases in which the entire germline cyst or the whole follicular epithelium was mutant for dm , the growth of the entire follicle, including the wild-type cells, was delayed. (biologists.com)
  • These mice provide evidence that the key functions of HDAC2, although not essential for survival of the organism, play a rate-limiting role for tumor development in vivo . (aacrjournals.org)
  • For example, ex vivo IL-21 treatment expanded CD16 + NK cells 9 , antagonized the IL-15-dependent expansion of resting NK cells 10 , and reverses hypo-responsiveness via the STAT1 and PI3K-AKT-FOXO1 pathways 11 . (nature.com)
  • furthermore, in vivo IFNα-induced NK cell cytotoxicity correlates with reductions in HIV-DNA during antiretroviral therapy (ART) 16 . (nature.com)
  • MEFs used as feeder cells may also secrete certain components into the media that support SSC proliferation. (molcells.org)
  • We used a transplant model to determine whether CD341 cells migrate from the bone marrow to Ewing s sarcoma tumors and participate in the neovascularization process that supports tumor growth. (conicet.gov.ar)
  • Seven days later, the mice were injected subcutaneously with TC71 tumor cells. (conicet.gov.ar)
  • The tumor sections expressed both human VE-cadherin and mouse CD31, indicating involvement of donor-derived human cells in the tumor vessels. (conicet.gov.ar)
  • Many tumor cell lines and experimental tumors respond to HDAC inhibition. (aacrjournals.org)
  • Crossing of HDAC2-mutant with tumor-prone APC min mice revealed tumor rates that are lower in HDAC2-deficient mice by 10% to 100% depending on segment of the gut and sex of the mice. (aacrjournals.org)
  • SCARA5 expression is significantly downregulated in various tumor tissues including liver cancer (LC), rectal cancer, and glioblastoma [ 15 , 16 ] and might affect cell proliferation and invasion abilities by the focal adhesion kinase (FAK) signaling pathway and epithelial-mesenchymal transition (EMT) [ 5 , 17 - 20 ]. (hindawi.com)
  • Also, the term "primary cutaneous CD4 + small/medium T-cell lymphoma" was changed to "primary cutaneous CD4 + small/medium T-cell lymphoproliferative disorder" because of its indolent clinical behavior and uncertain malignant potential. (medscape.com)
  • A common heterophilic ligand for these RTK family members is definitely Gas6 a vitamin K-dependent protein that is widely secreted by most cells including the lungs intestine Serping1 and vascular endothelium (43). (exposed-skin-care.net)
  • Immunohistochemical analysis revealed decreased infiltration of CD341 cells into both VEGF165-deficient tumors. (conicet.gov.ar)
  • Therefore, it is important to explore candidate genes that could have significance to the clinical diagnosis, as well as the treatment of esophageal squamous cell carcinoma (ESCC) at the molecular level [ 4 ]. (hindawi.com)
  • Human umbilical cord CD341 cells were transplanted into sublethally irradiated severe combined immunodeficient mice. (conicet.gov.ar)
  • found that when this variant form of ATP5G1 was introduced into the cells of mice, their mitochondria was better at coping with stress conditions, such as low oxygen, low temperature and poisoning. (elifesciences.org)
  • Trisomy 8+ cells showed a significant positive correlation with apoptotic CD34+ cells and capacity for colony formation. (who.int)
  • Although the Myc oncogene has long been known to play a role in many human cancers, the mechanisms that mediate its effects in both normal cells and cancer cells are not fully understood. (biologists.com)
  • We recently established expandable immortalized megakaryocyte cell lines (imMKCLs) from hPSCs by transducing MYC, BMI1, and BCL-XL (MBX). (hokudai.ac.jp)
  • constitutively released by murine main cells such as dendritic and transformed cell lines. (exposed-skin-care.net)
  • The invention also includes cells, cell lines, testing models and culture systems used in the methods of the present invention and differentiated cells produced therefrom. (justia.com)
  • Cutaneous T-cell lymphoma (CTCL) (see the image below) is a heterogeneous group of lymphoproliferative disorders characterized by localization of neoplastic T lymphocytes to the skin, with no evidence of extracutaneous disease at the time of diagnosis. (medscape.com)
  • In addition, the growth rate of SSCs cultured using our newly developed system is equivalent to that in feeder cultures. (molcells.org)
  • Human BeWo cell line has been used to study the effects of Δ-9-tetrahydrocannabinol (Δ9-THC) on the proliferation and gene transcription in the BeWo trophoblast cell line. (sigmaaldrich.com)
  • It has also been used to study placental transfer of highly purified non-dioxin-like polychlorinated biphenyls in BeWo cells. (sigmaaldrich.com)
  • Objective】 This study was aimed to clone the Toll-like receptor 4 (TLR4) gene in Cygnus olor and analyze its encoded protein by bioinformatics,so as to provide an important reference basis for further exploring the immune mechanism of TLR4 protein against pathogenic microorganisms in Cygnus olor . (chvm.net)
  • We confirmed that the feeder-free cultured SSCs expressed germ cell markers both at the mRNA and protein levels. (molcells.org)
  • Examining the genetic code of these resilient cells revealed that Arctic ground squirrels may have a variant form of a protein called ATP5G1. (elifesciences.org)
  • These findings provide the first evidence of a protein variant that is responsible for protecting cells during the metabolic stress conditions caused by hibernation. (elifesciences.org)
