Assessment of the −174G/C (rs1800795) and −572G/C (rs1800796) Interleukin 6 Gene Polymorphisms in Egyptian Patients with Rheumatoid Arthritis
DOI:
https://doi.org/10.3889/oamjms.2016.110Keywords:
Rheumatoid arthritis, Interleukin 6, IL6–174G/C, IL6–572G/C, gene polymorphismAbstract
AIM: This study aimed to investigate genotype and allele frequencies of −174 (rs1800795) and −572 (rs1800796) IL-6 promoter gene polymorphisms in Egyptian patients with rheumatoid arthritis (RA) in comparison to control group.
METHODS: The study was conducted on 198 Egyptian subjects (99 RA patients and 99 healthy control).The promoter region of the IL-6 gene was amplified by PCR using DNAs from patients and the controls, and their PCR products were digested by suitable enzymes.
RESULTS: No statistical differences were found in −572G/C genotype (P = 0.177) or allele (P = 0.147) frequencies between RA patients and controls. Significant differences were observed in −174G/C genotype (P ˂ 0.001) and allele (P ˂ 0.001) frequencies between RA patients and controls.
CONCLUSION: A significant association of IL-6 −174G/C gene polymorphism and RA in Egyptian population was found with significantly higher frequencies of GC and CC genotypes and C allele in RA patients compared to controls. No association was found between IL-6 −572G/C gene polymorphism and RA.Downloads
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