Nat Commun:科学家找到晒黑反应基因位点

2018-05-14 佚名 生物360

一项新研究称,一个人暴露在阳光下后皮肤会晒黑还是晒伤,至少在一定程度上取决于特定基因位点的变异。这一全基因组关联研究(GWAS)在过去的研究基础上,鉴定出可能与欧洲血统种群晒黑反应相关的额外基因位点。相关成果 5 月 8 日 在线发表 于《自然—通讯》。

一项新研究称,一个人暴露在阳光下后皮肤会晒黑还是晒伤,至少在一定程度上取决于特定基因位点的变异。这一全基因组关联研究(GWAS)在过去的研究基础上,鉴定出可能与欧洲血统种群晒黑反应相关的额外基因位点。相关成果 5 月 8 日 在线发表 于《自然—通讯》。

为了更好地理解一个人的遗传组成如何决定其对日晒的反应,英国伦敦国王学院的 Mario Falchi 及同事分析了一批被试的遗传变异,部分被试自我报告称从未晒黑或只是偶尔晒黑和晒伤,另一部分称会晒黑而不会晒伤。之后,研究人员针对 55382 名个体作了重复研究,在之前未与晒黑反应关联起来的 10 个遗传位点发现了遗传变异。进一步研究发现,与晒黑能力较低相关的 AGR3/AHR 位点的部分变异可能也会增加皮肤癌风险。

研究人员指出,以上发现基于有关晒黑和皮肤癌的自我报告(即问卷回答),可能存在报告偏差,因此还需要开展进一步的研究来证实此次鉴定出的遗传变异在晒黑和皮肤癌中可能发挥的作用。

原始出处:Visconti A, Duffy DL, Liu F, et al. Genome-wide association study in 176,678 Europeans reveals genetic loci for tanning response to sun exposure. Nat Commun. 2018 May 8;9(1):1684.

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    2018-08-18 liuli5079
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    2018-09-18 liye789132251
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    2018-05-15 kafei

    学习了谢谢

    0

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    2018-05-14 wqkm

    ^_^^_^^_^

    0

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