Levels of spexin and its receptors GALR2 and GALR3 in the hypothalamus and ovary of letrozole-induced polycystic ovary syndrome in rats
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| dc.abstract.en | Spexin (SPX) is a newly identified neuropeptide, a natural ligand for the galanin receptors (GALR) 2/3, which is involved in maintaining physiological functions including female reproduction. One of the most common endocrine disorder in reproductive system is polycystic ovary syndrome (PCOS), however the role of SPX in PCOS is still unknown. The objective of this study was to determine the expression of mRNA and peptide levels of SPX and its receptors GALR2/3 in the hypothalamus and ovary (by real time PCR and Western blot) as well as plasma levels of SPX (ELISA) in letrozole - induced PCOS rats. We observed that SPX plasma level does not change in PCOS rats. In the hypothalamus transcript level of Spx and Galr3 were significantly higher in PCOS rats compared to the control, while mRNA of Galr2 and protein expression of GALR2/3 were lower. Moreover, expression of Spx and Galr2/3 mRNA as well as GALR2/3 peptide production were lower in the ovary of PCOS rats. In summary, while our results did not show differences in plasma SPX levels, we observed tissue-dependent significant differences in the SPX/GALR2/3 levels between PCOS and control rats, what indicates possible new mechanisms of PCOS neuroendocrinology. | |
| dc.affiliation | Wydział Medycyny Weterynaryjnej i Nauk o Zwierzętach | |
| dc.affiliation.institute | Katedra Fizjologii, Biochemii i Biostruktury Zwierząt | |
| dc.contributor.author | Respekta, Natalia | |
| dc.contributor.author | Maślanka, Agnieszka | |
| dc.contributor.author | Mlyczyńska, Ewa | |
| dc.contributor.author | Billert, Maria | |
| dc.contributor.author | Szlaga, Agata | |
| dc.contributor.author | Sambak, Patryk | |
| dc.contributor.author | Pawlicki, Piotr | |
| dc.contributor.author | Płachno, Bartosz | |
| dc.contributor.author | Skrzypski, Marek | |
| dc.contributor.author | Kotula – Balak, Małgorzata | |
| dc.contributor.author | Błasiak, Anna | |
| dc.contributor.author | Rak, Agnieszka | |
| dc.date.accessioned | 2026-02-09T08:13:08Z | |
| dc.date.available | 2026-02-09T08:13:08Z | |
| dc.date.issued | 2022 | |
| dc.description.bibliography | il., bibliogr. | |
| dc.description.finance | publication_nocost | |
| dc.description.financecost | 0,00 | |
| dc.description.if | 3,1 | |
| dc.description.number | 30 October 2022 | |
| dc.description.points | 100 | |
| dc.description.volume | 627 | |
| dc.identifier.doi | 10.1016/j.bbrc.2022.08.059 | |
| dc.identifier.eissn | 1090-2104 | |
| dc.identifier.issn | 0006-291X | |
| dc.identifier.uri | https://sciencerep.up.poznan.pl/handle/item/7243 | |
| dc.language | en | |
| dc.relation.ispartof | Biochemical and Biophysical Research Communications | |
| dc.relation.pages | 207-213 | |
| dc.rights | ClosedAccess | |
| dc.sciencecloud | nosend | |
| dc.subject.en | spexin | |
| dc.subject.en | GALR2 | |
| dc.subject.en | GALR3 | |
| dc.subject.en | polycystic ovary syndrome | |
| dc.subject.en | hypothalamus | |
| dc.subject.en | ovary | |
| dc.title | Levels of spexin and its receptors GALR2 and GALR3 in the hypothalamus and ovary of letrozole-induced polycystic ovary syndrome in rats | |
| dc.type | JournalArticle | |
| dspace.entity.type | Publication | |
| oaire.citation.volume | 627 |