• WAT is characterised by its capacity to adapt and expand in response to surplus energy through processes of adipocyte hypertrophy and/or recruitment and proliferation of precursor cells in combination with vascular and extracellular matrix remodelling. (springer.com)
  • PMF is characterized by proliferation predominantly of bone marrow megakaryocytes and granulocytes, resulting in deposition of fibrous connective tissue, and often associated with peripheral blood leukoerythroblastosis, cytopenias, and constitutional symptoms. (oncohemakey.com)
  • Transplanted murine bone marrow (BM) progenitor cells stimulate endogenous beta cell proliferation and insulin production. (uwo.ca)
  • Transplantation of ALDHhl cells improved systemic hyperglycemia via increased islet vascularization and proliferation resulting in increased islet size, but not islet number. (uwo.ca)
  • It stimulates the survival, proliferation, differentiation and function of neutrophil granulocyte progenitor cells and mature neutrophils. (allindianpatents.com)
  • describes a novel colony stimulating factor (CSF) that has the ability to promote the differentiation and proliferation of human bone marrow cells to neutrophils, and a method to produce the same from a novel cell line which has been established from tumor cells in patients with oral cancer, The most published studies have used filgrastim as it was the first form of G-CSF to be approved. (allindianpatents.com)
  • 1 Neural stem/progenitor cell proliferation and differentiation: role of sonic hedgehog and wingless/int-1 proteins. (vinastemcelllab.com)
  • 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)
  • Acute Myeloid Leukemia (AML) In acute myeloid leukemia (AML), malignant transformation and uncontrolled proliferation of an abnormally differentiated, long-lived myeloid progenitor cell results in high circulating numbers. (msdmanuals.com)
  • In vitro screening of exogenous factors for human neural stem/progenitor cell proliferation using measurement of total ATP content in viable cells. (okano-lab.com)
  • Essential role of Shp2-binding sites on FRS2{alpha} for corticogenesis and for FGF2-dependent proliferation of neural progenitor cells. (okano-lab.com)
  • Enhanced proliferation of progenitor cells in the subventricular zone and limited neuronal production in the striatum and neocortex of adult macaque monkeys after global cerebral ischemia. (okano-lab.com)
  • Proliferation-linked shifts in eligibility of T-cell progenitors, population dynamics, DN1 cells to undergo specification thus control kinetics of T-cell generation. (lu.se)
  • Considerably, while differentiation of HSC to multipotent progenitors (MPP) is normally associated with elevated proliferation and lack of self-renewal activity [4]C[6], change and mobilization of HSC induces proliferation without lack of self-renewal potential, demonstrating a proliferative condition will not preclude maintenance of long-term self-renewal highly. (abic2004.org)
  • However, counting CD34+ mononuclear cells may overestimate myeloid blasts in bone marrow smears due to hematogones (B lymphocyte precursors) and CD34+ megakaryocytes. (wikipedia.org)
  • Although these disorders share certain clinical features-including bone marrow hypercellularity, frequent splenomegaly, and risks of thrombosis, hemorrhage, and transformation to acute myeloid leukemia (AML)-they also show important phenotypic differences. (oncohemakey.com)
  • Moreover, in human studies, JAK2V617F has been identified in the stem cell-enriched CD34 + CD38 − CD90 + Lin − compartment, common myeloid progenitors, granulocyte-monocyte precursors, and megakaryocyte-erythroid precursors as well as natural killer cells, B cells, and T cells in some patients, confirming its origin in an early hematopoietic progenitor. (oncohemakey.com)
  • Preemptive immunotherapy in childhood acute myeloid leukemia for patients showing evidence of mixed chimerism after allogeneic stem cell transplantation. (shengsci.com)
  • Previous studies have shown that children with acute myeloid leukemia (AML) who developed mixed chimerism (MC) were at high risk for relapse after allogeneic stem-cell transplantation (allo-SCT). (shengsci.com)
  • Since engraftment occurs in the absence of exogenous cytokine treatment, the BM- SCID-hu mouse model described should provide a useful in vivo system for studying factors important in the maturation of human myeloid and lymphoid cells in the bone marrow and the behavior of the mature human cells after dissemination into the peripheral lymphoid tissue. (elsevierpure.com)
  • Neupogen is indicated for the reduction in the duration of neutropenia and the incidence of febrile neutropenia in patients treated with established cytotoxic chemotherapy for malignancy (with the exception of chronic myeloid leukaemia and myelodysplastic syndromes) and for the reduction in the duration of neutropenia in patients undergoing myeloablative therapy followed by bone marrow transplantation considered to be at increased risk of prolonged severe neutropenia. (medicines.org.uk)
