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- Title
Genetic prediction of the causal relationship between schizophrenia and tumors: a Mendelian randomized study.
- Authors
Xintong Zhou; Qi Liu; Shihan Liu; Liquan Wang; Zhongli Sun; Changgang Sun; Xiangning Cui
- Abstract
Background: Patients with schizophrenia are at a higher risk of developing cancer. However, the causal relationship between schizophrenia and different tumor types remains unclear. Methods: Using a two-sample, two-way Mendelian randomization method, we used publicly available genome-wide association analysis (GWAS) aggregate data to study the causal relationship between schizophrenia and different cancer risk factors. These tumors included lung adenocarcinoma, lung squamous cell carcinoma, small-cell lung cancer, gastric cancer, alcohol-related hepatocellular cancer, tumors involving the lungs, breast, thyroid gland, pancreas, prostate, ovaries and cervix, endometrium, colon and colorectum, and bladder. We used the inverse variance weighting (IVW) method to determine the causal relationship between schizophrenia and different tumor risk factors. In addition, we conducted a sensitivity test to evaluate the effectiveness of the causality. Results: After adjusting for heterogeneity, evidence of a causal relationship between schizophrenia and lung cancer risk was observed (odds ratio [OR] =1.001, 95% confidence interval [CI], 1.000-1.001; P=0.0155). In the sensitivity analysis, the causal effect of schizophrenia on the risk of lung cancer was consistent in both direction and degree. However, no evidence of causality or reverse causality between schizophrenia and other tumors was found. Conclusion: This study elucidated a causal relationship between the genetic predictors of schizophrenia and the risk of lung cancer, thereby providing a basis for the prevention, pathogenesis, and treatment of schizophrenia in patients with lung cancer.
- Subjects
SCHIZOPHRENIA; BLADDER cancer; HEPATOCELLULAR carcinoma; LIVER cancer; GENOME-wide association studies; TUMORS; CERVIX uteri tumors; PATERNAL age effect
- Publication
Frontiers in Oncology, 2024, p1
- ISSN
2234-943X
- Publication type
Article
- DOI
10.3389/fonc.2024.1321445