نتایج جستجو برای: embryoid bodies
تعداد نتایج: 84874 فیلتر نتایج به سال:
OBJECTIVE Vezf1 encodes an early zinc finger transcription factor that is essential for normal vascular development and functions in a dose-dependent manner. Here, we investigated the role of Vezf1 during processes of endothelial cell differentiation and maturation by studying mutant Vezf1 embryonic stem (ES) cells using the in vitro embryoid body differentiation model and the in vivo teratocar...
The use of human pluripotent stem cells in basic and translational cardiac research requires efficient differentiation protocols towards cardiomyocytes. In vitro differentiation yields heterogeneous populations of ventricular-, atrial-, and nodal-like cells hindering their potential applications in regenerative therapies. We described the effect of the growth factor Activin A during early human...
Fibroblast growth factors and receptors are intimately connected to the extracellular matrix by their affinity to heparan sulfate proteoglycans. They mediate multiple processes during embryonic development and adult life. In this study, embryonic stem cell-derived embryoid bodies were used to model fibroblast growth factor signaling during early epithelial morphogenesis. To avoid redundancy cau...
The primitive endoderm epithelial structure in mouse blastocysts forms following cell differentiation and subsequent sorting, and this two-step process can be reproduced in vitro using an embryoid body model. We found that in the chimeric embryoid bodies consisting of paired wildtype and E-cadherin null ES cells, the wildtype sorted to the center and were enveloped by the less adhesive E-cadher...
سابقه و هدف: در طی جنین زایی ابتدائی، سیستم قلبی- عروقی یکی از اولین سیستم هایی است که تشکیل می شود. سلولهای بنیادی جنینی انسانی[1] (hesc) مدلی را به وجود می آورد که می توان از طریق آن مراحل تکاملی این سیستم را بررسی نمود. زمانی که این سلول ها از لایه مغذی خود جدا می شوند، hesc ها اجسام جنینی[2] (eb) را به وجود می آورند که پس از کشت، ناحیههایی از سلول های ضربان دار در 5/21% از eb ایجاد می شون...
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