نتایج جستجو برای: cd34
تعداد نتایج: 12020 فیلتر نتایج به سال:
We aimed to determine if chronic endurance-exercise habits affected redox status and paracrine function of CD34(+) and CD34(-)/CD31(+) circulating angiogenic cells (CACs). Subjects were healthy, nonsmoking men and women aged 18-35 yr and categorized by chronic physical activity habits. Blood was drawn from each subject for isolation and culture of CD34(+) and CD34(-)/CD31(+) CACs. No difference...
The expression of class II MHC and CD34 antigens on human cord blood hematopoietic progenitor cells (HPC) was investigated upon culturing in the presence of interleukin-3 (11-3). HPC isolated by “panning” according to their expression of CD34 coexpressed HLA-DR and HLADP. and the majority of the CD34 HPC also expressed HLA-DQ. In the presence of 11-3. the expression of CD34 and class II MHC ant...
AIMS Circulating endothelial progenitor cells (EPC), involved in endothelial regeneration, neovascularisation, and determination of prognosis in cardiovascular disease can be characterised with functional assays or using immunofluorescence and flow cytometry. Combinations of markers, including CD34+KDR+ or CD133+KDR+, are used. This approach, however may not consider all characteristics of EPC....
In acute myeloid leukemia (AML) quiescence and low oxidative state, linked to BCL2 mitochondrial regulation, endow leukemic stem cells (LSC) with treatment-resistance. LSC in CD34+ and more mature CD34- AML have heterogeneous immunophenotypes overlapping with normal stem/progenitor cells (SPC) but may be differentiated by functional markers. We therefore investigated the oxidative/reactive oxyg...
اثر سلولهای بنیادی مزانشیمی استرومال کشت داده شده در داربست بر روی تکثیر سلولهای CD34+ خون بند ناف
چکید ه سابقه و هدف پیوند سلولهای بنیادی طی دهههای اخیر، به موفقیتهای درمانی بالایی رسیده اما از محدودیتهای استفاده از این منبع در بزرگسالان، تعداد کم سلولهای CD34+ میباشد. هدف از این تحقیق، بررسی تاثیر سلولهای مزانشیمی بر میزان تکثیر سلولهای CD34+ خون بند ناف بود. مواد و روشها در یک مطالعه تجربی، سلولهای چسبنده مزانشیمی از سلولهای تک هستهای مغز استخوان جدا شدند. سلولهای C...
سابقه و هدف: در این مطالعه، تمایز سلول های بنیادی خون ساز CD133+ و CD34+ مشتق از خون بند ناف انسان، به سلولهای شبه عصبی حرکتی، بررسی شد. روش بررسی: سلولهای بنیادی خون ساز از خون بند ناف انسان جدا شده و سپس، سلولهای CD133+ و CD34+ براساس مارکر، توسط تکنیک جداسازی مغناطیسی MACS تفکیک شدند. بررسی فلوسایتومتری، برای تعیین درصد خلوص سلول های جداشده، انجام گرفت. پس از آن، سلولها در محیط کشت د...
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...
introduction: ameloblastoma is a benign epithelial odontogenic tumor that exhibits a more aggressive behavior than follicular cyst and keratocystic odontogenic tumor. the purpose of the current study was detection and evaluation of microvessel density (mvd) effect on growth and clinical behavior of above odontogenic lesions with immunohistochemistry. materials & methods: in this descriptive-ana...
CD34 is one of the best characterized human hematopoietic stem cell antigens defined to date. It is expressed on 1% to 4% of normal bone marrow cells, including colony forming units of all lineages and their precursors. CD34 expression is lost during hematopoietic development and is not found on mature peripheral blood cells. The control of CD34 expression was studied in the myeloblast cell lin...
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