  • In this assay hematopoietic cells are cultured in MyeloCult™ medium with supportive human or mouse stromal cell layers and tested for their ability to generate myeloid clonogenic progenitors for several weeks as assayed by replating the cells in a colony-forming unit (CFU) assay using MethoCult™ medium. (stemcell.com)
  • I have expertise in novel therapies for acute myeloid leukemia, stem cell mobilization and homing, as well as stem cell transplantation. (rochester.edu)
  • And, malignancy in the myeloid lineage that includes precursor cells to red blood cells, platelets and white blood cells such as granulocytes. (medgadget.com)
  • Although engraftment of irradiated C.B-17 scid/scid (SCID) mice with human progenitor cells occurred after infusion with human pediatric bone marrow cells, significant engraftment of the mouse bone marrow with human cells was dependent upon continuous treatment with exogenous human cytokines. (elsevierpure.com)
  • Immature B cells from normal mouse bone marrow were not responsive to the suppressive effect of androgens unless they were cocultured with marrow stromal cells or with supernatants from androgen-treated stromal cells, suggesting that the androgen effects are exerted through marrow stromal elements by production of a diffusible mediator. (jci.org)
  • Mesenchymal stromal cell (MSC) transplantation therapy is a promising therapy for stroke patients. (biomedcentral.com)
  • Establish stromal cell layers and culture hematopoietic progenitors in "Dexter-type" long-term bone marrow cultures. (stemcell.com)
  • Effects of hematopoietic stem cell adhesion on marrow stromal cell cytokine p. (rochester.edu)
  • The stromal cell requirement for androgen-mediated effects was confirmed in vivo by experiments using chimeric animals created by bone marrow transplantation in which androgen receptor expression was restricted to either the stromal or lymphoid cells of the bone marrow. (jci.org)
  • 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)
  • Stem cell transplantation is performed after high-dose chemotherapy (HDC) to restore a cancer patient's blood and immune cell production capacity. (bdbiosciences.com)
  • After harvesting, the patient is given high dose chemotherapy or radiotherapy and the bone marrow function is reconstituted by infusion of the cells harvested earlier. (justia.com)
  • Mobilization human CD34+ cells for the purpose of donor (allogeneic) transplantation after high-dose chemotherapy is currently performed using a 4-5-day treatment cycle with G-CSF and a 1-2 day apheresis procedure. (biokine.com)
  • G-CSF decreases the morbidity of cancer chemotherapy by reducing the incidence of febrile neutropenia, the morbidity of high-dose chemotherapy supported by marrow transplantation, and the incidence and duration of infection in patients with severe chronic neutropenia. (allindianpatents.com)
  • 2 HSCs are primarily found in bone marrow niches, but a small fraction of HSCs can also be found in the peripheral blood. (bdbiosciences.com)
  • 3 Following exogenous stimulation, such as chemotherapy or using growth factors such as granulocyte colony stimulating factor (G-CSF) and filgrastim, the number of HSCs in the peripheral blood increases, either becoming on par or even exceeding the number in the bone marrow. (bdbiosciences.com)
  • This pharmacologically induced egress of HSCs into peripheral blood, called mobilization, is utilized as the preferred strategy for generating HSCs for transplantation. (bdbiosciences.com)
  • 3 Autologous stem cell transplantation almost exclusively uses peripheral blood, while for allogeneic SCT, T-lymphocytes in the peripheral blood could pose some danger. (bdbiosciences.com)
  • Between February 1986 and March 1990, 56 patients with relapsed Hodgkin's disease treated with high-dose cyclophosphamide, carmustine, and etoposide (CBV) received an autologous peripheral stem cell transplantation (PSCT) rather than an autologous bone marrow transplantation (ABMT) because each patient had a marrow abnormality, either hypocellularity or tumor involvement. (shengsci.com)
  • In the present study, after infusion of irradiated SCID mice with pre-cultured human fetal bone marrow cells (BM-SCID-hu mice), their bone marrow became significantly engrafted with human precursor cells and their peripheral lymphoid compartment became populated with human B cells and monocytes independently of the administration of extraneous human cytokines. (elsevierpure.com)
  • Neupogen is indicated for the mobilisation of peripheral blood progenitor cells (PBPCs). (medicines.org.uk)
  • Improved methods and pharmaceutical compositions are provided herein for mobilizing hematopoietic progenitor cells from bone marrow into peripheral blood, comprising the administration of an effective amount of an inhibitor of GTPases, such as Rac1 and Rac2 alone or in combination. (justia.com)
