Association of kisspeptin in patients with poly cystic ovarian syndrome

Background: Poly cystic ovarian syndrome (PCOS) is a complex multifactorial disorder, affecting millions of women worldwide. Kisspeptin, a hypothalamic peptide encoded by the KISS1 gene, is widely reported as a key factor in the regulation of luteinizing hormone (LH)/follicular stimulating hormone (FSH) secretion, which may be potentially involved with the development of PCOS. The aim of the study was to estimate the serum kisspeptin level in PCOS patients and evaluate the association of kisspeptin with other biochemical, and hormonal parameters in women with PCOS.Methods: This case-control study was conducted at the department of reproductive endocrinology and infertility, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from August 2020 to July 2021. A total of 90 patients between age 18-30 years were enrolled in this study. Data was collected on variables of interest by using the structured questionnaire designed for interview, observation, clinical examination, and biochemical investigation of the patients and analyzed by using the t-test, non-parametric test (Mann-Whitney U test) and chi-square test as appropriate.Results: We found no significant difference between PCOS & control group, but acanthosis nigricans (AN), waist hip (W:H) ratio were statistically significant in PCOS group. We found serum LH (11.98±6.29 mIU/ml), LH: FSH (1.71±0.92), AMH (10.09±3.8 ng/ml), fasting insulin (26.53±28.34 µU/ml), ovarian volume (16.91±4.57), was significantly higher in PCOS patients. Kisspeptin value in PCOS patients was 85.92±56.59 pg/ml and control group was 63.74±43.16 pg/ml. In the PCOS group, there was a positive correlation between kisspeptin and LH, AMH, and ovarian volume.Conclusions: Serum kisspeptin levels were similar in women with or without PCOS but positively correlated with ovarian volume, serum LH and AMH in PCOS patients.