نتایج جستجو برای: pluripotent cells
تعداد نتایج: 1386167 فیلتر نتایج به سال:
Biophysical subsets of embryonic stem cells display distinct phenotypic and morphological signatures
The highly proliferative and pluripotent characteristics of embryonic stem cells engender great promise for tissue engineering and regenerative medicine, but the rapid identification and isolation of target cell phenotypes remains challenging. Therefore, the objectives of this study were to characterize cell mechanics as a function of differentiation and to employ differences in cell stiffness ...
INTRODUCTION Embryonic stem cells and induced pluripotent stem cells have emerged as the gold standard of pluripotent stem cells and the class of stem cell with the highest potential for contribution to regenerative and therapeutic application; however, their translational use is often impeded by teratoma formation, commonly associated with pluripotency. We discuss a population of nontumorigeni...
Germ cells possess the unique ability to acquire totipotency during development in vivo as well as give rise to pluripotent stem cells under the appropriate conditions in vitro. Recent studies in which somatic cells were experimentally converted into pluripotent stem cells revealed that genes expressed in primordial germ cells (PGCs), such as Oct3/4, Sox2, and Lin28, are involved in this reprog...
Reprogramming of mouse and human somatic cells into induced pluripotent stem (iPS) cells has been possible with retroviral expression of the pluripotency-associated transcription factors Oct4, Sox2, Nanog, and Lin28 as well as Klf4 and c-Myc. iPS cells hold great potential as a model for diseases from the perspective of the individual patient and as an alternative source of pluripotent stem cel...
Tennyson tells us of Tithonus, who was endowed with immortality and was never permitted to perish, despite his wishes to that end. A biological parallel might be pluripotent stem cells, which can be indefinitely propagated in vitro in an uncommitted, self-renewing state, and can form all lineages in the mammalian body [1]. However, pluripotency is an inherently transient condition in vivo. Thus...
Pluripotency is generally defined by the ability to differentiate into cell types representing all three germ layers: ectoderm, mesoderm, and endoderm. Human pluripotent stem cells hold great promise in regenerative medicine and in cell replacement therapies because of their ability to self-renew and their developmental potential to become all cell types in the body. Moreover, pluripotent cells...
Pluripotent embryonic stem cells are undifferentiated cells capable of proliferation and self-renewal and have the capacity to differentiate into all somatic cell types and the germ line. They provide an in vitro model of early embryonic differentiation and are a useful means for targeted manipulation of the genome. Pluripotent stem cells in the chick have been derived from stage X blastoderms ...
Induced pluripotent stem cells (iPSCs), generated from somatic cells by overexpression of transcription factors Oct4, Sox2, Klf4 and c-Myc have the same characteristics as pluripotent embryonic stem cells (ESCs). iPSCs reprogrammed from differentiated cells undergo epigenetic modification during reprogramming, and ultimately acquire a similar epigenetic state to that of ESCs. In this study, the...
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