Eur J Cancer:ERCC3,卵巢癌的新风险基因?

2020-12-08 MedSci原创 MedSci原创

遗传性乳腺和卵巢癌综合征(HBOC)是一种遗传性疾病,该综合征个体在比较年轻的时候患乳腺癌(BC)和卵巢癌(OC)的风险增加。目前已明确,HBOC病例与BRCA1-BRCA2突变密切相关,但能用BRC

遗传性乳腺和卵巢癌综合征(HBOC)是一种遗传性疾病,该综合征个体在比较年轻的时候患乳腺癌(BC)和卵巢癌(OC)的风险增加。目前已明确,HBOC病例与BRCA1-BRCA2突变密切相关,但能用BRCA1-BRCA2突变解释的病例不足一半。随着研究的不断进展,越来越多的与BC或OC风险增加有关的基因被揭示,但仍有很多病例的致病因素尚不明确。

在有德系犹太血统的患者中,ERCC3基因的复发性杂合截短突变会增加患乳腺癌的风险。该研究旨在调查ERCC3截短突变在一组疑似HBOC患者中的作用。

研究人员对1311名散发患者的包含ERCC3在内的多个基因进行分析,以453名西班牙无癌个体和51,343名GonomAD非芬兰、非癌症欧洲个体为对照。

发现了13例ERCC3杂合截短变异患者(0.99%),其中5例还携带高/中外显性HBOC基因突变(BRCA1、BRCA2、CHEK2和TP53),为多位点遗传性肿瘤等位基因综合征(MIAS)患者。在453名西班牙人对照中,该频率为0.22%;与在51,343名非芬兰欧洲GonomAD人群中观察到的频率(0.24%)相近。

ERCC3截短突变与BC风险具有显著相关性(优势比[OR] 2.25,95% CI 0.06-5.93,P=0.11);此外,研究们还观察到ERCC3截短突变与OC风险有显著的关联(OR 4.74,95% CI 0.01-14.34,P=0.028),即使是在移除Minas病例之后。

据了解,这是在HBOC个体在对ERCC3突变进行全面分析的最大规模研究,也是第一个确定ERCC3是OC的癌症风险的研究。

原始出处:

Stradella Agostina,Del Valle Jesús,Rofes Paula et al. ERCC3, a new ovarian cancer susceptibility gene? Eur J Cancer, 2020, 141: 1-8.

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    2021-10-26 isabellayj
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    2020-12-10 ms9000001544664399

    随着研究的不断进展,越来越多的与BC或OC风险增加有关的基因被揭示,但仍有很多病例的致病因素尚不明确。

    0

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    2020-12-08 Wlgank

    6

    0

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    2020-12-08 Baodongxu

    卵巢癌精准诊疗又向前迈进一步#卵巢癌#

    0

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