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DOI: 10.3791/53616-v
Please note that some of the translations on this page are AI generated. Click here for the English version.
在这里,我们提出了一个协议的基础上核仁组织小鼠卵母细胞胃窦表征。
该程序的总体目标是根据小鼠完全维持预期胚胎发育的能力,根据小鼠的染色质组织详细说明表征小鼠胃窦卵母细胞所需的所有步骤。这种方法可以帮助回答发育生物学领域的关键问题,例如如何区分和分离两种不同类型的胃窦卵,SN(被包围的核仁)和 NSN(非被包围的核仁),居住在哺乳动物卵巢的胃窦隔室。要收获卵巢,首先向 3 至 6 周龄的雌性小鼠 IP 注射 2.5 国际单位的怀孕母马血清促性腺激素。
两天后,在收获前大约一小时,用 M2 培养基填充一个无菌培养皿,并将几滴 20 微升的 M2 培养基滴添加到第二个培养皿中,每滴用 1.5 毫升矿物油覆盖。然后将所有培养皿转移到 37 摄氏度、5% 二氧化碳培养箱中,以使培养基平衡。接下来,使用无菌解剖剪刀在覆盖腹壁的皮肤上切开一个切口,然后在第一只注射激素的小鼠的腹膜上切开。
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