Association of HLA-G polymorphisms with systemic lupus erythematosus and correlation between soluble HLA G levels and the disease: a meta-analysis
- Association of HLA-G polymorphisms with systemic lupus erythematosus and correlation between soluble HLA G levels and the disease: a meta-analysis
- Issue Date
- SPRINGER HEIDELBERG
- ZEITSCHRIFT FUR RHEUMATOLOGIE, v. 80, no. 1, page. 96-102
- Objective: To investigate the association between HLA‑G polymorphisms and systemic lupus erythematosus (SLE) susceptibility as well as the relationship between circulating soluble HLA‑G (sHLA‑G) levels and SLE.
Methods: A meta-analysis was performed to investigate the relationships between HLA‑G 14-bp insertion (I)/deletion (D), +3142 G/C, +3035 T/C, and +3003 C/T polymorphisms and SLE as well as the relationship between sHLA‑G serum/plasma levels in SLE patients and controls.
Results: Eleven publications fulfilled our inclusion criteria. Meta-analysis under the dominant model showed an association in the overall group between the II+ID genotype of HLA‑G 14-bp I/D polymorphism and SLE (OR = 1.213, 95%CI = 1.077–1.365, P = 0.001). Ethnicity-specific meta-analysis showed an association between II+ID and SLE in Asians but not in South American and European populations. No correlation was observed using the allele contrast between HLA‑G +3142 G/C polymorphisms and SLE. Contrastingly, +3035 T/C and +3003 C/T meta-analysis showed a significant allelic association between SLE and HLA‑G polymorphisms (OR = 1.378, 95%CI = 1.109–1.713, P = 0.004; OR = 1.834, 95%CI = 1.112–3.022, P = 0.017; respectively). sHLA‑G levels were significantly higher in the SLE group than in the controls (SMD = 0.637, 95%CI = 0.382–0.892, P < 0.001).
Conclusion: We showed association of HLA‑G 14-bp I/D, +3035 T/C, and +3003 C/T polymorphisms with SLE susceptibility and significantly higher circulating sHLA‑G levels in SLE patients.
- 0340-1855; 1435-1250
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