Causal relationship between gut microbiota and prostate cancer contributes to the gut-prostate axis: insights from a Mendelian randomization study

Abstract Background Changes in gut microbiota abundance have been linked to prostate cancer development. However, the causality of the gut-prostate axis remains unclear. Methods The genome-wide association study (GWAS) data for gut microbiota sourced from MiBioGen (n = 14,306), alongside prostate ca...

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Main Authors: Li Wang, Yong-bo Zheng, Shan Yin, Kun-peng Li, Jia-hao Wang, Er-hao Bao, Ping-yu Zhu
Format: Article
Language:English
Published: Springer 2024-03-01
Series:Discover Oncology
Subjects:
Online Access:https://doi.org/10.1007/s12672-024-00925-1
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author Li Wang
Yong-bo Zheng
Shan Yin
Kun-peng Li
Jia-hao Wang
Er-hao Bao
Ping-yu Zhu
author_facet Li Wang
Yong-bo Zheng
Shan Yin
Kun-peng Li
Jia-hao Wang
Er-hao Bao
Ping-yu Zhu
author_sort Li Wang
collection DOAJ
description Abstract Background Changes in gut microbiota abundance have been linked to prostate cancer development. However, the causality of the gut-prostate axis remains unclear. Methods The genome-wide association study (GWAS) data for gut microbiota sourced from MiBioGen (n = 14,306), alongside prostate cancer summary data from PRACTICAL (n = 140,254) and FinnGen Consortium (n = 133,164). Inverse-variance-weighted (IVW) was mainly used to compute odds ratios (OR) and 95% confidence intervals (Cl), after diligently scrutinizing potential sources of heterogeneity and horizontal pleiotropy via the rigorous utilization of Cochran's Q test, the MR-PRESSO method, and MR-Egger. We used meta-analysis methods in random effects to combine the Mendelian randomization (MR) estimates from the two sources. Results The pooled analyses of MR results show that genus Eubacterium fissicatena (OR = 1.07, 95% CI 1.01 to 1.13, P = 0.011) and genus Odoribacter (OR = 1.14, 95% CI 1.01 to 1.27, P = 0.025) were positively associated with prostate cancer. However, genus Adlercreutzia (OR = 0.89, 95% CI 0.83 to 0.96, P = 0.002), Roseburia (OR = 0.90, 95% CI 0.83 to 0.99, P = 0.03), Holdemania (OR = 0.92, 95% CI 0.86 to 0.97, P = 0.005), Flavonifractor (OR = 0.85, 95% CI 0.74 to 0.98, P = 0.024) and Allisonella (OR = 0.93, 95% CI 0.89 to 0.98, P = 0.011) seems to be a protective factor for prostate cancer. Sensitivity analysis found no significant heterogeneity, horizontal pleiotropy, or reverse causal links in all causal associations. Conclusion This MR study lends support to a causal relationship between genetically predicted gut microbiota and prostate cancer. Research on the gut-prostate axis, along with further multi-omics analyses, holds significant implications for the prevention and treatment of prostate cancer.
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spelling doaj.art-989d042d8ed14cfb89e1c427b91c41ca2024-03-05T19:30:24ZengSpringerDiscover Oncology2730-60112024-03-0115111010.1007/s12672-024-00925-1Causal relationship between gut microbiota and prostate cancer contributes to the gut-prostate axis: insights from a Mendelian randomization studyLi Wang0Yong-bo Zheng1Shan Yin2Kun-peng Li3Jia-hao Wang4Er-hao Bao5Ping-yu Zhu6Department of Urology, Affiliated Hospital of North Sichuan Medical CollegeDepartment of Urology, Affiliated Hospital of North Sichuan Medical CollegeDepartment of Urology, Affiliated Hospital of North Sichuan Medical CollegeDepartment of Urology, The Second Hospital of Lanzhou UniversityDepartment of Urology, Affiliated Hospital of North Sichuan Medical CollegeDepartment of Urology, Affiliated Hospital of North Sichuan Medical CollegeDepartment of Urology, Affiliated Hospital of North Sichuan Medical CollegeAbstract Background Changes in gut microbiota abundance have been linked to prostate cancer development. However, the causality of the gut-prostate axis remains unclear. Methods The genome-wide association study (GWAS) data for gut microbiota sourced from MiBioGen (n = 14,306), alongside prostate cancer summary data from PRACTICAL (n = 140,254) and FinnGen Consortium (n = 133,164). Inverse-variance-weighted (IVW) was mainly used to compute odds ratios (OR) and 95% confidence intervals (Cl), after diligently scrutinizing potential sources of heterogeneity and horizontal pleiotropy via the rigorous utilization of Cochran's Q test, the MR-PRESSO method, and MR-Egger. We used meta-analysis methods in random effects to combine the Mendelian randomization (MR) estimates from the two sources. Results The pooled analyses of MR results show that genus Eubacterium fissicatena (OR = 1.07, 95% CI 1.01 to 1.13, P = 0.011) and genus Odoribacter (OR = 1.14, 95% CI 1.01 to 1.27, P = 0.025) were positively associated with prostate cancer. However, genus Adlercreutzia (OR = 0.89, 95% CI 0.83 to 0.96, P = 0.002), Roseburia (OR = 0.90, 95% CI 0.83 to 0.99, P = 0.03), Holdemania (OR = 0.92, 95% CI 0.86 to 0.97, P = 0.005), Flavonifractor (OR = 0.85, 95% CI 0.74 to 0.98, P = 0.024) and Allisonella (OR = 0.93, 95% CI 0.89 to 0.98, P = 0.011) seems to be a protective factor for prostate cancer. Sensitivity analysis found no significant heterogeneity, horizontal pleiotropy, or reverse causal links in all causal associations. Conclusion This MR study lends support to a causal relationship between genetically predicted gut microbiota and prostate cancer. Research on the gut-prostate axis, along with further multi-omics analyses, holds significant implications for the prevention and treatment of prostate cancer.https://doi.org/10.1007/s12672-024-00925-1Mendelian randomizationProstate cancerRiskGut microbiotaGene
spellingShingle Li Wang
Yong-bo Zheng
Shan Yin
Kun-peng Li
Jia-hao Wang
Er-hao Bao
Ping-yu Zhu
Causal relationship between gut microbiota and prostate cancer contributes to the gut-prostate axis: insights from a Mendelian randomization study
Discover Oncology
Mendelian randomization
Prostate cancer
Risk
Gut microbiota
Gene
title Causal relationship between gut microbiota and prostate cancer contributes to the gut-prostate axis: insights from a Mendelian randomization study
title_full Causal relationship between gut microbiota and prostate cancer contributes to the gut-prostate axis: insights from a Mendelian randomization study
title_fullStr Causal relationship between gut microbiota and prostate cancer contributes to the gut-prostate axis: insights from a Mendelian randomization study
title_full_unstemmed Causal relationship between gut microbiota and prostate cancer contributes to the gut-prostate axis: insights from a Mendelian randomization study
title_short Causal relationship between gut microbiota and prostate cancer contributes to the gut-prostate axis: insights from a Mendelian randomization study
title_sort causal relationship between gut microbiota and prostate cancer contributes to the gut prostate axis insights from a mendelian randomization study
topic Mendelian randomization
Prostate cancer
Risk
Gut microbiota
Gene
url https://doi.org/10.1007/s12672-024-00925-1
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