  • The present invention relates generally to improved methods and pharmaceutical compositions for mobilizing hematopoietic stem and progenitor cell from bone marrow into peripheral blood by administration of at least one inhibitor of a GTPase, such as Rac1 and/or Rac2 GTPase. (justia.com)
  • In such procedures, patients undergo successive treatments with cell mobilization agents to cause mobilization of hematopoietic progenitor cells from the bone marrow to the peripheral circulation for harvesting. (justia.com)
  • Following intravenous administration of a first-generation LV into adult mice, we found that bone marrow exhibited the highest levels of transgene among nine organs examined, with more than 10% green fluorescent protein-positive (GFP+) cells detected in peripheral blood leukocytes (PBL) in these mice [9]. (eyesoftheelephants.com)
  • Examination of peripheral blood smear and bone marrow is usually diagnostic. (msdmanuals.com)
  • CD34, a transmembrane phosphoglycoprotein, is present on immature hematopoietic precursor cells and all hematopoietic colony-forming cells in bone marrow and blood, including unipotent and pluripotent progenitor cells. (bdbiosciences.com)
  • Several lines of evidence support the hypothesis that gonadal steroids exert effects on the development of B cells in bone marrow. (jci.org)
  • For many hematopoietic malignancies, collection and infusion of CD34+ hematopoietic stem/progenitor cells following chemotherapy is critical. (bdbiosciences.com)
  • 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)
  • To enrich for analogous human progenitor cells, we purified human umbilical cord blood (UCB) and BM based on high aldehyde dehydrogenase activity (ALDHhl), a conserved function in multiple progenitor lineages. (uwo.ca)
  • They have already committed to a particular differentiation pathway, meaning they are destined to become a specific type of cell, such as a red blood cell, white blood cell, or platelet in the case of hematopoietic progenitor cells. (thenoveldifference.com)
  • In clinical practice, these involve the life-long immunosuppression of the organ transplantation patients, the creation of the supporting environment for engineered tissues in the mended organ, the unsolved issues of cell survival and differentiation of the cell-based therapy, and the selection and development of vectors for gene therapy. (biomedcentral.com)
  • 5 Differentiation of periodontal stem/progenitor cells: roles of tgf-β1. (vinastemcelllab.com)
  • For instance, during stem cell differentiation, which is necessary for normal bloodstream cell creation, HSC leave quiescence to create older multi- and oligopotent progenitor cells, with concurrent lack of self-renewal potential and gain in proliferative activity [3]. (abic2004.org)
  • The presence of CD34 on non-hematopoietic cells in various tissues has been linked to progenitor and adult stem cell phenotypes. (wikipedia.org)
  • In an adult, roughly half of the bone marrow is still red. (medscape.com)
  • It is well-described that leptin receptor (LepR) + perivascular stromal cells provide a major source of bone-forming osteoblasts in adult and aged bone marrow. (nature.com)
  • It was also observed by others that a significant transgene signal was detected in the bone marrow (BM) by PCR analysis in adult mice of systemic administration of HIV-biased LV [10]. (eyesoftheelephants.com)
  • Here we show that the impaired neovascularization in mice lacking eNOS is related to a defect in progenitor cell mobilization. (nih.gov)
  • Mice deficient in eNOS (Nos3(-/-)) show reduced vascular endothelial growth factor (VEGF)-induced mobilization of endothelial progenitor cells (EPCs) and increased mortality after myelosuppression. (nih.gov)
  • Intravenous infusion of wild-type progenitor cells, but not bone marrow transplantation, rescued the defective neovascularization of Nos3(-/-) mice in a model of hind-limb ischemia, suggesting that progenitor mobilization from the bone marrow is impaired in Nos3(-/-) mice. (nih.gov)
  • Mechanistically, matrix metalloproteinase-9 (MMP-9), which is required for stem cell mobilization, was reduced in the bone marrow of Nos3(-/-) mice. (nih.gov)
  • Under normal conditions the CXCR4 pathway regulates the hematopoietic stem cell niche in the bone marrow (BM)-a property that has led to the approval of the CXCR4 antagonist plerixafor together with G-CSF (AMD3100, Mozobil) for mobilization from the BM and collection of hematopoietic precursors from the blood for transplantation of myeloma and lymphoma patients. (biokine.com)
  • We have recently demonstrated in a Phase I study in healthy volunteers that single dose of the CXCR4 antagonist BL-8040 induces a rapid and robust mobilization and mega dose collection of human CD34+ stem and progenitor cells. (biokine.com)
