نتایج جستجو برای: tetraploidy
تعداد نتایج: 1945 فیلتر نتایج به سال:
Induced Tetraploidy in a Vaccinium elliottii Facilitates Crossing with Cultivated Highbush Blueberry
Polyploidy is occurred by the process of endomitosis or cell fusion and usually represent terminally differentiated stage. Their effects on the developmental process were mainly investigated in the amphibian and fishes, and only observed in some rodents as mammalian model. Recently, we have established tetraploidy somatic cell nuclear transfer-derived human embryonic stem cells (SCNT-hESCs) and...
To the Editor: Recently, Li and colleagues (1) have presented evidence for the impairment of nonhomologous and joining repair (NHEJ) of DNA damage by the chromatin binding protein HMGA2. In this interesting article, the cytogenetic stability of fibroblasts transfected by a construct encoding HMGA2 was analyzed as a hallmark of deficient NHEJ. Twenty-five metaphases of these fibroblasts were kar...
Tetraploid (4N) cells are considered important in cancer because they can display increased tumorigenicity, resistance to conventional therapies, and are believed to be precursors to whole chromosome aneuploidy. It is therefore important to determine how tetraploid cancer cells arise, and how to target them. P53 is a tumor suppressor protein and key regulator of tetraploidy. As part of the "tet...
Poly(ADP-ribose) polymerase (PARP) knockout mice are resistant to murine models of human diseases such as cerebral and myocardial ischemia, traumatic brain injury, diabetes, Parkinsonism, endotoxic shock and arthritis, implicating PARP in the pathogenesis of these diseases. Potent selective PARP inhibitors are therefore being evaluated as novel therapeutic agents in the treatment of these disea...
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