نتایج جستجو برای: cord blood
تعداد نتایج: 754773 فیلتر نتایج به سال:
new blood forming vessels are produced by differentiation of mesodermal precursor cells to angioblasts that become endothelial cells (ecs) which in turn give rise to primitive capillary network. human cord blood (hcb) contains large subsets of mononuclear cells (mncs) that can be differentiated into endothelial-like cells in vitro. human mononuclear progenitor cells were purified from fresh umb...
Introduction: Human hematopoietic stem cells (hHSCs) have been used for transplantation in hematologic failures. Because the number of hHSCs per cord blood unit is limited, the expansion of these cells is important for clinical application. It has been reported that cytokines and feeder layer provide a perspective to in vitro expansion of hHSCs. In this regard, cord blood CD34+ cells ex...
Umbilical cord blood is an alternative hematopoietic stem cell source for patients with hematologic diseases who can be cured by allogeneic hematopoietic cell transplantation. Initially, umbilical cord blood transplantation was limited to children, given the low cell dose infused. Both related and unrelated cord blood transplants have been performed with high rates of success for a variety of h...
Aims: Umbilical cord blood (UCB) has been recently considered as an alternative source of hematopoitic progenitor cells for clinical application. The parameters commonly used to evaluate a UCB unit and predict transplant outcomes have been total nucleated cell count (TNCs), CD34+ cells concentration and total volume of cord blood collected. The volume of cord blood collection is also important ...
Background: The presence of increased numbers of nucleated red blood cell (NRBC) in the umbilical cord blood has been associated with states of relative hypoxia. Nucleated red blood cell counts are a potentially useful tool in estimating the degree and timing of intrauterine hypoxia. This may have important implication in determining causality in case of compromised infant. Cord blood NRBC coun...
Background & Aims: Maternal anemia in pregnancy is a considerable risk factor for both mother and fetus. Growth retardation, intra uterine fetal death, maternal cardiovascular symptoms and reduction in blood supply are among outcomes of maternal anemia. Since there are different reports about the relationship between low maternal hemoglobin level and low birght weight, the precent study was des...
introduction: human hematopoietic stem cells (hhscs) have been used for transplantation in hematologic failures. because the number of hhscs per cord blood unit is limited, the expansion of these cells is important for clinical application. it has been reported that cytokines and feeder layer provide a perspective to in vitro expansion of hhscs. in this regard, cord blood cd34+ cells expanded a...
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