نتایج جستجو برای: embryoid bodies
تعداد نتایج: 84874 فیلتر نتایج به سال:
Karotype and capacity for differentiation were determined in four transplantable teratomas, and their embryoid bodies, derived from C3H mouse embryos. An apparently normal karyotype was retained by one tumour and one subline that were able to differentiate into a wide range of tissues, but some chromosomal alterations were found in the two tumours and one subline that showed almost identical re...
BACKGROUND Although multiple approaches have been used to create biological pacemakers in animal models, induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) have not been investigated for this purpose. We now report pacemaker function of iPSC-CMs in a canine model. METHODS AND RESULTS Embryoid bodies were derived from human keratinocytes, their action potential characteristics det...
Cardiogenesis is a multistep process regulated by a hierarchy of factors defining each developmental stage of the heart. One of these factors, leukemia inhibitory factor (LIF), a member of the interleukin-6 family of cytokines, is expressed in embryonic and neonatal cardiomyocytes and induces cardiomyocyte hypertrophy. Many aspects of embryogenesis are faithfully recapitulated during in vitro d...
To examine the effects of the tat and nef regulatory genes of human immunodeficiency virus (HIV-1) on cell differentiation we used the mouse embryonic stem cells (ESC) as a model. Proliferation, embryoid bodies (EB) formation and subsequent differentiation into cardiomyocytes, glial and neuronal cells were investigated in ESC lines transfected with these genes. It has been shown that the transf...
Mouse F9 teratocarcinoma cell lines can be induced to differentiate into either parietal endoderm or embryoid bodies which contain visceral endoderm-like cells. The nature of the early molecular events involved in these two differentiation pathways has not yet been fully elucidated. Moreover, since the process of differentiation is often accompanied by changes in cell growth, it is often diffic...
Two lineages of endoderm develop during mammalian embryogenesis, the primitive endoderm in the pre-implantation blastocyst and the definitive endoderm at gastrulation. This complexity of endoderm cell populations is mirrored during pluripotent cell differentiation in vitro and has hindered the identification and purification of the definitive endoderm for use as a substrate for further differen...
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