Causal relationship between thyroid dysfunction and ovarian cancer: a two-sample Mendelian randomization study
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View abstract on PubMed
Summary
This summary is machine-generated.This study used Mendelian randomization to investigate the causal link between thyroid dysfunction and ovarian cancer (OC) risk. Findings suggest hyperthyroidism may increase OC risk, offering insights for early prevention.
Area Of Science
- Endocrinology and Oncology
- Genetic Epidemiology
Background
- Observational studies suggest a link between thyroid dysfunction and increased ovarian cancer (OC) risk.
- The causal relationship between thyroid dysfunction and OC remains uncertain.
- Mendelian randomization (MR) can help elucidate potential causal effects.
Purpose Of The Study
- To investigate the causal impact of thyroid dysfunction on ovarian cancer (OC) risk using a Mendelian randomization (MR) study.
- To determine if genetic predisposition to thyroid dysfunction influences OC risk.
Main Methods
- Utilized genome-wide association study (GWAS) data for thyroid-related traits (TSH, FT4, hypothyroidism, hyperthyroidism) as exposures.
- Selected ovarian cancer (OC) data from a large cohort (N=199,741) as the outcome.
- Employed inverse variance-weighted (IVW) method and conducted sensitivity analyses to ensure result robustness.
Main Results
- A genetic predisposition to hyperthyroidism was associated with a potential increase in ovarian cancer (OC) risk (OR=1.094, p=0.004).
- No significant causal effect was found for hypothyroidism, TSH, or FT4 on OC risk.
- Sensitivity analyses confirmed the reliability of the findings, showing no significant heterogeneity or pleiotropy.
Conclusions
- This MR study provides evidence supporting a correlation between hyperthyroidism and increased ovarian cancer (OC) risk.
- Genetically predicted hyperthyroidism offers potential insights for early prevention and intervention strategies for OC.
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