• The aim of these investigations was to study the role of ACE on haematopoietic stem and progenitor cell proliferation. (st-andrews.ac.uk)
  • By studying murine transgenic leukemia models developed in our laboratory, we are currently exploring the relationships between hematopoietic progenitor cell identities and the development and progression of acute leukemia. (lu.se)
  • Malignant transformation and uncontrolled proliferation of an abnormally differentiated, long-lived hematopoietic progenitor cell results in a high circulating number of blasts, replacement of normal marrow by malignant cells, and the potential for leukemic infiltration of the central nervous system (CNS) and testes. (msdmanuals.com)
  • The MDS cell of origin is a hematopoetic stem cell that proliferates and escapes apoptosis. (standardofcare.com)
  • HQ reduced the proliferation and the differentiation and colony formation, but increased the apoptosis of both YS-HSCs and BM-HSCs. (cdc.gov)
  • In-depth study of small non-coding RNA molecules confirmed that microRNA (miR) has an important regulatory role in cell proliferation, differentiation, metabolism, apoptosis and development processes ( 3 ). (spandidos-publications.com)
  • Chronic myeloid leukemia (CML) results from BCR-ABL oncogene, which blocks CML cells differentiation and protects these cells from apoptosis. (jcancer.org)
  • Here, we determined the effect of Jiyuan oridonin A (JOA), an ent -kaurene diterpenoid compound, on the differentiation blockade in imatinib-sensitive, particularly, imatinib-resistant CML cells with BCR-ABL-T315I mutation by cell proliferation assay, apoptosis analysis, cell differentiation analysis, cell cycle analysis and colony formation assay. (jcancer.org)
  • Previous studies have reported changes in the transcriptional program of genes involved in proliferation, differentiation, apoptosis, and homing when HSPCs were expanded ex vivo. (ox.ac.uk)
  • PKC is an important signaling molecule in numerous cell pathways, including cell differentiation, proliferation and apoptosis. (medscape.com)
  • PKC isozymes are LR-dependent molecules that link psychosine-induced LR disruption to reduced PKC function and altered cell signaling activity, possibly driving demyelination and apoptosis in oligodendrocytes and Schwann cells. (medscape.com)
  • Abnormal proliferation, clonal expansion, aberrant differentiation, and diminished apoptosis (programmed cell death) lead to replacement of normal blood elements with malignant cells. (msdmanuals.com)
  • We used primary acute myeloid leukemia (AML) samples and human AML cell lines to investigate the regulatory mechanisms of autophagy and its role in AML differentiation. (hindawi.com)
  • A heterogenous group of myeloid disorders characterized by somatically mutated hematopoietic stem cells,the presence of variable peripheral cytopenias, and a broad risk of progression to acute myeloid leukemia (AML). (standardofcare.com)
  • Here, we show that young and aged LT-HSCs respond differently to inflammatory stress, such that aged LT-HSCs produce a cell-intrinsic, myeloid-biased expression program. (biorxiv.org)
  • Using single-cell RNA-seq, we identify a myeloid-biased subset within the LT-HSC population (mLT-HSCs) that is much more common amongst aged LT-HSCs and is uniquely primed to respond to acute inflammatory challenge. (biorxiv.org)
  • These factors may regulate myeloid versus lymphoid balance with age, and can potentially mitigate the long-term deleterious effects of inflammation that lead to hematopoietic pathologies. (biorxiv.org)
  • Aged LT-HSCs demonstrate a cell-intrinsic myeloid bias during inflammatory challenge. (biorxiv.org)
  • One sentence summary Murine hematopoietic stem cells display transcriptional heterogeneity that is quantitatively altered with age and leads to the age-dependent myeloid bias evident after inflammatory challenge. (biorxiv.org)
  • Physiologic aging in both humans and mice leads to permanent changes in LT-HSC function, such as myeloid-biased hematopoietic output ( Akunuru and Geiger, 2016 ). (biorxiv.org)
  • Both C/EBPs command and control molecular programs of proliferation and differentiation into innate immune cells , including various types of myeloid cells. (mdc-berlin.de)
  • Cells were then analyzed by flow cytometry for expression of myeloid marker CD11b, monocyte/macrophage marker CD14, and M2 macrophage activation marker CD163 and CD206. (jci.org)
  • the bone marrow makes large numbers of abnormal, immature white blood cells called myeloid blasts. (medlineplus.gov)
  • Instead of developing into normal white blood cells, the myeloid blasts develop into cancerous leukemia cells. (medlineplus.gov)
  • The G-CSF receptor is expressed on a variety of hematopoietic cells, including myeloid-committed progenitor cells, neutrophils, granulocytes, and monocytes. (stemcell.com)
  • Therapy-resistant leukemia stem and progenitor cells (LSC) are a main cause of acute myeloid leukemia (AML) relapse. (bvsalud.org)
  • T cells are important for the control of acute myeloid leukemia (AML), a common and often deadly malignancy. (bvsalud.org)
  • Differential effect of transforming growth factor beta 1 on the proliferation of human lymphoid and myeloid leukemia cells. (unito.it)
  • Chronic myeloid leukemia (CML) is a clonal expansion of the progenitor hematopoietic stem cells arising from the existence of the fusion BCR-ABL oncogene, that represents 15%-20% of the newly diagnosed cases of leukemia patients [ 1 - 2 ]. (jcancer.org)
  • HSCs specifically are defined by their ability for self-renewal and to reconstitute the entire hematopoietic system following transplantation. (stemcell.com)
  • It is used both by hematopoietic researchers and clinical labs to assess the potency of transplantation units of cord blood (CB) and hematopoietic cellular therapy products. (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)
