实体肿瘤检测DNMT3A基因介绍
CpG甲基化是一种表观遗传修饰，对胚胎发育、印记和X染色体失活具有重要意义。对小鼠的研究表明，DNA甲基化是哺乳动物发育所必需的。这个基因编码一种DNA甲基转移酶，被认为在从头甲基化中起作用，而不是维持甲基化。该蛋白定位于细胞质和细胞核，其表达受发育调节。
CpG methylation is an epigenetic modification that is important for embryonic development, imprinting, and X-chromosome inactivation. Studies in mice have demonstrated that DNA methylation is required for mammalian development. This gene encodes a DNA methyltransferase that is thought to function in de novo methylation, rather than maintenance methylation. The protein localizes to the cytoplasm and nucleus and its expression is developmentally regulated.
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