نتایج جستجو برای: embryonic stem es cell
تعداد نتایج: 1909995 فیلتر نتایج به سال:
Although germline cells can form multipotential embryonic stem (ES)/embryonic germ (EG) cells, these cells can be derived only from embryonic tissues, and such multipotent cells have not been available from neonatal gonads. Here we report the successful establishment of ES-like cells from neonatal mouse testis. These ES-like cells were phenotypically similar to ES/EG cells except in their genom...
Transplantation of embryonic stem (ES) cells may provide cures for the damaged nervous system. Pre-differentiated ES or neuronal precursor cells have been investigated in various animal models of neurodegenerative diseases including traumatic brain injury (TBI). To our knowledge, no study has yet examined the effects of undifferentiated, murine ES cells on functional recovery and tumorigenity f...
BioTechniques 349 Embryonic stem (ES) cells were established from the inner cell mass of blastocysts and have been shown to spontaneously differentiate into multiple cell types representative of all three embryonic germ layers, both in teratomas after grafting or in vitro under appropriate conditions (1,2). ES cells can be maintained in their pluripotent state if cultured in the presence of leu...
Breast cancer is the most prevalent disease amongst women worldwide and metastasis is the main cause of death due to breast cancer. Metastatic breast cancer cells and embryonic stem (ES) cells display similar characteristics. However, unlike metastatic breast cancer cells, ES cells are nonmalignant. Furthermore, embryonic microenvironments have the potential to convert metastatic breast cancer ...
Background and Aim: Embryonic stem cells are identified with two unique characteristics. First, they can be maintained and expanded as pure populations of undifferentiated cells, a characteristic which is known as self renewal aspect of embryonic stem cells. Second, these cells can give rise to all body cell types. In the current study, we used a feeder-free condition to differentiate mouse emb...
The analysis of factors which regulate cell proliferation and differentiation in early mammalian development has been facilitated by the existence of cell lines derived from pluripotential stem cells of the early embryo; embryonal carcinoma (EC) cells and embryonic stem (ES) cells. EC cells have proved to be a useful source of embryonic growth factors. A potent mitogen, ECDGF has been isolated ...
In mice, three pluripotent stem cell lines have been established from different stage of developing embryo, which are embryonic stem (ES) cell, post-implantation epiblast stem cell (EpiSC), and embryonic germ (EG) cell. ES cell and EG cell share many common features including factor requirement, colony morphology, and gene expression pattern. On the other hand, EpiSC needs different external si...
mouse embryonic stem cells (es) are pluripotent cell lines derived from the inner cell mass of the blastocyst. their properties include self renewal and capacity to differentiate into different cell types. neural differentiation of es cells has been achieved by several different protocols such as treating with retinoic acid and serum decreasing in culture media. the ppars (peroxisome proliferat...
Embryonic stem (ES) cells have been available from inbred mice since 1981 but have not been validated for other rodents. Failure to establish ES cells from a range of mammals challenges the identity of cultivated stem cells and our understanding of the pluripotent state. Here we investigated derivation of ES cells from the rat. We applied molecularly defined conditions designed to shield the gr...
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...
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