نتایج جستجو برای: inner cell mass
تعداد نتایج: 2166923 فیلتر نتایج به سال:
introduction: embryonic stem (es) cells are pluripotent cells derived from inner cell mass of blastocyst. these cells can product any cell by spontaneous or directed differentiation. this study was started to produce neuron cells by directed differentiation of new murine es cell line in vitro. materials and methods: murine es cells (royan b1 derived from c57bl/6 strain) were used for in vitro n...
During human development, cells of the blastocyst inner cell mass proliferate and give rise to each cell eceived in revised form 15 April 2008 ccepted 27 April 2008
Inner cell masses (ICMs) dissected from 4 1/2-day rat blastocysts were aggregated with 2 1/2-day mouse morulae. Successful aggregates formed blastocysts in vitro and morphologically normal 5 1/2-day conceptuses in the mouse uterus. Immunofluorescent analysis of these conceptuses revealed that rat cells were only present in the embryonic ectoderm and endoderm and never in the trophectoderm deriv...
The low success rate of somatic nuclear transfer (NT) is hypothesized to be mainly due to functional defects in the trophoblast cell lineage rather than the inner cell mass (ICM); this hypothesis, however, remains to be tested directly. Here we separated the ICMs from cloned blastocysts and aggregated the cloned ICM with two fertilization-derived (FD) tetraploid (4N) embryos. We found that the ...
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