نتایج جستجو برای: fetal stem
تعداد نتایج: 359103 فیلتر نتایج به سال:
The existence of stem cells committed to the T lymphoid lineage was deduced from studying how rat T and B stem cells differ in their expression of membrane W3/13 antigen and in their susceptibility in vivo to gamma irradiation. Stem cell activity of rat bone marrow and fetal liver was measured in long-term radiation chimeras using B and T cell alloantigenic surface markers to identify the proge...
Backgrond&Objective: The ability of mesenchymalstem cells (MSCs) differentiation into many cell types, as well as their ex vivo expansion potential, makes them as an attractive therapeutic tool for cell transplantation and tissue engineering. This project was designed to improve isolation culture and characterization of human amniotic membran-derivedMSSCS and human warton ,s jelly- derived MSCs...
most of the verbal constructions of harzani dialect have got inflectional affixes. the majority of the constructions are made up vy adding a specific verbal affix to the verbal stem (infinitive without infinitive marker). only a few number of them is formed by adding a verbal affix to the past participle of the verb. there are specific rules for the formation of different verbal types. there is...
Although adult mouse hematopoietic stem cells (HSCs) have been purified to near homogeneity, it remains impossible to achieve this with fetal HSCs. Adult HSC purity recently has been enhanced using the SLAM family receptors CD150, CD244, and CD48. These markers are expressed at different stages of the hematopoiesis hierarchy, making it possible to highly purify adult HSCs as CD150 CD48 CD244 ce...
Although adult mouse hematopoietic stem cells (HSCs) have been purified to near homogeneity, it remains impossible to achieve this with fetal HSCs. Adult HSC purity recently has been enhanced using the SLAM family receptors CD150, CD244, and CD48. These markers are expressed at different stages of the hematopoiesis hierarchy, making it possible to highly purify adult HSCs as CD150(+)CD48(-)CD24...
introduction: mesenchymal stem cells can be isolated from adult tissues, such as the adipose tissue, or other sources. among all these sources, adipose tissue because of easy access, and placenta due to its immunomodulatory properties, in addition to another useful properties, were attracted more attention to themselves. isolation and comparing these two different sources can help us for access...
introduction: considering the importance of co-culture in differentiation of embryonic stem cells, the aim of this study was evaluation of the effect of co-culturing fetal liver stroma cells with p19 cells on the line of differentiation. materials and methods: for this purpose, p19 cells were cultured directly in semisolid medium. these cells proliferated and primarily differentiated to colonie...
Introduction: Considering the importance of co-culture in differentiation of embryonic stem cells, the aim of this study was evaluation of the effect of co-culturing fetal liver stroma cells with P19 cells on the line of differentiation. Materials and Methods: For this purpose, P19 cells were cultured directly in semisolid medium. These cells proliferated and primarily differentiated to col...
We exploited the ability to transduce fetal liver hematopoietic stem/progenitor cells in situ with recombinant retrovirus, together with the ability to analyze proviral integration patterns into chromosomal DNA, to detect the cellular and organ fate of hematopoietic stem and progenitor-derived progeny in tissues and in the circulation of neonatal and adult rats. Two hundred seventeen fetuses we...
BACKGROUND Intrauterine stem cell transplantation is a promising approach for early onset genetic diseases. However, its utility is limited by the development of the fetal immune system after 14 weeks gestation. An ex vivo gene therapy approach targeting autologous first trimester stem cells to replace the missing or defective gene product should overcome this barrier. We investigated the feasi...
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