  • Although treatment strategies changed from traditional chemotherapy and autologous hematopoietic stem cell transplantation to novel targeted drug therapy, the outcome was not improved ( 2 ). (spandidos-publications.com)
  • Much attention has been focused on the regulation of hematopoiesis by chemokines, because of the possibility of direct consequence for clinical practice in cell therapies such as hematopoietic stem cell transplantation. (go.jp)
  • Studies indicate that early unrelated hematopoietic stem cell transplantation in both the infantile and late-onset forms is associated with at least short-term benefits on neurocognitive parameters, lifespan, and quality of life. (medscape.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)
  • Treatment typically includes combination chemotherapy to achieve remission, intrathecal and systemic chemotherapy and/or corticosteroids for CNS prophylaxis, and sometimes cerebral irradiation for intracerebral leukemic infiltration, consolidation chemotherapy with or without stem cell transplantation, and maintenance chemotherapy for up to 3 years to avoid relapse. (msdmanuals.com)
  • Bone marrow-derived hematopoietic and mesenchymal stem cells as targets for Histoplasma capulatum infection: implications for hematopoiesis, differentiation, and proliferation. (urosario.edu.co)
  • To determine whether the interaction of hematopoietic stem cells (HSCs) and bone marrow-derived mesenchymal stem cells (BMMSCs) with Histoplasma capsulatum affects hematopoiesis, differentiation and proliferation of these precursor cells. (urosario.edu.co)
  • BMMSCs) with Histoplasma capsulatum affects hematopoiesis, differentiation and proliferation of these precursor cells. (urosario.edu.co)
  • Clonal hematopoietic stem cell disorders characterized by ineffective hematopoiesis and peripheral cytopenias. (standardofcare.com)
  • We apply targeted mouse genetics in combination with experimental hematopoiesis, genetic engineering of hematopoietic cells, human iPSC hematopoietic differentiation, proteomics and biochemistry. (mdc-berlin.de)
  • Together with the associated research group of Dr. Alexander Mildner we perform ATACseq, ChIPseq and single cell analysis to disclose fundamental epigenetic mechanisms in hematopoiesis, homeostasis, autoimmune diseases, and in leukemogenesis. (mdc-berlin.de)
  • 3 STAT5 regulated signaling controls important functions of innate and acquired immunity, hematopoiesis, and also growth and survival of many cell types in different organs responding to extracellular cytokines. (nature.com)
  • Hematopoiesis, in particular the genetic control of hematopoietic cell proliferation and differentiation is also studied in human cell cultures and transgenic mouse model systems. (lu.se)
  • The Division of Molecular Hematology (DMH) aims to generate new knowledge about the regulation of blood cell development by applying recent advances in stem cell technology, in order to dissect the molecular regulation of hematopoiesis. (lu.se)
  • Temporal multimodal single-cell profiling of native hematopoiesis illuminates altered differentiation trajectories with age. (lu.se)
  • The bone marrow microenvironment (BMME) is a complex network system primarily comprising stromal cells such as mesenchymal stem cells (MSCs), osteoprogenitor cells, vascular endothelial cells, monocytes, macrophages, and cytokines. (techscience.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)
  • 1 , 7 In addition, pro-and anti-inflammatory cytokines further contribute to iron retention within monocytes/macrophages by stimulating iron uptake pathways while inhibiting ferroportin transcription in these cells. (haematologica.org)
  • This week, Qkine is delighted to announce a new collaborative partnership with Sartorius, a global life science group, to supply growth factors and cytokines for stem cell and organoid research. (qkine.com)
  • During the process of airway inflammation, complex interactions of innate and adaptive immune cells as well as structural cells and their cytokines have many important roles. (cdc.gov)
  • T helper (Th) 2 cells, which recruit and accumulate in the lungs and produce a range of different effector cytokines. (cdc.gov)
  • However, more recent studies have revealed the potential collaboration of other helper T cells and their cytokines in this process. (cdc.gov)
  • The aim of this review is to summarize the current knowledge about the possible roles of newly identified helper T cells derived cytokines (IL-9, 17, 22, 25 and IL-33) in asthma. (cdc.gov)
  • Transfection of MDS-MSCs with the miR-103-3p mimic improved osteogenic differentiation and decreased adipogenic differentiation in vitro, while inhibition of miR-103-3p showed the opposite results in NOR-MSCs. (techscience.com)
  • B ) Activated macrophages derived in vitro from NHO CD34 + cells stimulate NHO muscle-derived stromal cells (NHO-MDSCs). (jci.org)
  • Haematopoietic stem cells were induced into cell cycle by in vivo administration of either 2 Gy-γ-irradiation or the two cytotoxic drugs, cytosine arabinoside (Ara-C) (100 mg/kg i.p.) or 5 flourouracil (5 FU) (150 mg/kg i.v). Bone marrow cells were sampled and incubated in vitro for up to 24 hours. (st-andrews.ac.uk)
  • In addition, captopril alone in vitro reduced the proportion of HPP-CFC-1 in S-phase induced into cell cycle by cytotoxic drugs. (st-andrews.ac.uk)
  • 02:47 and red blood cells in vitro. (yale.edu)
  • Under in vitro conditions, changes in the proliferation and invasion ability were detected in myeloma cells. (spandidos-publications.com)
  • In vitro differentiation of GS-2 iPSCs into hematopoietic stem and progenitor cells was done using Op9 feeder layers and specified media. (biomedcentral.com)
  • Moreover, in vitro cultures of erythroid cells derived from haematopoietic stem cells has demonstrated that P. vivax is able to directly inhibit erythroid cell proliferation and differentiation [ 22 ]. (biomedcentral.com)
