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Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
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Multiple thyroid disorders and risk of osteoporosis: a two-sample Mendelian randomization study
Guang Shi1, Zhao Lin2,3, Qixiao Shen4
1Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430000, Hubei Province, China.
Journal of Bone and Mineral Metabolism
|December 6, 2024
Summary
Hypothyroidism and Hashimoto's thyroiditis causally increase osteoporosis risk. This study used Mendelian randomization to link thyroid function to bone health, emphasizing the need for further research.
Area of Science:
- Endocrinology and Bone Metabolism
- Genetic Epidemiology
Background:
- Thyroid dysfunction is linked to osteoporosis (OP) risk.
- The causal relationship between thyroid disorders and OP development is not fully understood.
Purpose of the Study:
- To investigate the causal association between genetic predispositions to thyroid disorders and osteoporosis.
- Utilizing a two-sample Mendelian randomization (MR) approach.
Main Methods:
- Sourced instrumental variables for thyroid disorders from GWAS meta-analysis.
- Obtained osteoporosis data from the FinnGen consortium.
- Employed inverse variance weighting (IVW) as the primary MR analysis method with sensitivity analyses.
Main Results:
- Hypothyroidism showed a causal effect on osteoporosis (OR=1.105, P=0.011).
- Hashimoto's thyroiditis demonstrated a causal association with osteoporosis (OR=1.142, P=0.015).
- No causal link was found for hyperthyroidism or thyroid cancer with osteoporosis.
Conclusions:
- Confirmed a causal association between hypothyroidism, Hashimoto's thyroiditis, and osteoporosis.
- Underscores the significant impact of thyroid function on bone health.
- Recommends further longitudinal studies for conclusive evidence.
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