Latent Association Between Diets and Glioma Risk: A Mendelian Randomization Analysis
- Jixiang Zhao 1, Changjia He 1, Haoqun Xie 1, Yunzhi Zou 1, Zeming Yan 1, Jingen Deng 1, Yizhi Du 1, Wenzhuo Yang 1, Xiangheng Zhang 1
- Jixiang Zhao 1, Changjia He 1, Haoqun Xie 1
- 1State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou 510060, China.
- 0State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou 510060, China.
Related Experiment Videos
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.This study used Mendelian randomization to explore diet and glioma risk. Cooked vegetable intake may increase glioblastoma risk, while alcohol intake might protect against non-GBM gliomas, though beer consumption shows an increased risk.
Area Of Science
- Nutritional epidemiology
- Cancer research
- Genetic epidemiology
Background
- Gliomas, especially glioblastoma, have poor prognoses.
- Dietary factors are suspected to influence glioma risk, but observational studies face confounding.
- Mendelian randomization is used to investigate causal links between diet and glioma.
Purpose Of The Study
- To investigate the causal relationship between various dietary factors and glioma risk.
- To differentiate risk for glioblastoma (GBM) and non-GBM gliomas.
Main Methods
- A two-sample Mendelian randomization (MR) framework was employed.
- Genome-wide association study data for 22 dietary exposures and glioma risk were analyzed.
- Inverse-variance weighted regression, MR-Egger, and MR-PRESSO were used for causal inference and pleiotropy assessment.
Main Results
- Cooked vegetable intake showed a positive causal association with glioblastoma risk (OR = 6.55).
- Alcohol intake was protective for non-GBM glioma risk (OR = 0.770).
- Beer consumption was linked to increased non-GBM glioma risk (OR = 4.82); other factors were not significant.
Conclusions
- Cooked vegetable intake, beer consumption, and alcohol intake may causally influence glioma risk.
- Findings suggest specific dietary components as potential modifiable risk factors.
- Further research is needed to explore dietary determinants for glioma prevention.
Related Experiment Videos
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
Related Concept Videos
01:11
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
02:59
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...

