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G-6-PD variants in Chinese in Thailand
Summary
Five glucose-6-phosphate dehydrogenase (G-6-PD) variants were identified in southern Chinese males in Thailand. The most common G-6-PD variants found were Canton and Dhon.
Area of Science:
- Biochemistry
- Genetics
- Hematology
Background:
- Glucose-6-phosphate dehydrogenase (G-6-PD) deficiency is a common inherited red blood cell disorder.
- Southern Chinese populations exhibit genetic diversity in G-6-PD deficiency.
Purpose of the Study:
- To characterize erythrocyte G-6-PD variants in southern Chinese males residing in Thailand.
- To identify the prevalence of different G-6-PD variants within this specific demographic.
Main Methods:
- Partial purification of erythrocyte G-6-PD enzyme.
- Biochemical characterization of enzyme variants.
- Analysis of G-6-PD deficient individuals.
Main Results:
- Five distinct G-6-PD variants were identified: Canton (8 individuals), Dhon/Taipei-Hakka (8), Mahidol/B(-)Chinese (6), Haad Yai (1), and Hong Kong (1).
- One individual presented an enzyme profile potentially indicating G-6-PD Haad Yai or a novel variant.
- G-6-PD Canton and G-6-PD Dhon were the most prevalent variants in the studied group.
Conclusions:
- The study identified a spectrum of G-6-PD variants in southern Chinese males in Thailand.
- Genetic diversity of G-6-PD deficiency exists within this population, with Canton and Dhon variants being most common.