  • Objective: To characterize pulp stem cells and evaluate their capacity for expansion and differentiation in vitro. (bvsalud.org)
  • Pulp stem cells (PSCs) are able to form ectopic dentin in vitro and in vivo and also to generate a dentine-pulp complex composed of a mineralized matrix, with dentinal tubules that are aligned and filled with odontoblastic prolongations, containing vascularized pulp tissue, in a similar arrangement to that observed in natural dental structures 3,6 . (bvsalud.org)
  • and positive regulation of cell differentiation. (mcw.edu)
  • Involved in negative regulation of hematopoietic stem cell differentiation and positive regulation of hematopoietic stem cell proliferation. (nih.gov)
  • The results demonstrated that two cyclic AMP responsive elements (CREs) in the proximal promoter region of C/EBPβ were involved in the positive regulation of C/EBPβ transcription during granulocyte-macrophage colony-stimulating factor (GM-CSF)-induced differentiation of bone marrow cells. (harvard.edu)
  • the second form, a delayed lesion that involves the persistent expression of a dysfunctional microenvironmental phenotype, appearing to disrupt the normal regulation of hematopoietic stem cell (HSC) proliferation and differentiation of the HSC during the recovery process. (iiarjournals.org)
  • The NPM1 gene provides instructions for a protein that is likely involved in the regulation of cell growth and division. (medlineplus.gov)
  • The aim of the present study was to assess the effects of sprouty homolog 2 (SPRY2) gene regulation by miR-21 on the occurrence, development and tumor metastasis in multiple myeloma (MM). The miR‑21 expression lentiviral vector (LV)‑anti‑miR‑21 and a liposome transfection method were used to screen MM cell lines with stable silent SPRY2. (spandidos-publications.com)
  • 12 In addition, the immunity-driven down-regulation of erythropoietin receptors on erythroid progenitor cells and the limited availability of iron for heme biosynthesis negatively affect the biological functions of erythropoetin. (haematologica.org)
  • In this study, a phosphoproteomic approach was performed to dissect the molecular mechanism of phosphoprotein regulation, which is involved in the inhibitory effect of parasites on erythroid cell development. (biomedcentral.com)
  • This result suggests that phospho-ezrin is important for actin cytoskeleton regulation during erythroid cell growth and division. (biomedcentral.com)
  • These findings suggest that parasite proteins are able to inhibit erythroid cell growth by down-regulation of ezrin phosphorylation, leading to ineffective erythropoiesis ultimately resulting in severe malarial anaemia. (biomedcentral.com)
  • The regulation of complex and dynamic signal transduction proteins contributes to the destination of targeting proteins and the signal transduction of cell growth, and exposure to parasites can also influence signaling pathways. (biomedcentral.com)
  • May play a role in the regulation of anchorage versus migration or proliferation versus differentiation via its phosphorylation. (cusabio.cn)
  • This report reviews the physiological roles of chemokines and their receptors in the context of hematopoietic cell regulation, with particular focus on the involvement of stromal cell derived factor (SDF)-l/pre-B cell growth stimulating factor (PBSF) and its receptor CXCR4. (go.jp)
  • The C-domain is predominantly involved in blood pressure regulation while the N-domain plays a role in hematopoietic stem cell differentiation and proliferation. (wheretobuyuk.net)
  • Aberrant regulation of blood cell formation underlies a wide range of hematological disorders, including leukemia. (lu.se)
  • A broader interest of our laboratory is to understand the molecular regulation of HSCs both from the perspectives of self-renewal and differentiation, and how these features become altered upon disease-causing or disease-associated perturbations. (lu.se)
  • The ACK2 monoclonal antibody specifically binds to CD117, which is also known as Proto-oncogene c-Kit (c-kit), Stem Cell Factor Receptor (SCFR), and Mast/stem cell growth factor receptor. (bdbiosciences.com)
  • CD117 (c-kit) serves as a receptor for c-Kit ligand (aka, stem cell factor or SCF). (bdbiosciences.com)
  • The presence of neurotransmitter receptors in microglia illustrates their functional connection to neurons and this receptor activation could cause microglial cells to perform different activation phenotypes ( Pocock and Kettenmann, 2007 ). (frontiersin.org)
  • The HT-KIT drug is designed to more specifically target the receptor tyrosine kinase KIT in mast cells, which is required for the proliferation, survival and differentiation of bone marrow-derived hematopoietic stem cells. (reachmd.com)
  • Cytokine binding to the cell surface leads to phosphorylation of the receptor complex by receptor associated Janus kinases (JAKs) at tyrosine residues. (nature.com)
  • Cell-to-cell signalling is induced by specific ligands such as growth factors which activate their cognate receptor molecules. (amegroups.org)
  • KIT is a receptor tyrosine kinase type III, which binds to stem cell factor. (inhibitorkit.com)
  • We found a significantly lower expression of key autophagy- (ATG-) related genes in primary AML as compared to healthy granulocytes, an increased autophagic activity during all- trans retinoic acid- (ATRA-) induced neutrophil differentiation, and an impaired AML differentiation upon inhibition of ATG3, ATG4D, and ATG5. (hindawi.com)
  • Neuronal differentiation and cell-cycle programs mediate response to BET-bromodomain inhibition in MYC-driven medulloblastoma. (cancerindex.org)
  • This review focuses on an up-to-date understanding of the functions of E3 ligases in cancers and debates the perspectives of cancer cells that rely on inhibition or activation of ubiquitylation of target proteins. (bmbreports.org)
