Abstract
Background/aim The exact cause of systemic lupus erythematosus (SLE), an autoimmune disorder, is still vague. However, it is believed that its pathogenesis could be a result of the interplay between genetics and the environment. One such genetic factor is a single-nucleotide polymorphism in the CD11b gene (rs1143679) that has been shown to potentially increase a person’s susceptibility to SLE. This study aims to investigate the possible link of CD11b rs1143679 gene polymorphism to the risk of developing SLE, as well as the different manifestations and the disease severity in the studied group of Egyptian SLE patients. Patients and methods The present study enrolled 50 patients with SLE from Benha University Hospitals, Egypt. In addition to 30 apparently healthy individuals served as control, the CD11b gene (rs1143679) genetic variant was investigated by real-time PCR. The individuals with SLE were based on the Systemic Lupus International Collaborating Clinics criteria. Results A significant association of GA genotype (odds ratio=1.908, 95% confidence interval=1.021–3.568, P<0.05) with the risk to develop SLE and A allele was also linked to an elevated risk for SLE in comparison to the G allele (odds ratio=1.881, 95% confidence interval=1.038–3.408, P<0.05). Conclusion The CD11b rs1143679 gene polymorphism might be a potential risk factor for SLE in Egyptians.
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