نتایج جستجو برای: cd34 ussc cells
تعداد نتایج: 1386091 فیلتر نتایج به سال:
Background: Human embryonic stem cells (hESCs) are capable of self-renewal and large-scale expansion. They also have the capacity to differentiate into a variety of cell types including liver, cardiac and neuron cells. However, it is not yet clear whether hESCs can differentiate to hemangioblasts under in-vitro conditions. Hemangioblasts are bipotential progenitors that can generate hematopoiet...
Many investigators have used xenogeneic, especially murine stromal cells and fetal calf serum to maintain and expand human stem cells. The proliferation and expansion of human hematopoietic stem cells in ex vivo culture were examined with the goal of generating a suitable protocol for expanding hematopoietic stem cells for patient transplantation. Using primary fetal liver cells, we established...
Unrestricted somatic stem cells (USSCs) have been recently identified in human umbilical cord blood and have been shown to differentiate into lineages representing all 3 germ layers. To characterize microRNAs that may regulate osteogenic differentiation of USSCs, we carried out expression analysis for 157 microRNAs using quantitative RT-PCR before and after osteogenic induction (t = 0.5, 24, 72...
many investigators have used xenogeneic, especially murine stromal cells and fetal calf serum to maintain and expand human stem cells. the proliferation and expansion of human hematopoietic stem cells in ex vivo culture were examined with the goal of generating a suitable protocol for expanding hematopoietic stem cells for patient transplantation. using primary fetal liver cells, we established...
Chemoresistant human CD34 ?/lo /CD38 + MLL leukemic stem cells originate from HSCs and can be resensitized by targeting ABCC3 with fidaxomicin.
Chimeric antigen receptor T (CAR-T) cell therapy has led to a paradigm change in cancer treatment. To allow widespread use of this therapy, it is important reduce the costs associated with cells manufacturing whilst ensuring high-quality production. Online biosensors can help monitor real time effectiveness engineering CAR-T cells, possibility be integrated on workflow without need extract samp...
ex vivo expansion of human umbilical cord blood cells (hucbc) is explored by several investigators to enhance the repopulating potential of hucbc. the proliferation and expansion of human hematopoietic stem cells (hsc) in ex vivo culture was examined with the goal of generating a suitable clinical protocol for expanding hsc for patient transplantation. using primary human mesenchymal stem cells...
Introduction: Leukemia is a heterogeneous malignant disease in which progression at the level of CD34+ cells has a major impact in drug resistance and relapse. The multi-drug resistance gene product, P-glycoprotein is an inhibitor of apoptosis proteins (IAPs), such as Survivin that are expressed simultaneously with several putative drug resistance parameters in CD34+ leukemia cells. In fact, IA...
objective: the present study examines the effects of increased heat shock proteins expression in mda-mb468 adeno-carcinoma cells on expansion and differentiation of hematopoetic stem cells from human umbilical cord blood. materials and methods: highly purified human cd34+ cells (magnetic bead isolation) derived from umbilical cord blood were cultured, under three conditions, in the presence of ...
Several studies have previously demonstrated enrichment in primitive progenitor cells in subfractions of CD34+ bone marrow (BM) cells not expressing CD38 or HLA-DR (DR) antigens. However, no studies have directly compared these two cell populations with regard to their content of primitive and more committed progenitor cells. Flow cytometric analysis of immunomagnetic isolated CD34+ cells demon...
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