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Nomenclature for human DPYD alleles
H L McLeod1, E S Collie-Duguid, P Vreken
1Department of Medicine and Therapeutics, Institute of Medical Sciences, University of Aberdeen, UK. h.l.mcleod@abdn.ac.uk
Pharmacogenetics
|January 26, 1999
Summary
A new standardized nomenclature for DPYD (dihydropyrimidine dehydrogenase) alleles is proposed. This system uses DPYD followed by an asterisk and a numeral to clearly identify distinct genetic variations.
Area of Science:
- Genetics
- Human Genome Research
- Pharmacogenomics
Background:
- Current DPYD allele nomenclature is arbitrary and lacks standardization.
- Existing systems do not consistently conform to international human gene nomenclature guidelines.
- Clear nomenclature is essential for accurate genetic reporting and clinical interpretation.
Purpose of the Study:
- To propose a standardized nomenclature for DPYD alleles.
- To align DPYD nomenclature with international human gene nomenclature guidelines.
- To establish clear criteria for classifying distinct DPYD alleles.
Main Methods:
- Developed a systematic naming convention based on human genome nomenclature recommendations.
- Proposed using 'DPYD*' followed by Arabic numerals to denote alleles.
- Incorporated a letter suffix to indicate additional mutations on a mutant allele.
- Defined criteria for classifying unique DPYD alleles.
Main Results:
- A proposed standardized nomenclature system for DPYD alleles.
- The system utilizes 'DPYD*#' format for primary mutations.
- Additional mutations are indicated by a letter suffix (e.g., DPYD*1A).
- Criteria for allele classification are presented.
Conclusions:
- The proposed nomenclature offers a standardized and systematic approach to DPYD allele identification.
- This system enhances clarity and consistency in genetic reporting.
- Adoption of this nomenclature will improve DPYD variant interpretation in research and clinical settings.