Explaining inter-individual variability in phenotype: is epigenetics up to the challenge?

Explaining inter-individual variability in phenotype: is epigenetics up to the challenge?
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DOI:
10.4161/epi.5.1.10557
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发表时间:
2010-01-01
期刊:
影响因子:
3.7
通讯作者:
Sapienza C
Sapienza C
中科院分区:
生物学3区
文献类型:
--
作者:
Turan N;Katari S;Coutifaris C;Sapienza C

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环境因素改变体细胞可遗传的表观遗传标记和改变基因表达的长期模式的假设在人类疾病研究中是一个令人兴奋的可能性。由于大多数常见疾病和许多数量性状受到遗传和环境因素的影响,环境诱导的表观遗传结构变化可以在基因和环境之间提供一种机制联系。我们相信,基因表观遗传修饰的个体间差异将比基因型差异单独解释更大比例的个体间表型变异。
The hypothesis that environmental factors alter somatically heritable epigenetic marks and change long-term patterns of gene expression is an exciting possibility in human disease research. Because most common diseases, and many quantitative traits, are influenced by both genetic and environmental factors, environmentally induced changes in epigenetic structures can provide a mechanistic link between genes and environment. We believe that inter-individual differences in the epigenetic modification of genes will explain a much greater fraction of inter-individual phenotypic variation than differences in genotype, alone.
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