  • A Phase 3, randomized, double-blind, placebo-controlled, multicenter study, evaluating the safety, tolerability and efficacy of BL-8040 in combination with G-CSF, compared to placebo and G-CSF, for the mobilization of CD34 cells for autologous transplantation in multiple myeloma patients have already initiated. (biokine.com)
  • In addition cIAP1 Ligand-Linker Conjugates 14 to HSC, bone marrow contains mesenchymal stem/progenitor cells (MSC), which can differentiate into mature cells of multiple mesenchymal tissues cIAP1 Ligand-Linker Conjugates 14 including fat, bone, and cartilage. (eyesoftheelephants.com)
  • Cell therapy is currently emerging as a potential new treatment for post MI patients with the assumption that recolonization of the areas of scarred myocardium with exogenously supplied surrogates or precursors of cardiomyocytes can restore function and ultimately affect clinical outcomes. (escardio.org)
  • In experimental and clinical studies unselected mononuclear bone marrow cells as well as specific subpopulations have been used for transplantation. (escardio.org)
  • Overall, this evidence has suggested that progenitor cell treatment may be a promising intervention, but robust data on clinical outcomes are lacking. (southcarolinablues.com)
  • In this study, we performed IgH HTS on the diagnostic bone marrow of 105 children treated between 2004 and 2008 in Belgium for BCP-ALL in the European Organization for Research and Treatment of Cancer (EORTC)-58951 clinical trial. (frontiersin.org)
  • No obvious correlations between clinical parameters, including age, karyotype, existence of paroxysmal nocturnal hemoglobinuria clones, pretreatment blood counts, progenitor cell counts, and the response to immunosuppressive therapy (IST), were found. (springermedizin.at)
  • On one end, the clinical spectrum includes an acute, fulminant, disseminated disease called Letterer-Siwe disease, and, on the other end, solitary or few, indolent and chronic lesions of bone or other organs called eosinophilic granulomas . (medscape.com)
  • The intermediate clinical form called Hand-Schüller-Christian disease is characterized by multifocal, chronic involvement and classically presents as the triad of diabetes insipidus, proptosis, and lytic bone lesions. (medscape.com)
  • The CD34 protein is a member of a family of single-pass transmembrane sialomucin proteins that show expression on early haematopoietic and vascular-associated progenitor cells. (wikipedia.org)
  • The mobilisation and apheresis procedures should be performed in collaboration with an oncology-haematology centre with acceptable experience in this field and where the monitoring of haematopoietic progenitor cells can be correctly performed. (medicines.org.uk)
  • Several preliminary reports have demonstrated that local stem cell transplantation in patients with acute myocardial infarction is safe and may lead to improved myocardial function and perfusion. (escardio.org)
  • Relevance: Acute leukemia arises because abnormal white cell precursors proliferate within special growth zones within the bone marrow. (cancer.gov)
  • Progenitor cell therapy is being investigated for the treatment of damaged myocardium resulting from acute or chronic cardiac ischemia and for refractory angina. (southcarolinablues.com)
  • For individuals who have acute cardiac ischemia who receive progenitor cell therapy, the evidence includes 2 randomized controlled trials (RCTs) with 200 patients, numerous small RCTs, and meta-analyses of these RCTs. (southcarolinablues.com)
  • however, because lymphoblastic lymphoma and acute lymphoblastic leukemia (ALL) are known to represent the same disease entity, the World Health Organization (WHO) classification has unified these entities as precursor B-cell and T-cell lymphoblastic leukemia/lymphoma. (medscape.com)
  • Immunoglobulin Heavy Chain High-Throughput Sequencing in Pediatric B-Precursor Acute Lymphoblastic Leukemia: Is the Clonality of the Disease at Diagnosis Related to Its Prognosis? (frontiersin.org)
  • High-throughput sequencing (HTS) of the immunoglobulin heavy chain ( IgH ) locus is a recent very efficient technique to monitor minimal residual disease of B-cell precursor acute lymphoblastic leukemia (BCP-ALL). (frontiersin.org)
  • B-cell precursor acute lymphoblastic leukemia (BCP-ALL) is the most common pediatric neoplasm ( 1 , 2 ). (frontiersin.org)
  • Conversely, under other circumstances CD34 has been shown to act as molecular "Teflon" and block mast cell, eosinophil and dendritic cell precursor adhesion, and to facilitate opening of vascular lumina. (wikipedia.org)
  • Both types of bone marrow are highly vascular, being enriched with numerous blood vessels and capillaries. (medscape.com)
  • 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)
  • Progenitor cells are often located within specific tissues, close to where they will ultimately function. (thenoveldifference.com)
