DNA methylation in schizophrenia: progress and challenges

DNA methylation in schizophrenia: progress and challenges
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精神分裂症中的 DNA 甲基化:进展与挑战

DOI:
10.1007/s11434-014-0690-y
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发表时间:
2015-01
期刊:
影响因子:
18.9
通讯作者:
Tang Jinsong
Tang Jinsong
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zong Xiaofen;Hu Maolin;Li Zongchang;Cao Hongbao;Chen Xiaogang;Tang Jinsong

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精神分裂症是一种异质性精神疾病,被广泛认为是由遗传和环境因素引起的。虽然传统的遗传学研究已经确定了一些精神分裂症的候选基因,但低优势比和重复率以及缺乏可重复性限制了它们的解释力。尽管在确定精神分裂症的环境因素方面做出了重大努力,但方法上的局限性和流行病学报告的不一致结果阻碍了确定外源性因果因素的尝试。近年来,在精神分裂症的发病机制中,环境与基因之间的表观遗传机制起着重要作用。DNA甲基化是最稳定和最具特征的表观遗传修饰。本文简要介绍了DNA甲基化的机制、全基因组DNA甲基化的研究以及精神分裂症患者基因组中特异性甲基化位点的鉴定。在关注最近研究的难题之前,还概述了候选基因如Reelin和COMT。
Schizophrenia is a heterogeneous psychiatric disorder broadly accepted being caused by genetic and environmental factors. Although conventional genetic studies have identified some candidate genes for schizophrenia, low odds ratios and penetrance, and a lack of reproducibility have limited their explanatory power. Despite the major efforts made toward identifying environmental factors in schizophrenia, methodological limitations and inconsistent findings of epidemiological reports have obstructed attempts to identify exogenous causal factors. Epigenetic mechanisms, mediating between environment and genes, have recently been proposed to play an important role in the pathogenesis of schizophrenia. DNA methylation is the most stable and well-characterized epigenetic modification. In this paper, we briefly introduce DNA methylation mechanisms, genome-wide DNA methylation studies, and identify specific genomic methylation sites in individuals diagnosed with schizophrenia. The outline candidate genes such as Reelin and COMT, are also outlined before paying attention to the conundrum of recent researches.
DOI: 10.1093/hmg/ddr416
发表时间: 2011-12-15
影响因子: 3.5
作者:
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