Ann Rheum Dis:染色体2q13上识别到新位点,可诱发与骨密度无关的临床椎体骨折

2017-11-26 xiangting MedSci原创

通过独立于BMD的机制发现了与临床椎体骨折相关的新遗传性变型。

这项研究旨在分析决定临床椎体骨折易感性的遗传因素,而椎体骨折是骨质疏松症的重要并发症。

研究人员对1553例绝经后临床椎体骨折女性和4340例对照进行了全基因组关联研究,两阶段复制涉及1028例患者和3762例对照。使用来自经髂骨活检和生物信息学研究的定量表达性状基因座(eQTL)数据鉴定了潜在的致病变体。

在2q13染色体上鉴定出rs10190845位点,与临床椎体骨折显著相关(P= 1.04×10-9),效应量大(OR 1.74,95%CI 1.06-2.6)。该位点的生物信息学分析鉴定了与位置候选基因TTL(微管蛋白酪氨酸连接酶)和SLC20A1(溶质载体家族20成员1)表达相关的几个潜在功能性SNPs。在染色体1p31、11q12和15q11上识别到另外3个提示性位点。所有这些位点都是新的,之前没有发现与骨密度或临床骨折有相关性。

通过独立于BMD的机制发现了与临床椎体骨折相关的新遗传性变型。目前正在进行进一步的研究来验证这种关联并评估其基本机制。

原始出处:

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    2018-02-11 ylz8403
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    2017-11-28 dingxiaobo
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    2017-11-26 明天会更好!

    学习了.谢谢分享!

    0

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