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. 2024 Mar 2:79:100317.
doi: 10.1016/j.clinsp.2023.100317. eCollection 2024.

Evaluation of HLA-DQ2 and HLA-DQ8 haplotypes in patients with endometriosis, A case-control study

Marina P Andres  1 , Alessandra Peloggia  2 , Henrique M Abrao  3 , Thais F Magalhaes  4 , João Siufi Neto  3 , Mauricio Simões Abrão  5
Affiliations

Evaluation of HLA-DQ2 and HLA-DQ8 haplotypes in patients with endometriosis, A case-control study

Marina P Andres et al. Clinics (Sao Paulo). .

Abstract

Objective: To evaluate the relationship between genetic haplotypes associated with celiac disease (Human Leucocyte Antigen [HLA] DQ2 and DQ8) with the diagnosis, clinical presentation, and location of endometriosis in Brazilian women.

Method: A retrospective cross-sectional study, was conducted in a Tertiary hospital.

Patients: Women aged 18-50 years who underwent HLA-DQ2 and HLA-DQ8 haplotype analysis.

Intervention: The patients were divided into endometriosis and control groups and evaluated for symptoms; endometriosis location, American Society for Reproductive Medicine (ASRM) stage, and the presence of anti-tissue transglutaminase IgA (anti-TgA), HLA-DQ2, and HLA-DQ8 markers.

Results: A total of 434 consecutive patients with (n = 315) and without (n = 119) endometriosis were included. Pain and infertility were more frequent in the endometriosis group than in the control group. The presence of HLA-DQ2, HLA-DQ8, and anti-TgA was similar between both groups. The presence of HLA-DQ2 and HLA-DQ8 markers did not differ based on age, pain symptoms, ASRM stage, or endometriosis location.

Conclusion: Although there are similarities in inflammatory markers and pathophysiology between celiac disease and endometriosis, this study found no significant associations in the presence of HLA-DQ2 or HLA-DQ8 haplotypes and endometriosis.

Keywords: Anti-tissue transglutaminase IgA; Celiac Disease; Endometriosis; HLA-DQ2; HLA-DQ8.

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Conflict of interest statement

Declaration of Competing Interest The authors declare no conflicts of interest.

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