Table 4: Allele frequencies of GCLM (-588C/T) and GCLC (-129T/C) promoter polymorphism genes in Kazakhstan population (controls) and other earlier studied Asian and European populations.

PolymorphismAllelesFrequency of alleles
Control cohort (Kazakhstan population)Data from different sources
Asian populationsEuropean populations

GCLM (-588C/T)C0.8610.836–0.906 [36]0.80–0.847, [28]
T0.1390.094–0.164 [36]0.160–0.20 [28, 36]
GCLC (-129T/C)C0.8890.911 [11]0.929–0.931 [27, 37],
T0.1110.089 [11]0.069–0.071 [27, 37]