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Phosphoglucomutase-1 polymorphism among Chinese in Taiwan.

M Lin-Chu1, J H Loo, M A Hayward

  • 1Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan, R.O.C.

Human Heredity
|January 1, 1991
PubMed
Summary

This study analyzed Phosphoglucomutase-1 (PGM1) gene variants in 1,128 Chinese blood donors. The PGM1 W21 variant was identified as the most common rare variant within this population.

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Area of Science:

  • Biochemistry
  • Genetics
  • Population Studies

Background:

  • Phosphoglucomutase-1 (PGM1) is a crucial enzyme in carbohydrate metabolism.
  • Understanding PGM1 gene and protein polymorphism is vital for population genetics and forensic science.
  • Previous studies have established PGM1 allele frequencies in various ethnic groups.

Purpose of the Study:

  • To determine the PGM1 gene and phenotype frequencies in a Chinese blood donor population.
  • To identify and characterize rare PGM1 variants in this cohort.
  • To establish a baseline for PGM1 genetic variation in China.

Main Methods:

  • Thin-layer isoelectric focusing on agarose was employed for PGM1 phenotyping.
  • A total of 1,128 Chinese blood donors were analyzed.
  • Gene and phenotype frequencies were calculated based on the observed electrophoretic patterns.

Main Results:

  • The common PGM1 allele frequencies were determined as 1A (0.6005), 1B (0.1500), 2A (0.1510), and 2B (0.0973).
  • A total frequency of 0.0058 was observed for rare PGM1 variants.
  • The PGM1 W21 variant was the most prevalent rare variant, with a phenotype frequency of 0.8% in the Chinese population.

Conclusions:

  • The study provides comprehensive PGM1 gene frequencies for Chinese blood donors.
  • PGM1 W21 is identified as a significant rare variant in the Chinese population.
  • These findings contribute to the genetic database of PGM1 in East Asian populations.

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