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Polymorphic sequence variants in medicine: a challenge and an opportunity.
Shirley V Hodgson1, Sanjay Popat
1St George's Hospital Medical School, and St George's Hospital, London. s.hodgson@sghms.ac.uk
Clinical Medicine (London, England)
|July 10, 2003
Summary
Detecting DNA sequence variants offers healthcare benefits but raises ethical and privacy concerns. High-impact variants, like those affecting drug metabolism, are crucial for medical management, necessitating robust biobanking and ethical guidelines.
Area of Science:
- Genetics and Genomics
- Bioethics
- Pharmacogenomics
Background:
- Polymorphic DNA sequence variants present opportunities for personalized medicine.
- Many variants have minor impacts on disease susceptibility, limiting clinical utility.
- Ethical considerations and data confidentiality are paramount in genetic research.
Purpose of the Study:
- To evaluate the clinical utility of detecting polymorphic DNA variants.
- To address the ethical challenges and confidentiality issues associated with genetic variant detection.
- To highlight the importance of biobanking initiatives for genetic research.
Main Methods:
- Review of current literature on DNA sequence variant detection.
- Analysis of the clinical significance of various polymorphisms.
- Discussion of ethical frameworks and confidentiality measures in biobanking.
Main Results:
- Most DNA polymorphisms offer limited value for improving healthcare due to minor effects.
- High-penetrance mutations and variants affecting drug metabolism are clinically significant.
- Biobank development underscores the need for stringent confidentiality and ethical oversight.
Conclusions:
- Focusing on high-impact genetic variants can enhance healthcare outcomes.
- Ethical considerations and data privacy must guide the use of genetic information.
- Biobanking initiatives require careful management to balance research potential with individual rights.