Related Experiment Video
Updated: Aug 17, 2025
08:13
Establishment of an Experimental Mouse Model of Endometrioma to Study its Related Infertility
Published on: April 5, 2024
930
Educational attainment and endometrial cancer: A Mendelian randomization study
Qixia Wang1,2, Runchen Wang1,2, Chao Chen1,2
1Department of Obstetrics and Gynecology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.
Frontiers in Genetics
|December 16, 2022
Summary
Low educational attainment is a causal risk factor for endometrial cancer (EC). Increased years of education are linked to a reduced EC risk, potentially mediated by lower obesity, waist-to-hip ratio, and diabetes.
Area of Science:
- Genetics
- Epidemiology
- Public Health
Background:
- Low educational attainment is linked to various diseases, but its association with endometrial cancer (EC) remains unclear.
- Previous observational studies show inconsistent conclusions regarding education and EC risk.
- This study investigates the potential causal relationship between educational attainment and EC.
Purpose of the Study:
- To determine if educational attainment causally influences the risk of developing endometrial cancer.
- To explore potential mediating factors in the relationship between education and EC.
- To provide evidence for public health interventions targeting educational disparities and EC prevention.
Main Methods:
- Mendelian Randomization (MR) analysis using genome-wide association study (GWAS) summary data.
- Instrumental variables for educational attainment (306 SNPs) and EC (from multiple consortia and UK Biobank).
- Inverse variance weighted (IVW) method as primary analysis, with MR-Egger, weighted median, MR-PRESSO, and leave-one-out sensitivity analyses to assess pleiotropy.
Main Results:
- Genetic predisposition to 4.2 additional years of education was associated with a 38% lower risk of EC (OR 0.72, P=1.65*10^-5).
- Sensitivity analyses confirmed the reliability of the causal estimates, indicating no significant pleiotropy.
- Higher educational attainment showed genetic links to reduced risk of obesity, high waist-to-hip ratio (WHR), and diabetes.
Conclusions:
- Low educational attainment is a causal risk factor for endometrial cancer, particularly endometrioid histology.
- Obesity, high WHR, and diabetes may act as mediators in the causal pathway from low education to EC.
- Findings support the role of educational attainment in EC etiology and highlight potential targets for prevention strategies.
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