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The genetics of obsessive-compulsive disorder
M T Pato1, K M Schindler, C N Pato
1Department of Psychiatry, State University of New York at Buffalo Laboratory of Psychiatric and Molecular Genetics, 3435 Main Street, Buffalo, NY 14214, USA.
Current Psychiatry Reports
|March 29, 2001
Summary
Obsessive-compulsive disorder (OCD) is a heritable condition, but its genetic underpinnings remain largely unknown. This review highlights current evidence and recent molecular genetic findings for OCD.
Area of Science:
- Genetics
- Psychiatry
- Neuroscience
Background:
- Growing evidence suggests a significant hereditary component to obsessive-compulsive disorder (OCD).
- The precise genetic factors contributing to OCD remain poorly understood.
- The complex inheritance and heterogeneous nature of OCD present analytical challenges.
Purpose of the Study:
- To review the existing evidence implicating genetics in obsessive-compulsive disorder.
- To highlight recent advancements in molecular genetic research for OCD.
Main Methods:
- Review of published literature on the genetics of obsessive-compulsive disorder.
- Focus on candidate-gene association studies and other molecular genetic techniques.
- Analysis of evidence supporting the heritability of OCD.
Main Results:
- Substantial evidence supports the heritability of obsessive-compulsive disorder.
- Molecular genetic studies are beginning to identify potential genetic components.
- Recent findings offer new insights into the genetic architecture of OCD.
Conclusions:
- Obsessive-compulsive disorder has a strong genetic basis.
- Continued molecular genetic research is crucial for understanding OCD's etiology.
- Advances in genetic analysis promise to unravel the complexities of OCD inheritance.