Neurokinin B Administration Induces Dose Dependent Proliferation of Seminal Vesicles in Adult Rats.

Autor:	Ramzan MH; Department of Physiology, Khyber Medical University Institute of Medical Sciences (KMU-IMS), Kohat 26000, Pakistan.; Department of Physiology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar25100, Pakistan., Shah M; Department of Physiology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, 25100, Pakistan., Ramzan F; Department of Animal Sciences, Faculty of Veterinary and Animal Sciences (FVAS), Gomal University, Dera Ismail Khan, 29050, Pakistan.
Jazyk:	angličtina
Zdroj:	Current protein & peptide science [Curr Protein Pept Sci] 2024; Vol. 25 (4), pp. 339-352.
DOI:	10.2174/0113892037264538231128072614
Abstrakt:	Background: Neurokinin B; an endogenous decapeptide, mediates its reproductive physiological actions through gonadotropin releasing hormone. Despite the potential role of Neurokinin B on seminal vesicles, its effects on seminal vesicles in adult male mammals remain elusive. We aimed to investigate the potentials of variable doses of Neurokinin B, its agonist and antagonist on histomorphology and expression of NK3R on seminal vesicles, and secretory activity of seminal vesicles in adult male rats. Methods: Adult male Sprague Dawley rats (n=10 in each group) were administered intraperitoneally with Neurokinin B in three variable doses: 1 μg, 1 ηg and 10 ρg while, Senktide (Neurokinin B agonist) and SB222200 (Neurokinin B antagonist) in 1 μg doses consecutively for 12 days. After 12 days of peptide treatment, half of the animals (n=05) in each group were sacrificed while remaining half (n=05) were kept for another 12 days without any treatment to investigate treatment reversal. Seminal vesicles were dissected and excised tissue was processed for light microscopy, immunohistochemistry and estimation of seminal fructose levels. Results: Treatment with Neurokinin B and Senktide significantly increased while SB222200 slightly decrease the seminal vesicles weight, epithelial height and seminal fructose levels as compared to control. Light microscopy revealed increased epithelial height and epithelial folding as compared to control in all Neurokinin B and Senktide treated groups while decreased in SB222200. Effects of various doses of Neurokinin B, Senktide and SB222200 on seminal vesicles weight, epithelial height, seminal fructose levels and histomorphology were reversed when rats were maintained without treatments. Immuno-expression of Neurokinin B shows no change in treatment and reversal groups. Conclusion: Continuous administration of Neurokinin B and Senktide effect positively while SB222200 have detrimental effects on cellular morphology, epithelial height and seminal fructose levels in seminal vesicles. Effects of peptide treatments depicted a reversal towards control group when rats were kept without any treatment. (Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.)
Databáze:	MEDLINE
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