Causal relationship between body mass index, type 2 diabetes and bone mineral density: Mendelian randomization.

<h4>Objective</h4>To reveal the relationship between Body Mass Index(BMI), type 2 diabetes, and bone mineral density(BMD) using a mendelian randomization (MR) approach.<h4>Methods</h4>GWAS data on BMI, type 2 diabetes, and BMD were selected from the IEU GWAS database at the U...

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Main Authors: Weiwei Ma, Xiaohong Zhou, Xin Huang, Yong Xiong
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2023-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0290530&type=printable
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author Weiwei Ma
Xiaohong Zhou
Xin Huang
Yong Xiong
author_facet Weiwei Ma
Xiaohong Zhou
Xin Huang
Yong Xiong
author_sort Weiwei Ma
collection DOAJ
description <h4>Objective</h4>To reveal the relationship between Body Mass Index(BMI), type 2 diabetes, and bone mineral density(BMD) using a mendelian randomization (MR) approach.<h4>Methods</h4>GWAS data on BMI, type 2 diabetes, and BMD were selected from the IEU GWAS database at the University of Bristol.Univariable, multivariable, and mediated MR analyses were used to explore the relationship between BMI, type 2 diabetes, and BMD. beta(β) values were given, and three methods, including inverse variance weighting, MR-Egger regression, and weighted median, were used in this analysis.<h4>Results</h4>Univariable mendelian randomization (UVMR) results showed that BMI and type 2 diabetes were positively associated with BMD. However, the association between BMI and BMD was insignificant in the multivariable Mendelian randomization (MVMR) analysis, while that between type 2 diabetes and BMD remained significant. Mediated MR analysis indicated that type 2 diabetes mediated the regulation of BMD by BMI.<h4>Conclusion</h4>This study provides evidence supporting a positive causal association between BMI, type 2 diabetes, and BMD. Type 2 diabetes acts as a mediator in the regulation of BMD by BMI, indicating that both BMI and type 2 diabetes exert a protective influence on BMD.
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spelling doaj.art-348f6f43c7bb4a78988fc975fc17d05b2023-10-11T05:32:02ZengPublic Library of Science (PLoS)PLoS ONE1932-62032023-01-011810e029053010.1371/journal.pone.0290530Causal relationship between body mass index, type 2 diabetes and bone mineral density: Mendelian randomization.Weiwei MaXiaohong ZhouXin HuangYong Xiong<h4>Objective</h4>To reveal the relationship between Body Mass Index(BMI), type 2 diabetes, and bone mineral density(BMD) using a mendelian randomization (MR) approach.<h4>Methods</h4>GWAS data on BMI, type 2 diabetes, and BMD were selected from the IEU GWAS database at the University of Bristol.Univariable, multivariable, and mediated MR analyses were used to explore the relationship between BMI, type 2 diabetes, and BMD. beta(β) values were given, and three methods, including inverse variance weighting, MR-Egger regression, and weighted median, were used in this analysis.<h4>Results</h4>Univariable mendelian randomization (UVMR) results showed that BMI and type 2 diabetes were positively associated with BMD. However, the association between BMI and BMD was insignificant in the multivariable Mendelian randomization (MVMR) analysis, while that between type 2 diabetes and BMD remained significant. Mediated MR analysis indicated that type 2 diabetes mediated the regulation of BMD by BMI.<h4>Conclusion</h4>This study provides evidence supporting a positive causal association between BMI, type 2 diabetes, and BMD. Type 2 diabetes acts as a mediator in the regulation of BMD by BMI, indicating that both BMI and type 2 diabetes exert a protective influence on BMD.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0290530&type=printable
spellingShingle Weiwei Ma
Xiaohong Zhou
Xin Huang
Yong Xiong
Causal relationship between body mass index, type 2 diabetes and bone mineral density: Mendelian randomization.
PLoS ONE
title Causal relationship between body mass index, type 2 diabetes and bone mineral density: Mendelian randomization.
title_full Causal relationship between body mass index, type 2 diabetes and bone mineral density: Mendelian randomization.
title_fullStr Causal relationship between body mass index, type 2 diabetes and bone mineral density: Mendelian randomization.
title_full_unstemmed Causal relationship between body mass index, type 2 diabetes and bone mineral density: Mendelian randomization.
title_short Causal relationship between body mass index, type 2 diabetes and bone mineral density: Mendelian randomization.
title_sort causal relationship between body mass index type 2 diabetes and bone mineral density mendelian randomization
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0290530&type=printable
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AT xinhuang causalrelationshipbetweenbodymassindextype2diabetesandbonemineraldensitymendelianrandomization
AT yongxiong causalrelationshipbetweenbodymassindextype2diabetesandbonemineraldensitymendelianrandomization