Nutrients:膳食锌和前列腺癌风险研究

2019-01-01 AlexYang MedSci原创

锌是正常前列腺代谢的一种关键微量元素,在恶性肿瘤细胞中减少。然而,膳食锌与前列腺癌(PCa)之间的相关性在流行病学中仍旧是有争议的。最近,有研究人员在一个西班牙案例对照研究MCC研究中探索了上述关系,并考虑了肿瘤恶化和扩展情况,以及PC遗传敏感位点。研究总共包括了733名案例和1228名对照。研究人员使用一个食物频率调查问卷来评估膳食锌,并利用基于单核苷酸多态性的多基因分线评分(PRS)对遗传敏感

锌是正常前列腺代谢的一种关键微量元素,在恶性肿瘤细胞中减少。然而,膳食锌与前列腺癌(PCa)之间的相关性在流行病学中仍旧是有争议的。

最近,有研究人员在一个西班牙案例对照研究MCC研究中探索了上述关系,并考虑了肿瘤恶化和扩展情况,以及PC遗传敏感位点。研究总共包括了733名案例和1228名对照。研究人员使用一个食物频率调查问卷来评估膳食锌,并利用基于单核苷酸多态性的多基因分线评分(PRS)对遗传敏感性进行了评估。研究人员还利用混合逻辑和多项式回归模型对锌摄入和PC之间的相关性进行了评估。研究发现,那些具有高锌摄入(OR tertile 3vs1: 1.39; 95% CI:1.00-1.95)的PC风险增加。上述相关性主要在低等级PC(Gleason = 6 RRR tertile 3vs1: 1.76; 95% CI:1.18-2.63)和局部肿瘤(cT1-cT2a RRR tertile 3vs1: 1.40; 95% CI:1.00-1.95)以及那些具有更高PRS的患者(OR tertile 3vs1: 1.50; 95% CI:0.89-2.53)中观察到。

最后,研究人员指出,更高的膳食锌水平摄入可能增加低等级和局部肿瘤的风险;同时,那些具有更高遗传敏感性的男性患者同样也具有更高的PC风险。

原始出处:

Gutiérrez-González E, Castelló A, Fernández-Navarro P et al. Dietary Zinc and Risk of Prostate Cancer in Spain: MCC-Spain Study. Nutrients. 20 Dec 2018.

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    2019-09-13 sjq027
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    2019-01-03 zhaojie88
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    2019-01-01 lietome24

    感谢小编为我们准备了如此丰盛的精神大餐,同时也向作者致谢!认真学习了,点赞!

    0

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