  • and (iii) inhibition of the differentiation and proliferation of erythroid progenitor cells. (haematologica.org)
  • Erythropoietin levels in ACD have been found to be inadequate for the degree of anemia in many but not all conditions including IBD 9 , 10 which may be partly due to interleukin-1- and TNF-α-mediated inhibition of erythropoietin promoter activity and a cytokine-driven formation of toxic radicals, thereby damaging erythropoietin-producing cells and inhibiting erythropoietin formation in the kidney. (haematologica.org)
  • Overexpression of FLI1 in erythroblasts causes inhibition of differentiation and ultimately the development of pre-T cell lymphoblastic leukemia/lymphoma [ 11 ]. (biomedcentral.com)
  • Mechanistically, the cell differentiation mediated by JOA may be originated from the inhibition of BCR-ABL/c-MYC signaling in CML cells expressing wild-type BCR-ABL and BCR-ABL-T315I. (jcancer.org)
  • In addition to hematopoietic cells, G-CSF is also expressed in cardiomyocytes, neuronal cells, mesothelial cells, and endothelial cells. (stemcell.com)
  • We have previously examined a well characterized this research non transfected neuronal cell culture model that expresses three known mERs mER, mER, and GPR30. (inhibitorkit.com)
  • The mutation occurs in hematopoetic stem cells capable of self renewal and additional mutations are associated with clonal progression may occur in progenitor cells conferring a self renewal capability. (standardofcare.com)
  • Mutations in the KIT pathway have been associated with several human cancers, such as gastrointestinal stromal tumors and mast cell-derived cancers (mast cell leukemia and mast cell sarcoma). (reachmd.com)
  • Although the proteins produced from two other genes involved in CN-AML, IDH1 and IDH2 , are not normally involved in proliferation, differentiation, or survival of cells, mutations in these genes lead to the production of proteins with a new function. (medlineplus.gov)
  • Long-term hematopoietic stem cells (LT-HSCs) maintain hematopoietic output throughout an animal's lifespan. (biorxiv.org)
  • It maintains normal hematopoietic function by interacting with hematopoietic stem cells (HSCs) to control their proliferation and differentiation ( Morrison and Scadden, 2014 ). (techscience.com)
  • 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)
  • It is believed that benzene and its metabolites target hematopoietic stem cells (HSCs) to cause toxicity and cancer in the hematopoietic system. (cdc.gov)
  • In the current study, we compared the effects of hydroquinone (HQ), a major metabolite of benzene in humans and animals, on mouse embryonic yolk sac hematopoietic stem cells (YS-HSCs) and adult bone marrow hematopoietic stem cells (BM-HSCs). (cdc.gov)
  • Our research focuses on how hematopoietic stem cells (HSCs) and their immediate offspring are regulated in situations such as infections, stress, aging and leukemia. (lu.se)
  • We have developed and applied FACS-based high-resolution cell fractionation procedures to map the differentiation processes from HSCs. (lu.se)
  • Our goal is to understand, at cellular and molecular levels, what controls HSCs and the fate of other immature blood cells. (lu.se)
  • The clonal outgrowth of mutant stem cells favors and abnormal hematopoietic stem cell niche. (standardofcare.com)
  • The pathogenesis of myelodysplastic syndrome (MDS) may be related to the abnormal expression of microRNAs (miRNAs), which could influence the differentiation capacity of mesenchymal stem cells (MSCs) towards adipogenic and osteogenic lineages. (techscience.com)
  • The large number of abnormal cells in the bone marrow interferes with the production of functional white blood cells, red blood cells, and platelets. (medlineplus.gov)
  • However, in the case of cancer, angiogenesis occurs in cells that originally had no blood vessels and branches gradually form from surrounding blood vessels, taking in nutrients and causing the repeated abnormal proliferation of cancer cells. (healthist.net)
  • The research will be led by Dr. Glenn Cruse , Assistant Professor, and will focus on characterizing the HT-KIT dose and dosing frequency for treatment of aggressive mastocytosis and mast cell neoplasms using humanized tumor mouse models. (reachmd.com)
  • Interleukin (IL)-9-producing subset called Th9 cell, Th22 cells which primarily secrete IL-22, IL-13 and tumor necrosis factor- and Th25 cells via producing IL-25 are believed to be important for initiating allergic reactions and developing airway inflammation. (cdc.gov)
  • Our data clearly suggest that granulocytic AML differentiation relies on noncanonical autophagy pathways and that restoring autophagic activity might be beneficial in differentiation therapies. (hindawi.com)
  • In this review, we focus on the impact of ncRNA post-transcriptional regulatory mechanisms, especially those of microRNAs and lncRNAs, in RA signalling pathways during differentiation and disease. (mdpi.com)
  • Many molecular pathways in eukaryotic cells are modulated by specific signaling proteins that are controlled, by phosphorylation and dephosphorylation, through the activity of kinase and phosphatase enzymes. (biomedcentral.com)
  • We study the development of blood cells and the emergence of leukemia by focusing on the molecular genetics of self-renewal and its connection to differentiation into functional cells of the innate immune system, like macrophages, granulocytes, and dendritic cells. (mdc-berlin.de)
  • Dysregulation of these master switches may affect differentiation, which can lead to "confused" cells as the potential progenitors of leukemia. (mdc-berlin.de)
  • Experimental hematology, leukemia research, in combination with stem cell research strives to untangle the underlying "grammar" of transcription factor networks. (mdc-berlin.de)
