ACE2 and coronary artery disorder: The results indicate that there is a statistically significant difference in the allele frequencies of rs2910164 genotype in the microRNA146a gene, rs2285666 genotype in the ACE2, as well as rs1743963 and rs1763509 genotypes in the SGK1 gene between the patient group (CHD-D) and the control group (CHD-nD).