Polycystic Ovary Syndrome (PCOS) is a widespread endocrine-reproductive-metabolic condition with severe implications for females’ health. The role of four essential parameters on PCOS, including Human Leukocyte Antigens (HLA) represented by the HLA-B*0702 allele, anti-Follicle Stimulating Hormone (anti-FSH) antibodies, anti-Luteinizing Hormone (anti-LH) antibodies, and vitamin D3 was investigated. A total of 100 samples were collected from Kurdish women attended the Maternity Teaching Hospital and some private hospitals/laboratories in Erbil City from October, 2021 to January, 2022. The samples were genotyped using a PCR-based technique with specific sequence primers. The levels of anti-FSH and anti-LH antibodies were determined using an Enzyme-Linked Immunosorbent Assay (ELISA), while vitamin D3 levels were measured by an Electrochemiluminescence (ECL) test on Cobas e411 immunoassay system. The Odds Ratio (OR) of 2.167 at a 95% Confidence Interval (CI) of 0.8167 to 6.330, indicated an essential link between the HLA-B*0702 allele and a risk of PCOS. Anti-FSH and anti-LH antibodies were significantly greater in PCOS patients, notably infertile women, than in healthy controls. A significant positive linear correlation was observed between antibodies against FSH and LH in patients. Most patients and controls had hypovitaminosis D3, with a significant difference (P-value 0.01). The results indicated that the HLA-B*0702 allele is associated with PCOS susceptibility and could be used as an immunogenetic marker. It also supported the idea that anti-FSH and anti-LH antibodies are naturally presence antibodies in PCOS patients instead of signs for autoimmunity. Women suffer from PCOS are also more prone to develop vitamin D3 deficiency.
Key words: Anti-FSH; Anti-LH; HLA- genotyping; Polycystic Ovary Syndrome; Vitamin D3
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