  • 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)
  • Until now, several progenitor cells derived from dental tissues have been isolated and characterized ( table I ). (bvsalud.org)
  • The proliferations of EPCs isolated from bone marrow of C57BL/6J mice were assessed by MTT after incubating the EPCs with a series of concentrations of CSE (1.0%, 2.5%, 5.0%, and 10.0%) for different times (3, 6, and 24 hours) as well as with 1.0% CSE in presence of 5-AZA-CdR for 24 hours. (hindawi.com)
  • Examination of the bone marrow of the BM-SCID-hu mice for human cytokine mRNA gene expression demonstrated human leukemia inhibitory factor mRNA and interleukin 7 mRNA in nine of nine BM-SCID-hu mice and macrophage-colony-stimulating factor mRNA in seven of eight BM-SCID-hu mice. (elsevierpure.com)
  • Recently, we exhibited detectable levels of transgene (up to 3.9%) in PBL of mice 4 months after secondary bone marrow transplantation (BMT) of HSC transduced by delivery of LV in newborn pups [11]. (eyesoftheelephants.com)
  • Castration of normal male mice induces expansion of the bone marrow B cell population, an effect that can be reversed by androgen replacement. (jci.org)
  • Diabetic mice were transplanted with HSCs and insulin-producing cells (IPCs) via the tail vein after destroying the bone marrow. (vinastemcelllab.com)
  • 14 Pluripotent cell-derived glial precursor cells for the delivery of therapeutic proteins to the central nervous system. (vinastemcelllab.com)
  • Polyclonal T-cell reconstitution of X-SCID recipients after in utero transplantation of lymphoid-primed multipotent progenitors. (ox.ac.uk)
  • We employed in vitro cultures and two in vivo models to investigate whether androgens exert these effects directly on marrow lymphoid precursors or whether actions on marrow stromal elements are required. (jci.org)
  • Our findings were subsequently tested by in vitro experiments, where putative early and later-stage DN1 progenitors from the thymus were purified and their pro- gression into DN2 was measured. (lu.se)
  • The proposed tolerance of the fetal immune system to foreign human leukocyte antigen early in gestation, a main rationale behind IUHCT, has recently been challenged by evidence for a considerable immune barrier against in utero transplanted allogeneic bone marrow cells. (ox.ac.uk)
  • Bone marrow first appears in the clavicle near the end of fetal life and becomes active about 3 weeks later. (medscape.com)
  • In vivo PET measurements with [11C]PE2I to evaluate fetal mesencephalic transplantation to unilateral 6-OHDA-lesioned rats. (okano-lab.com)
  • Endothelial progenitor cells (EPCs) contribute to neovascularization and play an important role in the development of these diseases. (hindawi.com)
  • The bone-marrow-derived endothelial progenitor cells (EPCs) provide an alternative source of endothelial cells (ECs) that contributes to neovessel formation in endothelium structure [ 4 , 5 ]. (hindawi.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)
  • Progenitor cells are being explored for various therapeutic applications, including tissue engineering and regenerative medicine. (thenoveldifference.com)
  • Downloaded from periodic thymic colonization by progenitor cells guarantees stage. (lu.se)
  • 2 Evaluation of harvest adequacy requires the use of reliable progenitor cell assays and this is usually achieved by CD34 cell counting using flow cytometry. (bdbiosciences.com)
  • In this study, we aimed to clarify whether combination therapy of intracerebral transplantation of human modified bone marrow-derived MSCs, SB623 cells, and voluntary exercise with running wheel (RW) could exert synergistic therapeutic effects on a rat model of ischemic stroke. (biomedcentral.com)
  • Granulocyte colony stimulating factor (G-CSF) is a 20 kDa glycoprotein cytokine that stimulates growth and development of granulocyte progenitors in the bone marrow (Nagata et al. (allindianpatents.com)
  • Drosophila Caspase transduce Shaggy/GSK-3beta activity in neural precursor development. (okano-lab.com)
  • Although several subtypes of T-cell lymphoblastic leukemia/lymphoma exist, early T-cell precursor lymphoblastic leukemia (ETP-ALL) is the only subtype recognized as an entity in the revised 2016 WHO tumor classification. (medscape.com)
  • Flow cytometric enumeration of CD34+ HSCs and progenitor cells is an established method for the evaluation of bone marrow and stem cell grafts. (bdbiosciences.com)
  • Here, we summarise the mechanisms contributing to adipose tissue (AT) plasticity and function including characteristics and cellular complexity of the various adipose depots and we discuss recent insights into AT origins, identification of adipose precursors, pathophysiological regulation of adipogenesis and its relation to WAT/BAT expandability in obesity and its associated comorbidities. (springer.com)