Epigenetics and obesity.

Epigenetics and obesity.
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DOI:
10.2217/14622416.9.12.1851
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发表时间:
2008-12
期刊:
影响因子:
2.1
通讯作者:
Stöger R
Stöger R
中科院分区:
医学4区
文献类型:
--
作者:
Stöger R

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常见的DNA序列变异不足以解释个体间脂肪量的变异性。体重异常是特定的印记基因疾病的特征。然而,印记基因与我们对普通人群肥胖的理解的相关性尚不确定。目前尚不清楚的印迹基因和表观遗传嵌合现象是表观遗传学这一新兴领域面临的两大挑战。印迹基因和基因网络的细微表观遗传差异可能存在于细胞、组织和个体之间。为了推进肥胖研究,有必要使用全基因组的下一代测序方法,以检测这种表观遗传差异。
Common DNA sequence variants inadequately explain variability in fat mass among individuals. Abnormal body weights are characteristic of specific imprinted-gene disorders. However, the relevance of imprinted genes to our understanding of obesity among the general population is uncertain. Hitherto unidentified imprinted genes and epigenetic mosaicism are two of the challenges for this emerging field of epigenetics. Subtle epigenetic differences in imprinted genes and gene networks are likely to be present among cells, tissues and individuals. In order to advance obesity research it will be necessary to use genome-wide, next-generation sequencing approaches that allow the detection of such epigenetic differences.
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