نتایج جستجو برای: oocyte mediated reprogramming
تعداد نتایج: 433059 فیلتر نتایج به سال:
Selective methylation of CpG islands at imprinting control regions (ICR) determines the monoparental expression of a subset of genes. Currently, it is unclear whether artificial reprogramming induced by the expression of Yamanaka factors disrupts these marks and whether cell type of origin affects the dynamics of reprogramming. In this study, spermatogonial stem cells (SSC) that harbor paternal...
Human induced pluripotent stem cells (iPSCs) provide a valuable model for regenerative medicine and human disease research. To date, however, the reprogramming efficiency of human adult cells is still low. Recent studies have revealed that cell cycle is a key parameter driving epigenetic reprogramming to pluripotency. As is well known, retroviruses such as the Moloney murine leukemia virus (MoM...
Reprogramming of somatic cells to pluripotent cells promises to transform regenerative medicine. Recently many groups have achieved direct reprogramming of somatic cells by forced expression of defined factors using multiple viral vectors. However, such induced pluripotent stem (iPS) cells contain a number of viral vector integrations, any one of which could cause unpredictable genetic dysfunct...
It is now recognized that small noncoding RNA sequences have the ability to mediate transcriptional activation of specific target genes in human cells. Using bioinformatics analysis and functional screening, we screened short-activating RNA (saRNA) oligonucleotides designed to target the promoter regions of the pluripotency reprogramming factors, Kruppel-like factor 4 (KLF4) and c-MYC. We ident...
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