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The future of psychiatric genetics.
Marianne B M van den Bree1, Michael J Owen
1Department of Psychological Medicine, University of Wales, College of Medicine, Heath Park, Cardiff CF14 4XN, UK. vandenbreemb@cf.ac.uk
Annals of Medicine
|June 11, 2003
Summary
Genetic research has advanced Mendelian disorders but faces challenges with complex diseases. This article reviews these difficulties and suggests future research directions for complex genetic traits.
Area of Science:
- Genetics and Human Disease Research
Background:
- Geneticists predicted revolutions in understanding human disease and behavior.
- Progress has been significant for simple Mendelian inheritance patterns.
- Expectations remain unfulfilled for complex inheritance disorders and traits.
Purpose of the Study:
- To examine the challenges complex diseases present to genetic research.
- To discuss current progress in the field.
- To propose future research directions.
Main Methods:
- Review of existing literature on complex disease genetics.
- Analysis of difficulties in genetic research for complex traits.
- Synthesis of progress and identification of future avenues.
Main Results:
- Complex diseases pose unique and significant difficulties to genetic research.
- Progress in understanding complex inheritance has been slower than anticipated.
- Specific challenges include polygenicity, environmental interactions, and heterogeneity.
Conclusions:
- Overcoming challenges in complex disease genetics requires innovative approaches.
- Future research should focus on advanced methodologies and interdisciplinary collaboration.
- Continued genetic research is crucial for understanding complex human diseases and behaviors.