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Brit J Cancer:PALB2突变与前列腺癌风险和生存率的关系

2021-05-18 MedSci原创 MedSci原创

PALB2突变个体易患侵袭性和致死性前列腺癌。

家族性 PALB2基因的功能缺失性突变是乳腺癌的易感因素,然而,这种突变如何影响男性携带者一生中患前列腺癌的风险尚未明确。近日,肿瘤学领域权威杂志British Journal of Cancer上发表了一篇研究文章,这项研究的目的是明确PALB2突变对前列腺癌风险的作用,并评估PALB2携带者的生存率。

研究人员对5472名未经选择的前列腺癌患者以及8016名男性对照者进行了基因分型,分别确定了两个PALB2突变基因型(c.509_510delGA和c.172_175delTTGT)。在前列腺癌患者中,研究人员将PALB2突变携带者的生存率与非携带者进行了比较。

研究人员在0.29%的前列腺癌病例和0.21%的对照者中发现了PALB2突变(比值比(OR)=1.38;95%置信度区间(CI)为0.70–2.73;p=0.45)。

PALB2携带者与非携带者生存曲线

与非携带者相比,PALB2突变携带者更容易被诊断为格里森评分较高(8-10)的侵袭性癌症(64.3 vs. 18.1%,p<0.0001)。晚期高级别前列腺癌的OR为8.05(95%CI为3.57-18.15,p<0.0001)。在中位随访102个月后,与PALB2突变相关的全因死亡经年龄校正的风险比为2.52(95%CI为1.40-4.54;p=0.0023)。PALB2携带者的5年生存率为42%,非携带者为72%(p=0.006)。

由此可见,PALB2突变个体易患侵袭性和致死性前列腺癌。

原始出处:

Dominika Wokołorczyk.et al.PALB2 mutations and prostate cancer risk and survival.Brit J Cancer.2021.https://www.nature.com/articles/s41416-021-01410-0

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    2021-12-22 sjq027
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    2021-05-20 zhouqu_8
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    2021-05-18 misszhang

    前列腺癌相关研究,学习了,谢谢梅斯

    0

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