  • His pioneering work spans discoveries in basic biology of blood stem cells and leukemia to first-in-human clinical trials for people with cancer and heart diseases, alongside shaping innovative policies in state health and healthcare financing. (ufl.edu)
  • SIGNIFICANCE: The elimination of therapy-resistant leukemia stem and progenitor cells (LSC) remains a major challenge in the treatment of AML. (bvsalud.org)
  • Analysis of leukemia stem cell (LSC) chromatin changes at relapse indicated that this leukemic compartment underwent significantly less epigenetic evolution than non-LSCs, while epigenetic changes in non-LSCs reflected overall evolution of the bulk leukemia. (bvsalud.org)
  • May be a novel marker for leukemia diagnosis and for immature hematopoietic stem cell subsets. (cusabio.cn)
  • Effect of lithium on normal and chronic granulocytic leukemia colony forming cells (CFU-GM). (unito.it)
  • Most are involved in regulating processes such as the growth and division (proliferation), maturation (differentiation), or survival of cells. (medlineplus.gov)
  • G-CSF plays a key role in the proliferation, differentiation, and maturation of committed progenitor cells to granulocytes, such as neutrophils. (qkine.com)
  • A complex process that involves the proliferation of MEGAKARYOCYTES in BONE MARROW, their differentiation in size and ploidy, and maturation before the release of functional BLOOD PLATELETS. (bvsalud.org)
  • We show that marrow from human NHOs contains hematopoietic stem cell (HSC) niches, in which mesenchymal stromal cells (MSCs) and endothelial cells provide an environment supporting HSC maintenance, proliferation, and differentiation. (jci.org)
  • Conclusions: The cells isolated from dental pulp exhibited characteristics compatible with those expected for mesenchymal stem cells (MSCs) and are good candidates for cell therapy applications and tissue bioengineering. (bvsalud.org)
  • The signal transducer and activator of transcription 5 (STAT5) regulates differentiation, survival, proliferation and transformation of hematopoietic cells. (nature.com)
  • In order for cells to grow and proliferate by manufacturing more proteins, the cells must ensure that they have the resources available for protein production. (wikipedia.org)
  • Even if a cell has the proper energy for protein synthesis, if it does not have the amino acid building blocks for proteins, no protein synthesis will occur. (wikipedia.org)
  • Key gene regulatory proteins control cell multiplication and instruct cells to adopt distinct cell fates. (mdc-berlin.de)
  • Hematopoietic transcription factors (= gene regulatory proteins) concertedly control cell proliferation, lineage commitment, and cell differentiation. (mdc-berlin.de)
  • In addition, the transcripts of CRE binding (CREB) family proteins were readily detected in hematopoietic stem/progenitor cells. (harvard.edu)
  • The proteins produced from these genes have different functions in the cell. (medlineplus.gov)
  • The proteins produced from the CEBPA and DNMT3A genes regulate gene activity and help to control when cells divide and how they mature. (medlineplus.gov)
  • 18 Both enzymes, OGT and OGA as well as multiple O-GlcNAcylated proteins are enriched at sites of active transcription in human cells. (nature.com)
  • 2006). for PKA-induced actomyosin remodeling, cAMP-responsive element binding protein (CREB)-driven gene expression of proteins required Brevianamide F for trophoblast differentiation, Brevianamide F and, hence, trophoblast cell-cell fusion. (biotech2012.org)
  • Basal macroautophagy (thereafter referred to as autophagy), a catabolic recycling system in cells, is key to maintaining cellular homeostasis and survival. (hindawi.com)
  • There is clonal proliferation of malignant hematopoietic stem cells, dysregulated cellular differentiation, and compromised tissue function. (standardofcare.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)
  • In the developing embryo, TFs regulating the assembly/disassembly of transcriptional complexes and ultimately gene expression, are directed by complex extrinsic signalling processes which connect all cells within a multi-cellular organism to their environment. (amegroups.org)
  • BCR-ABL oncogene encodes a BCR-ABL tyrosine kinase (TK), which triggers different downstream targets including c-Myc, STAT5 and CrkL, which participated in the control of cell differentiation, proliferation, migration and other cellular behaviors [ 3 - 5 ]. (jcancer.org)
  • A sub line of our research deals with how proliferation dynamics, at defined cellular stages, associate with these processes. (lu.se)
  • Analysis of the cellular phenotype showed that the cells were negative for CD45, CD69, CD117 and HLADR, and positive for CD13, CD44, CD73, CD90 and CD105. (bvsalud.org)
  • 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)
  • It is a member of the immunoglobulin superfamily and has been shown to interact with CD45 in signal transduction during lymphocyte proliferation and differentiation. (biolegend.com)
  • The miR-103-3p mimics may boost MDS-MSCs osteogenic differentiation while weakening lipid differentiation, thereby providing possible target for the treatment of MDS pathogenesis. (techscience.com)
  • Activated macrophages contribute to the osteogenic differentiation of human NHO-MDSCs. (jci.org)
  • The numerous dots are called blood islands, which are formed when as many as 100 cells derived from the mesoderm clump together. (healthist.net)
  • In the case of vasculogenesis, blood islands are formed as a result of the differentiation of cells derived from the mesoderm. (healthist.net)
  • A mutation in this gene resulting in reduced cell proliferation, and impaired cell motility and polarity, and has been identified in patients with primary microcephaly. (cancerindex.org)
  • For example, the protein produced from the FLT3 gene stimulates the proliferation and survival of cells. (medlineplus.gov)
