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British Medical Bulletin 55:325-339 (1999)
© 1999 The British Council

research-article

DNA diagnostics: goals and Challenges

Christopher G Mathew

South Thames (East) Regional Genetics Center, Guy's and St Thomas's Hospitals Trust, Guy's Hospital London, UK

Correspondence to: Professor CG Mathew, Division of Medical and Molecular Genetics, GKT School of Medicine, 8th Floor Guy's Tower, Guy's Hospital, London SE1 9RT, UK

Abstract

The exponential increase in the discovery of human disease genes over the past 10 years has transformed DNA diagnostics from a minor research-based activity to a major professional operation. Mutation testing and linkage analysis are now used to provide prenatal or postnatal diagnosis for a wide range of monogenic disorders, but robust automated procedures for scanning disease genes for mutations are not yet available. The discovery of genes which confer susceptibility to common disorders is likely to create demand for high throughput testing for specific mutations or clinically relevant polymorphisms. Widespread genetic testing must be supported by adequate genetic counselling and by education of healthcare professionals in order to ensure the appropriate application of this information for the benefit of patients and their families.


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C. Mathew
Science medicine and the future: Postgenomic technologies: hunting the genes for common disorders
BMJ, April 28, 2001; 322(7293): 1031 - 1034.
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