Auto- immunity highlights · 2019
Association of HLA-B27 and Behcet's disease: a systematic review and meta-analysis.
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Khabbazi Alireza, Vahedi Leila, Ghojazadeh Morteza, Pashazadeh Fariba, Khameneh Amin
Аннотация
BACKGROUND: To calculate the genetic impact of the "HLA-B27" allele on the risk of Behcet's disease (BD) progression using a systematic review and meta-analysis on case control papers.
METHODS: A systematic review search was conducted on the MeSH keywords of Behcet's disease, HLAB27 and B27 in PubMed, Scopus, ProQuest, EMBASE, SID, Magiran, IranDoc and IranMedex databases from 1975 to Aug 2017. Data underwent meta-analysis (random effect model) in CMA2 software. Pooled odds ratios with 95% confidence intervals were calculated for each study. The heterogeneity of the articles was measured using the I2 index.
RESULTS: Twenty two articles met the inclusion criteria for 3939 cases and 6077 controls. The pooled OR of "HLA-B27" in BD patients compared with controls was [1.55 (CI 95% 1.01-2.38), P = 0.04]. The OR differ among different countries or geographical areas, focus on domination the European countries. Quality of studies was moderate and heterogeneity was relatively high (I2 = 66.9%).
CONCLUSIONS: There is a significant correlation between HLA-B27 and Behcet's Disease, but it was weak. Environmental and genetic factors might determine which the "HLA-B27" alleles manifest Behcet's disease progression. Future researches is required to perform about what factors can do to positively and separately influence Behcet's disease.
METHODS: A systematic review search was conducted on the MeSH keywords of Behcet's disease, HLAB27 and B27 in PubMed, Scopus, ProQuest, EMBASE, SID, Magiran, IranDoc and IranMedex databases from 1975 to Aug 2017. Data underwent meta-analysis (random effect model) in CMA2 software. Pooled odds ratios with 95% confidence intervals were calculated for each study. The heterogeneity of the articles was measured using the I2 index.
RESULTS: Twenty two articles met the inclusion criteria for 3939 cases and 6077 controls. The pooled OR of "HLA-B27" in BD patients compared with controls was [1.55 (CI 95% 1.01-2.38), P = 0.04]. The OR differ among different countries or geographical areas, focus on domination the European countries. Quality of studies was moderate and heterogeneity was relatively high (I2 = 66.9%).
CONCLUSIONS: There is a significant correlation between HLA-B27 and Behcet's Disease, but it was weak. Environmental and genetic factors might determine which the "HLA-B27" alleles manifest Behcet's disease progression. Future researches is required to perform about what factors can do to positively and separately influence Behcet's disease.