  • This complex process is regulated by the interplay of transcription factors with a chromatin environment, both of which provide the epigenetic information maintaining cell-type specific gene expression patterns. (amegroups.org)
  • The stimulus for the change of cell fate originates from extrinsic signals which set a cascade of intracellular processes in motion that eventually terminate at the genome leading to changes in gene expression and the development of alternate gene regulatory networks. (amegroups.org)
  • The development of the hematopoietic system has long served as model to understand how changes in gene regulatory networks drive the differentiation of the various blood cell types. (amegroups.org)
  • Griscelli syndrome type 2 (GS-2) is a rare, autosomal recessive immune deficiency syndrome caused by a mutation in the RAB27A gene, which results in the absence of a protein involved in vesicle trafficking and consequent loss of function of in particular cytotoxic T and NK cells. (biomedcentral.com)
  • All GS-2 iPSC clones displayed a normal karyotype (46XX or 46XY) and were shown to express the same RAB27A gene mutation that was present in the original somatic donor cells. (biomedcentral.com)
  • The department focuses on research that aims to develop gene therapy for hematopoietic cells using viral vectors. (lu.se)
  • Single-cell RNA-seq of primary AML samples and CD4 + T cells before and after their interaction uncovered transcriptional programs that correlate with AML sensitivity or resistance to CD4 + T cell killing. (bvsalud.org)
  • We show that AML transcriptional programs correlate with susceptibility to T cell killing. (bvsalud.org)
  • It is a key cytokine involved in the production of neutrophils and the stimulation of granulocyte colony formation from hematopoietic progenitor cells (Metcalf & Nicola). (stemcell.com)
  • Trisomy 8+ cells showed a significant positive correlation with apoptotic CD34+ cells and capacity for colony formation. (who.int)
  • Cell proliferation was measured using a fluorometric assay method. (stemcell.com)
  • An MTT assay was used to assess cell proliferation. (spandidos-publications.com)
  • A scratch test/wound healing assay was used to detect the cell migration ability. (spandidos-publications.com)
  • A Transwell assay was used to detect the cell invasion ability. (spandidos-publications.com)
  • In vivo differentiation to cells from all three germlines was tested using a teratoma assay. (biomedcentral.com)
  • Differentiation capacity into cells from all three germ layers was confirmed using the teratoma assay. (biomedcentral.com)
  • Using a CRISPR Cas9-guided immunoprecipitation assay, we identify a circular RNA in the FLI1 promoter chromatin complex, consisting of FLI1 exons 4-2-3, referred to as FECR1.Overexpression of FECR1 enhances invasiveness of MDA-MB231 breast cancer cells. (biomedcentral.com)
  • Using this CasIP assay, we identified FECR1, a FLI1 exonic circular RNA that binds to the FLI1 promoter and epigenetically activates FLI1 in breast cancer cells. (biomedcentral.com)
  • Upon cytokine stimulation, STAT5 tyrosine phosphorylation (pYSTAT5) is transient, while in diverse neoplastic cells persistent overexpression and enhanced pYSTAT5 are frequently found. (nature.com)
  • We found that O-GlcNAcylation and tyrosine phosphorylation act together to trigger pYSTAT5 levels and oncogenic transcription in neoplastic cells. (nature.com)
  • These ATG genes are highly conserved in mammalian cells, allowing to study their functions also in higher eukaryotes [ 1 - 4 ]. (hindawi.com)
  • The production of terminally differentiated cells from such cells, therefore, requires successive changes of cell fates, meaning that genes relevant for the next stage of differentiation must be switched on and genes not relevant anymore must be switched off. (amegroups.org)
  • Induced pluripotent stem cells (iPSC) express genes associated with pluripotency, have the capacity for infinite expansion, and can differentiate into cells from all three germ layers. (biomedcentral.com)
  • However, all developmental processes originate from pluripotent precursor cell types. (amegroups.org)
  • The process of generating thrombocytes (BLOOD PLATELETS) from the pluripotent HEMATOPOIETIC STEM CELLS in the BONE MARROW via the MEGAKARYOCYTES. (bvsalud.org)
  • Malignant transformation usually occurs at the pluripotent stem cell level, although it sometimes involves a committed stem cell with more limited capacity for self-renewal. (msdmanuals.com)
  • Thus, the expression of miR-103-3p decreases in MDS BM plasma and MDS-MSCs, significantly impacting MDS-MSCs differentiation. (techscience.com)
  • Retroviral transduction of a dominant negative CREB mutant reduced C/EBPβ mRNA levels and significantly impaired the proliferation/differentiation of granulocyte precursors, while a constitutively active form of CREB facilitated C/EBPβ transcription. (harvard.edu)
  • Similarly, cell production in LTBMC prepared from marrow exposed to either 10 or 30 Gy FxRT was significantly dampened for at least 3 weeks following the FxRT. (iiarjournals.org)
  • Real‑time quantitative PCR and western blot analysis showed that in the MM cell lines with high endogenous miR‑21 expression (RPMI8226 and KM3), SPRY2 expression was significantly lower. (spandidos-publications.com)
  • Lysed IE significantly inhibited gEC growth at 48 and 72 h and cell division resulting in the accumulation of cells in G0 phase. (biomedcentral.com)
  • We found that JOA at lower concentration significantly inhibited the proliferation of CML cells expressing mutant BCR-ABL (T315I mutation included) and wild-type BCR-ABL, which was due to that JOA induced the cell differentiation and the cell cycle arrest at G0/G1 phase. (jcancer.org)
  • 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)
  • This research will lead to critical insights into the basic biology of hematopoietic stem cell function, including how inflammation may contribute to hematologic changes seen in aging and cancer. (texaschildrens.org)
