نتایج جستجو برای: embryonic stem cell
تعداد نتایج: 1839946 فیلتر نتایج به سال:
The potency of post-embryonic stem cells can only be addressed in the living organism, by labeling single cells after embryonic development and following their descendants.Recently, transplantation experiments involving permanently labeled cells revealed multipotent neural stem cells (NSCs) of embryonic origin in the medaka retina. To analyze whether NSC potency is affected by developmental pro...
background: the transcription factor oct-4, is an important marker of undifferentiating level and a key regulating factor for maintenance of pluripotency in cells. establishment of an oct-4 promoter-based reporter system is an appropriate tool for monitoring the differentiation of embryonic stem cells both in vivo and in vitro. methods: in the present study, we report construction of a recombin...
Stem cell (SC) therapy is one of the most promising methods clinical medicine. Although stem cell-containing products are still being investigated in trials, some them already approved for treatment many countries. Therefore, modern medicine providing basic understanding SC subtypes, their properties and potential risks should be incorporated educational programs medical universities.
 The...
objective(s):mesenchymal stem cells (mscs) derived from wharton’s jelly (wj-mscs) are now much more appealing for cell-based infertility therapy. hence, wj-mscs differentiation toward germ layer cells for cell therapy purposes is currently under intensive study. materials and methods: mscs were isolated from human wharton’s jelly and treated with bmp4, retinoic acid (ra) or co-cultured on human...
background: p19 cells are mouse embryonic carcinoma cells which contain pluripotent ability, like stem cells, to differentiate into different cell lines. there are several properties for this cell line that make it a valuable cell model for study of developmental stages. methods: at the first step, pts2-egfp coding sequence which was cloned in pucd2.hygro vector was used for transfection in to ...
Background: Recombination Activating Genes (RAG) mutated embryonic stem cells are (ES) cells which are unable to perform V (D) J recombination. These cells can be used for generation of immunodeficient mouse. Creating biallelic mutations by CRISPR/Cas9 genome editing has emerged as a powerful technique to generate site-specific mutations in different sequences. Ob...
BACKGROUND Pluripotent embryonic stem cells are considered to be an unlimited cell source for tissue regeneration and cell-based therapy. Investigating the molecular mechanism underlying the regulation of embryonic stem cell expansion is thus important. 14-3-3 proteins are implicated in controlling cell division, signaling transduction and survival by interacting with various regulatory protein...
introduction based on previous researches, dental pulp stem cells (dpscs) are easily accessible with limited morbidity after collection. their embryonic origin, from neural crests, explains their multipotency. dpscs are primarily derived from the pulp tissues of the teeth.objective: this study was undertaken to isolate, culture, and characterize two different third molar and first premolar huma...
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