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Biology
结合DNA-RNA荧光原位杂交(FISH)研究X染色体失活的分化雌​​性小鼠胚胎干细胞
结合DNA-RNA荧光原位杂交(FISH)研究X染色体失活的分化雌​​性小鼠胚胎干细胞
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JoVE Journal Biology
Combined DNA-RNA Fluorescent In situ Hybridization (FISH) to Study X Chromosome Inactivation in Differentiated Female Mouse Embryonic Stem Cells

结合DNA-RNA荧光原位杂交(FISH)研究X染色体失活的分化雌​​性小鼠胚胎干细胞

Full Text
28,465 Views
15:54 min
June 14, 2014

DOI: 10.3791/51628-v

Tahsin Stefan Barakat1, Joost Gribnau1

1Department of Reproduction and Development,Erasmus MC - University Medical Center

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Please note that some of the translations on this page are AI generated. Click here for the English version.

荧光原位杂交(FISH)可在细胞内其天然环境中的核酸的检测。我们在这里描述了一种协议,用于组合,同时检测RNA和DNA的鱼的装置,它可以被用来研究X染色体失活在小鼠胚胎干细胞。

该程序的总体目标是通过在 C two 杂交或 D-N-A-R-N-A 鱼中同时结合 DNA 和 RNA 荧光来研究分化的雌性小鼠胚胎干细胞中的 X 染色体失活。这是通过首先在雌性小鼠胚胎干细胞中诱导分化来实现的。在这个模拟正常植入后胚胎发育的过程中,X 染色体失活开始,导致囊肿 RNA 的转录和积累增强,编码未来失活的 X 染色体。

第二步是使用Paraldehyde固定分化的胚胎干细胞。接下来,通过用生物素或 digo genin 标记 DNA 片段来制备用于检测 X 染色体 DNA 和囊肿 RNA 的探针。使用 Nick 翻译。

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