  • In his early career Dr. Cogle discovered that blood stem cells make blood vessels and used that biology to invent new therapeutics and diagnostics for people with cancer and heart disease. (ufl.edu)
  • He is the recipient of numerous awards, including the Japan Society for Cell Biology Best Presentation Award for Young Talent (2015) and the Young Investigator Award of the Japanese Cancer Association (2019). (healthist.net)
  • Autophagy is an intracellular degradation system that ensures a dynamic recycling of a variety of building blocks required for self-renewal, homeostasis, and cell survival under stress. (hindawi.com)
  • Furthermore, activation of autophagy allows to extend cell survival when exposed to different types of stressors such as starvation or cytotoxic drugs. (hindawi.com)
  • While the importance of autophagy for cell homeostasis and survival has long been appreciated, its role in tumorigenesis and cancer progression is still developing [ 10 , 11 ]. (hindawi.com)
  • This work provides insight into how immune cells are sustained during infection, when the demand for immune effector cells is dramatically increased. (texaschildrens.org)
  • As the immune cells of the central nervous system (CNS), microglia could influence neurogenesis through the M1 and M2 subtypes, and these may promote depressive-like behaviors. (frontiersin.org)
  • Microglial cells are the brain's immune cells in the CNS. (frontiersin.org)
  • The production of distinct blood cell types can be selectively adapted to meet an individual's acute needs, such as for instance the rapid and enhanced generation of innate immune cells following infection. (lu.se)
  • Multiple myeloma (MM) is a type of malignant plasma cell and has a high incidence in malignant tumors of the blood system, accounting for ~2% of the total mortality of cancer ( 1 ). (spandidos-publications.com)
  • The proliferation, differentiation, migration, and engraftment of hematopoietic stem cells are discussed, and thereby raise a number of unresolved problems and points-to-consider. (go.jp)
  • CN-AML is not usually inherited but arises from genetic changes in the body's cells that occur after conception. (medlineplus.gov)
  • The 2016 World Health Organization (WHO) classification of lymphoid neoplasms incorporates genetic data, clinical features, cell morphology, and immunophenotype, all of which have important implications for disease prognosis and management. (msdmanuals.com)
  • Hematopoietic stem cells in the bone marrow sustain their own maintenance and give rise to "transit amplifying", lineage committed cells that terminally differentiate into distinct, mostly short-lived cell types. (mdc-berlin.de)
  • A ) CD34 + cells from human neurogenic heterotopic ossification (NHO) were isolated using immunomagnetic cell separation and induced to differentiate into macrophages for 2 weeks in specific medium. (jci.org)
  • GS-2 iPSCs showed the capacity to differentiate into cells of the hematopoietic lineage. (biomedcentral.com)
  • The cells on the outside differentiate into vascular endothelial cells, while those on the inside differentiate into blood. (healthist.net)
  • Especially in cases where sufficient cells cannot be obtained due to the rarity of the disorder, iPSC models have shown great potential in providing research material to develop new treatments or diagnostics, but also to study the pathophysiology of the diseases [ 10 , 12 ]. (biomedcentral.com)
  • The paradox is that the mutation provides advantage at the stem cell level and progenitor cells, with a disadvantage at the level of hematopoietic precursors. (standardofcare.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)
  • 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)
  • All-trans retinoic acid (RA) is the most active metabolite of vitamin A. Several studies have described a pivotal role for RA signalling in different biological processes such as cell growth and differentiation, embryonic development and organogenesis. (mdpi.com)
  • Blood vessels play a part in the transport of nutrients and oxygen to cells and tissues, while vascular endothelial cells themselves preserve the body's homeostasis by secreting substances that contribute to tissue maintenance in the process of their differentiation and proliferation (blood vessel formation). (healthist.net)
  • The hemostatic system consists of platelets, coagulation factors, and the endothelial cells lining the blood vessels. (medscape.com)
  • Under physiological circumstances, the resistance of the endothelial cell lining to interactions with platelets and coagulation factors prevents thrombosis. (medscape.com)
  • Particularly affected was ezrin (phosphorylated at Thr567), which is normally localized to gEC cell extension peripheral processes. (biomedcentral.com)
  • We have established an influence of both compromised genomic maintenance (nuclear and mitochondrial), and alterations in external growth control to these processes, which also have direct relevance for the stability and potential reversibility of the aging stem cell state. (lu.se)
  • JOA displayed the activity of inhibiting the BCR-ABL and promoted differentiation of not only imatinib -sensitive but also imatinib -resistant cells with BCR-ABL mutation, which could become a potent lead compound to overcome the imatinib -resistant induced by inhibitors of BCR-ABL tyrosine kinase in CML therapy. (jcancer.org)
  • Stem cells are cells with a low degree of differentiation that have the capacity to reproduce and can generate differentiated cells of several different types of tissues 1 . (bvsalud.org)
  • Interestingly, captopril was unable to reduce the proportion of SA2 leukaemic cells in S-phase Captopril on its own at therapeutic doses reduced the proportion of HPP-CFC- 1 in S-phase in vivo regardless of the insult used to induce HPP-CFC-1 into cell cycle. (st-andrews.ac.uk)
