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Design and Implementation of an fMRI Study Examining Thought Suppression in Young Women with, and At-risk, for Depression
Published on: May 19, 2015
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Shared genetic risk factors for depression and stroke.
Fuying Zhao1, Yingying Yue1, Haitang Jiang1
1Department of Psychosomatics and Psychiatry, ZhongDa Hospital, School of Medical, Institute of Psychosomatics, Southeast University, China.
Progress in Neuro-Psychopharmacology & Biological Psychiatry
|March 23, 2019
Summary
Shared genetic factors may link major depressive disorder (MDD) and stroke. Investigating these genetic variations could reveal molecular mechanisms underlying this common comorbidity.
Area of Science:
- Neuroscience
- Genetics
- Psychiatry
Background:
- Major depressive disorder (MDD) and stroke frequently co-occur.
- A bidirectional relationship exists between stroke and depression, but underlying mechanisms are unclear.
- Both conditions are heritable, suggesting potential shared genetic risk factors.
Purpose of the Study:
- To review evidence for common genetic risk factors in MDD and stroke.
- To explore potential pathophysiological mechanisms linking these disorders.
Main Methods:
- Systematic review and meta-analysis of gene association studies.
- Searched PubMed, CNKI, and Chinese Biomedical Literature Database.
- Statistical analysis performed using Revman 5.3.
Main Results:
- Methylenetetrahydrofolate reductase (MTHFR) and apolipoprotein E (ApoE) gene polymorphisms are associated with increased risk for both MDD and stroke.
- Associations for angiotensin converting enzyme (ACE) and serum paraoxonase (PON1) require further investigation due to limited sample sizes.
- Common mechanisms may include immune-inflammatory imbalance, oxidative stress, lipid metabolism dysregulation, and cerebrovascular changes.
Conclusions:
- Shared genetic pathways likely contribute to MDD and stroke comorbidity.
- Further research into shared genetic variations can elucidate disease progression mechanisms.
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