Inflammatory bowel disease and prostate cancer risk: a two-sample Mendelian randomization analysis

BackgroundPrevious epidemiological observational studies have reported an association between inflammatory bowel disease (IBD) and prostate cancer (PCa), but the causality is inconclusive. The purpose of this study was to evaluate the causality of IBD on PCa using the mendelian randomization (MR) an...

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Main Authors: Wen Cheng, Yang Liao, Ruiyu Mou, Xian Xiao, Yingjie Jia
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-06-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2023.1157313/full
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author Wen Cheng
Wen Cheng
Yang Liao
Yang Liao
Ruiyu Mou
Ruiyu Mou
Xian Xiao
Xian Xiao
Yingjie Jia
Yingjie Jia
author_facet Wen Cheng
Wen Cheng
Yang Liao
Yang Liao
Ruiyu Mou
Ruiyu Mou
Xian Xiao
Xian Xiao
Yingjie Jia
Yingjie Jia
author_sort Wen Cheng
collection DOAJ
description BackgroundPrevious epidemiological observational studies have reported an association between inflammatory bowel disease (IBD) and prostate cancer (PCa), but the causality is inconclusive. The purpose of this study was to evaluate the causality of IBD on PCa using the mendelian randomization (MR) analysis.MethodsWe performed a two-sample MR analysis with public genome-wide association studies (GWAS) data. Eligible instrumental variables (IVs) were selected according to the three assumptions of MR analysis. The inverse-variance weighted (IVW) method was the main method. Complementary methods included the MR-Egger regression, the Weighted Median, the Simple Mode, the Weighted Mode and MR pleiotropy residual sum and outlier (MR-PRESSO) methods.ResultsGenetically determined IBD did not have a causal effect on PCa (IVW P > 0.05). Additionally, there was no causal effect of Crohn’s disease (CD) and ulcerative colitis (UC) on PCa in the MR analysis (IVW P > 0.05). Results of complementary methods were consistent with those of the IVW method.ConclusionsThis study does not support a causal association of IBD on PCa, which is in contrast to most observational studies.
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spelling doaj.art-e877aa9f54de433989603a208cf803ec2023-06-20T10:09:37ZengFrontiers Media S.A.Frontiers in Immunology1664-32242023-06-011410.3389/fimmu.2023.11573131157313Inflammatory bowel disease and prostate cancer risk: a two-sample Mendelian randomization analysisWen Cheng0Wen Cheng1Yang Liao2Yang Liao3Ruiyu Mou4Ruiyu Mou5Xian Xiao6Xian Xiao7Yingjie Jia8Yingjie Jia9Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, ChinaNational Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, ChinaDepartment of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, ChinaNational Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, ChinaDepartment of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, ChinaNational Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, ChinaDepartment of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, ChinaNational Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, ChinaDepartment of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, ChinaNational Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, ChinaBackgroundPrevious epidemiological observational studies have reported an association between inflammatory bowel disease (IBD) and prostate cancer (PCa), but the causality is inconclusive. The purpose of this study was to evaluate the causality of IBD on PCa using the mendelian randomization (MR) analysis.MethodsWe performed a two-sample MR analysis with public genome-wide association studies (GWAS) data. Eligible instrumental variables (IVs) were selected according to the three assumptions of MR analysis. The inverse-variance weighted (IVW) method was the main method. Complementary methods included the MR-Egger regression, the Weighted Median, the Simple Mode, the Weighted Mode and MR pleiotropy residual sum and outlier (MR-PRESSO) methods.ResultsGenetically determined IBD did not have a causal effect on PCa (IVW P > 0.05). Additionally, there was no causal effect of Crohn’s disease (CD) and ulcerative colitis (UC) on PCa in the MR analysis (IVW P > 0.05). Results of complementary methods were consistent with those of the IVW method.ConclusionsThis study does not support a causal association of IBD on PCa, which is in contrast to most observational studies.https://www.frontiersin.org/articles/10.3389/fimmu.2023.1157313/fullinflammatory bowel diseaseprostate cancerMendelian randomizationcausalityCrohn ‘s diseaseulcerative colitis
spellingShingle Wen Cheng
Wen Cheng
Yang Liao
Yang Liao
Ruiyu Mou
Ruiyu Mou
Xian Xiao
Xian Xiao
Yingjie Jia
Yingjie Jia
Inflammatory bowel disease and prostate cancer risk: a two-sample Mendelian randomization analysis
Frontiers in Immunology
inflammatory bowel disease
prostate cancer
Mendelian randomization
causality
Crohn ‘s disease
ulcerative colitis
title Inflammatory bowel disease and prostate cancer risk: a two-sample Mendelian randomization analysis
title_full Inflammatory bowel disease and prostate cancer risk: a two-sample Mendelian randomization analysis
title_fullStr Inflammatory bowel disease and prostate cancer risk: a two-sample Mendelian randomization analysis
title_full_unstemmed Inflammatory bowel disease and prostate cancer risk: a two-sample Mendelian randomization analysis
title_short Inflammatory bowel disease and prostate cancer risk: a two-sample Mendelian randomization analysis
title_sort inflammatory bowel disease and prostate cancer risk a two sample mendelian randomization analysis
topic inflammatory bowel disease
prostate cancer
Mendelian randomization
causality
Crohn ‘s disease
ulcerative colitis
url https://www.frontiersin.org/articles/10.3389/fimmu.2023.1157313/full
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