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DNA甲基化异常与垂体腺瘤研究进展

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摘要 DNA甲基化是已知的哺乳动物DNA唯一的自然化学修饰方式,与基因表达调控、染色体稳定性及细胞分化有关,在肿瘤的发生过程中起着重要的调节作用。DNA甲基化异常可发生在多数人类肿瘤及癌前病变中,其主要在转录水平抑制基因的表达。垂体腺瘤是颅内常见的一种良性肿瘤,发病机制尚不完全清楚,近年研究表明DNA异常甲基化与垂体腺瘤发生关系密切,本文综述了DNA甲基化的现状、DNA异常甲基化在肿瘤发生中的作用、垂体腺瘤相关基因异常甲基化模式和基因表达的关系及去甲基化对垂体肿瘤治疗的应用前景和意义。
出处 《国际神经病学神经外科学杂志》 2008年第5期430-433,共4页 Journal of International Neurology and Neurosurgery
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