نتایج جستجو برای: oct3
تعداد نتایج: 571 فیلتر نتایج به سال:
Induced pluripotent stem (iPS) cells have been generated from mouse and human somatic cells by introducing Oct3/4 and Sox2 with either Klf4 and c-Myc or Nanog and Lin28 using retroviruses or lentiviruses. Patient-specific iPS cells could be useful in drug discovery and regenerative medicine. However, viral integration into the host genome increases the risk of tumorigenicity. Here, we report th...
embryonic stem cells (escs) are derived from the inner cell mass (icm) of blastocyst and differentiate into all three embryonic germ layers: ectoderm, endoderm, and mesoderm. in this study, escs are derived from hand made cloning (hmg) blastocysts and their efficiencies compared to escs derived from in vitro fertilization (ivf) embryos. feeder layer was used for escs culture, and culture medium...
How embryonic stem cells maintain the potential to differentiate into multiple cell lineages is still unclear. In this issue of Cell, Niwa et al. (2005) show that a duel between the transcription factors Oct3/4 and Cdx2 can restrict embryonic stem cells to either embryonic or placental fate. The vulnerability of lineage potential to transcriptional perturbation may reflect an essential feature ...
BACKGROUND There is great interest in repurposing the commonly prescribed anti-diabetic drug metformin for cancer therapy. Intracellular uptake and retention of metformin is affected by the expression of organic cation transporters (OCT) 1-3 and by multidrug and toxic compound extrusion (MATE) 1-2. Inside cells, metformin inhibits mitochondrial function, which leads to reduced oxygen consumptio...
Cholangiocellular carcinoma (CCA) is a primary hepatic malignancy derived from cholangiocytes. The prognosis for CCA patients is very poor and conventional chemotherapy has been proven ineffective in improving long‑term patient survival rates. Organic cation transporters (OCTs) mediate the transport of a broad spectrum of endogenous substrates and the detoxification of xenobiotics. Moreover, OC...
Perivascular adipose tissue (PVAT) reduces vasoconstriction to norepinephrine (NE). A mechanism by which PVAT could function to reduce vascular contraction is by decreasing the amount of NE to which the vessel is exposed. PVATs from male Sprague-Dawley rats were used to test the hypothesis that PVAT has a NE uptake mechanism. NE was detected by HPLC in mesenteric PVAT and isolated adipocytes. U...
Human iPSC line GFM1SV.25 was generated from fibroblasts of a child with a severe mitochondrial encephalopathy associated with mutations in the GFM1 gene, encoding the mitochondrial translation elongation factor G1. Reprogramming factors OCT3/4, SOX2, CMYC and KLF4 were delivered using a non integrative methodology that involves the use of Sendai virus.
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