孟德尔随机化
萧条(经济学)
医学
重性抑郁障碍
前列腺癌
单核苷酸多态性
内科学
肿瘤科
癌症
遗传学
生物
遗传变异
基因型
基因
扁桃形结构
宏观经济学
经济
作者
Xiong Chen,Jianqiu Kong,Xiayao Diao,Jiahao Cai,Junjiong Zheng,Weibin Xie,Haide Qin,Jian Huang,Tianxin Lin
摘要
Abstract Background The association between depression and prostate carcinogenesis has been reported in observational studies but the causality from depression on prostate cancer (PCa) remained unknown. We aimed to assess the causal effect of depression on PCa using the two‐sample Mendelian randomization (MR) method. Methods Two sets of genetics instruments were used for analysis, derived from publicly available genetic summary data. One was 44 single‐nucleotide polymorphisms (SNPs) robustly associated with major depressive disorder (MDD) and the other was two SNPs related with depressive status as ever depressed for a whole week. Inverse‐variance weighted method, weighted median method, MR‐Egger regression, MR Pleiotropy RESidual Sum, and Outlier test were used for MR analyses. Results No evidence for an effect of MDD on PCa risk was found in inverse‐variance weighted (OR: 1.12, 95% CI: 0.97‐1.30, p = 0.135), MR‐Egger (OR 0.89, 95% CI: 0.29‐2.68, p = 0.833), and weighted median (OR: 1.08, 95% CI: 0.92‐1.27, p = 0.350). Also, no strong evidence for an effect of depressive status on PCa incidence was found using the inverse‐variance weighted method (OR 0.72, 95% CI: 0.35‐1.47, p = 0.364). Conclusions The large MR analysis indicated that depression may not be causally associated with a risk of PCa.
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