  • Here, we demonstrate that the S phase checkpoint protein CHK1 is maintained in a low phosphorylation state in Spi1/PU.1-overexpressing cells and provide evidence that this is not due to negative control of its primary kinase ATR. (oncotarget.com)
  • Method】 The sequence of TLR 4 gene CDS in Cygnus olor was amplified by PCR and cloned.NCBI-BLAST and Mega-X were used for sequence comparison and phylogenetic tree construction.The structure and function of TLR4 protein and its interaction with host protein were predicted using ProtParam,SWISS-MODEL,etc. (chvm.net)
  • Currently, there is an ongoing debate on fundamental dynamics underlying this kind of cell plasticity. (biomedcentral.com)
  • Ectopic expression in mouse cells and CRISPR/Cas9 base editing of endogenous AGS loci revealed causal roles of one AGS-specific amino acid substitution in mediating cytoprotection by AGS ATP5G1. (elifesciences.org)
  • Notably, we found that the expression of the CHK1 phosphatase PP1α is increased in Spi1/PU.1-overexpressing cells. (oncotarget.com)
  • Our results suggest that although trisomy 8 cells are in a pro-apoptotic state, they are checked by the enhanced expression of anti-apoptotic signals which provide them with their proliferative advantage. (who.int)
  • Surprisingly, despite their impaired ability to endoreplicate, dm mutant follicle cells appeared to carry out chorion gene amplification normally. (biologists.com)
  • To determine the role of VEGF165 in the chemoattraction of CD341 cells, we generated two VEGF165-defi- cient TC71 clones, a stable anti-sense VEGF165 cell line (Clone 17) and a VEGF165 siRNA-inhibited clone (TC/siVEGF7-1). (conicet.gov.ar)
  • Thrombospondin type 1 domain-containing 7A ( THSD7A ) was reported to play a procancer role in esophageal squamous cell carcinoma (ESCC). (hindawi.com)
  • Given previous findings on a role of IL-21 and IFNα in regulating NK cell function, and that NKG2a low CD16 + NK cells are generated while expressing high levels of IL-21R in nonpathogenic SIV infection, we sought to determine whether immunotherapy with IL-21 and IFNα rescues AGM-like profiles of NK cell maturation and activity in SIV-infected rhesus macaques (RMs). (nature.com)
  • We previously showed that constitutive overexpression of the oncogenic transcription factor Spi1/PU.1 leads to pre-leukemic cells that have a shortened S phase duration with an increased replication fork speed and increased mutability in the absence of DNA breaks. (oncotarget.com)
  • By exogenously modulating its activity, we demonstrate that PP1α is required to maintain CHK1 in a dephosphorylated state and, more importantly, that it is responsible for the accelerated replication fork progression in Spi1/PU.1-overexpressing cells. (oncotarget.com)
  • The frequency and activity of terminally differentiated NKG2a/c low CD16 + natural killer cells correlates with a reduction of replication-competent SIV in lymph node during antiretroviral therapy and time to viral rebound following analytical treatment interruption. (nature.com)
  • Unlike HIV infection, which progresses to AIDS absent suppressive anti-retroviral therapy, nonpathogenic infections in natural hosts, such African green monkeys, are characterized by a lack of gut microbial translocation and robust secondary lymphoid natural killer cell responses resulting in an absence of chronic inflammation and limited SIV dissemination in lymph node B-cell follicles. (nature.com)
  • All patients can evolve into trisomy 8+ MDS [12], cells, since acquiring adequate samples diagnosed with MDS have a reduced in which 8+ appears to confer a favour- for flow cytometric analysis renders the life expectancy compared with age- able prognosis [13]. (who.int)
  • The first human, trophoblastic endocrine cell type to be maintained in continuous culture. (sigmaaldrich.com)
  • Here we report, using the pathogenic model of antiretroviral therapy-treated, SIV-infected rhesus macaques that sequential interleukin-21 and interferon alpha therapy generate terminally differentiated blood natural killer cells (NKG2a/c low CD16 + ) with potent human leukocyte antigen-E-restricted activity in response to SIV envelope peptides. (nature.com)
  • In any case, the respective cell types may then be selectively cultured to enrich their percentage population to eventually obtain a single cell type and culture. (justia.com)
  • Monitoring the fates of individual cells in high and low oxygen culture, we calculated the average transition times of individual cells into stem cell and differentiated states. (biomedcentral.com)
  • A high rate of hCG Synthesis has been shown. (sigmaaldrich.com)
  • Due to the high glycolytic activity the cells have to be sub-cultured or supplied with fresh media every 24-48 hours to prevent glucose exhaustion. (sigmaaldrich.com)
  • High-risk MDS cases had a significantly higher percentage of apoptotic CD34+ cells and anti-apoptotic survivin+ cells than controls, particularly for trisomy 8 cases. (who.int)
  • Among the changes to CTCL classification were the addition of primary cutaneous acral CD8 + T-cell lymphoma as a new provisional entity. (medscape.com)
  • One such animal is the Arctic ground squirrel, an extreme hibernator that can drop its body temperatures to below 0°C. This hibernation ability means the cells of Arctic ground squirrels can survive severe shortages of blood and oxygen. (elifesciences.org)
  • 15]. The percentage of bone common of which are trisomy 8, mono- marrow blast cells for estimation of the Myelodysplastic syndrome (MDS) is somy 7 and 5q- [11]. (who.int)