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明显降低。这提示 CTX 可能对二细胞发育至囊胚 te[J]. Jnt J Wonen’s Health,2014,20(6):235-243
阶段所需的关键储备产生了重大影响,而人类胚胎 [8] MULDER R L,FONT⁃GONZALEZ A,HUDSON M M,
基因组中的可访问区域的数量在二细胞到囊胚阶 et al. Fertility preservation for female patients with child⁃
段之间逐渐增加 [26] 。相关文献表明,人类染色质可 hood,adolescent,and young adult cancer:recommenda⁃
tions from the PanCareLIFE consortium and the interna⁃
及性变化最大的区域是低甲基化区域 [27] ,这表明低
tional late effects of childhood cancer guideline harmoni⁃
水平甲基化可能支持染色质可及性的可变性,低甲
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基化可能构成一种允许其他因子结合的状态,使得
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早期胚胎细胞具有可塑性。而本研究提示 CTX 可
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能通过上调卵母细胞及早期胚胎中 DNMT3A 的表 vation alternative for urgent cancer patients?[J]. Hum
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