Ifra Ashraf, Irum Rehman, Khurram Irshad, Riffat Shafi.
Effect of Kisspeptin on Serum Prolactin and Gonadotropins Levels in Balb-c Mice with Induced Chronic Stress.
J Coll Physicians Surg Pak Jan ;29(1):41-4.

Objective: To determine and compare effects of kisspeptin on serum prolactin, luteinizing hormone and follicle stimulating hormone levels in Balb-c mice with and without exposure to chronic restraint stress. Study Design: An animal experimental study. Place and Duration of Study: Shifa College of Medicine / Shifa International Hospital Islamabad, in collaboration with National Institute of Health, Islamabad and Centre for Research in Experimental and Applied Medicine Laboratory, Army Medical College, Rawalpindi, from April 2014 to June 2015. Methodology: Mice divided into three groups, each containing 30 mice. Control group (group A) received intraperitoneal injection of saline, group B was administered with intraperitoneal injection of saline and restrained stress, and group C was administered with both stress and kisspeptin 100 ng daily for four weeks. Restraint stress was applied to groups B and C for three hours per day by immobilising individual mice in wire-mesh restrainers. At the end of four weeks blood sampling was done. Serum luteinizing hormones (LH), serum follicular stimulating hormone (FSH) and serum prolactin (PRL) were analysed by ELISA. Results: Serum prolactin level increased in group B (stressed) and group C (stressed + kisspeptin treated) as compared to control group; and decreased in group C as compared to group B. Serum LH and FSH in group B was decreased as compared to control, and it was increased in group C as compared to control and group B. Conclusion: Administration of kisspeptin increases level of gonadotropins and reduces stress-induced hyperprolactinemia, which may improve fertility despite stress in animal.

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