  • Different growth factor requirements for the ex vivo amplification of transplantable human cord blood cells in a NOD/SCID mouse model. (unito.it)
  • Granulocyte colony-stimulating factor (G-CSF) is a member of the CSF family of glycoproteins that regulate hematopoietic cell proliferation, differentiation, and function. (stemcell.com)
  • 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)
  • Negative regulatory factors inhibit the proliferation of haematopoietic stem cells thus protecting them from differentiation pressures. (st-andrews.ac.uk)
  • However, it did not affect AcSDKP levels in cultures derived from 5 FU and 2 Gy treated mice, AcSDKP together with captopril were shown to inhibit S-phase cell entry of HPP-CFC-1 when they were incubated with bone marrow cells derived from mice treated with either 2 Gy-γ-irradiation or cytotoxic drug insults. (st-andrews.ac.uk)
  • The bone marrow stromal cell (BMSC) population, which makes up a large part of the hematopoietic microenvironment, encompasses a variety of adherent cell types. (techscience.com)
  • We demonstrate that oncostatin M (OSM) produced by activated macrophages promotes osteoblastic differentiation and mineralization of human muscle-derived stromal cells surrounding NHOs. (jci.org)
  • 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)
  • 2.10 5 /well/500 μl) differentiated from NHO CD34 + cells (NHOmac). (jci.org)
  • C ) Mononuclear cells from human NHO marrows were analyzed by flow cytometry for mac markers, as in A . ( D ) Medium conditioned by activated macrophages from human NHO stimulate NHO-MDSC mineralization. (jci.org)
  • In that purpose, CD14 + monocytes/macrophages from human NHO were isolated using immunomagnetic cell separation and cultured with or without LPS (100 ng/ml) for 3 days. (jci.org)
  • A) The biological activity of Human Recombinant G-CSF, ACF was tested by its ability to promote the proliferation of mouse NFS-60 cells. (stemcell.com)
  • This study describes the first comparative phosphoproteome analysis of growing erythroid cells (gECs), derived from human haematopoietic stem cells, exposed to lysates of infected erythrocytes (IE)/uninfected erythrocytes (UE) for 24, 48 and 72 h. (biomedcentral.com)
  • We observed that some AML patient samples are resistant to killing by human engineered cytotoxic CD4 + T cells. (bvsalud.org)
  • Cord Blood-Derived Quiescent CD34+ Cells Are More Transcriptionally Matched to AML Blasts Than Cytokine-Induced Normal Human Hematopoietic CD34+ Cells. (ox.ac.uk)
  • Hematopoietic stem and progenitor cells (HSPCs) isolated from human blood are frequently used as a normal comparator in AML studies. (ox.ac.uk)
  • Dysfunctional blood cell development can have fatal consequences on human health, with implications for several key areas of modern medicine, including amongst others the broad research areas of oncology and immunology. (lu.se)
  • The objective of this study is to isolate and characterize stem cells from the pulp of permanent third molars and analyze the cells obtained in terms of their morphology and chondrogenic, osteogenic and adipogenic cell differentiation. (bvsalud.org)
  • Results: It was observed that the pulp stem cells exhibited the capacity to adhere to plastic and a high rate of expansion and, after detection with specific stains, it was shown that the cells were capable of differentiation into osteoblasts and chondroblasts, but not into adipocytes. (bvsalud.org)
  • Little is known about molecular mecha- desmosomal glycoproteins, resulting in the nisms affecting mast cell and T lympho- loss of keratinocyte cell-cell adhesion [ 1 ]. (who.int)
  • Criteria for diagnosis of MDS consist of anemia, thrombocytopenia, or neutropenia that persist for six months or longer, dysplasia greater than 10% in at least one bone marrow cell lineage, and MDS associated clonal cytogenetic abnormalities or molecular markers. (standardofcare.com)
  • When the bone marrow hematopoietic cells are mostly clonally derived cells, the disease is clinically manifested as cytopenia and morphologic dysplasia. (standardofcare.com)
  • The host immune system can be viewed as a product of hematopoietic stem cells that reside in the bone marrow. (texaschildrens.org)
  • We are interested in the ways that such short term hematopoietic stem cell responses may ultimately contribute to syndromes of bone marrow dysfunction that are related to infection or inflammation, such as bone marrow suppression following tuberculosis and HIV/AIDS or acquired aplastic anemia as a result of EBV infection. (texaschildrens.org)
  • Comparison of toxicity of benzene metabolite hydroquinone in hematopoietic stem cells derived from murine embryonic yolk sac and adult bone marrow. (cdc.gov)
  • Moreover, while cell production in LTBMC derived from marrow exposed to 10 Gy was eventually restored to normal, the dampened cell production observed in LTBMC prepared after 30 Gy FxRT persisted for a period in excess of 17 weeks. (iiarjournals.org)
  • In addition, ACE resistant AcSDKP analogue (AcSDPψKP) when incubated with bone marrow cells in the absence of captopril also reduced the proportion of GM-CFC in S-phase. (st-andrews.ac.uk)
  • Incubation alone reduced the proportion of HPP-CFC-1 in S-phase in cytotoxic drug treated bone marrow cells. (st-andrews.ac.uk)
  • When cultures, which were incubated with captopril, were assayed for AcSDKP levels, captopril induced an increase in AcSDKP levels in both control normal bone marrow cells and cells derived from Ara-C treated mice. (st-andrews.ac.uk)
  • Long-term bone marrow cultures revealed that captopril and AcSDxj/KP had the same effect on cellularities of both layers and on the proliferation of HPP-CFC and GM-CFC in both layers. (st-andrews.ac.uk)
  • leading to the release or mobilization of hematopoietic stem cells from the bone marrow into the periphery. (stemcell.com)