1. Contingent role of phoenixin and nesfatin‐1 on secretions of the male reproductive hormones
- Author
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Ebru Ozyurt, Aysenur Bas, Gokcen Guvenc, Murat Yalcin, Duygu Udum, Esra Kasikci, Burcin Altinbas, and Nasir Niaz
- Subjects
Male ,Pituitary gland ,medicine.medical_specialty ,Peptide Hormones ,Urology ,Neuropeptide ,Hypothalamic–pituitary–gonadal axis ,Male sex hormones ,Biology ,Gonadotropin-Releasing Hormone ,Endocrinology ,Internal medicine ,medicine ,Animals ,Nucleobindins ,Testosterone ,Rats, Wistar ,Hypothalamic Hormones ,Reproductive hormones ,General Medicine ,medicine.anatomical_structure ,Hypothalamus ,Gonadotropins, Pituitary ,Hormone - Abstract
Phoenixin (PNX) and nesfatin-1 are localised in the hypothalamus and the pituitary gland. Moreover, the most of the PNX-expressing neurons in the hypothalamus also co-express nesfatin-1. These outcomes may suggest that there is an interaction between PNX and nesfatin-1, at least in terms of neuroendocrine-mediated regulations. Hence, the study was planned to find out the effects of centrally delivered PNX and nesfatin-1 on male sex hormones or to show the interactive association of intracerebroventricularly (ICV) injected PNX+nesfatin-1 combination on the release of male hormones. PNX and nesfatin-1, single or together, were delivered ICV to different male Wistar Albino rat groups. Both PNX and nesfatin-1 induced a significant enhancement in plasma FSH, LH and testosterone without inducing any alteration in plasma GnRH in the rats. The central combinatorial treatment of both the neuropeptides produced a more potent rise in male plasma hormone levels than treating with single neuropeptide. In summary, our preliminary data show that centrally delivered PNX and nesfatin-1 can affect plasma male hormone levels. Moreover, that the combinatorial treatment with both the neuropeptides in male rats leading to a more potent effect on the plasma male hormone levels might suggest that both these neuropeptides act synergistically in terms of regulation of male HPGA.
- Published
- 2019