ArticleIranian journal of basic medical sciences2025
Adropin exerts neuroprotection in an experimental rat model of Parkinson's disease.
Article in Iranian journal of basic medical sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: This study was planned to elucidate the mechanism of the protective effect of adropin in an experimental rat model of Parkinson's Disease (PD). Materials and Methods: Three-month-old male Wistar rats were randomly divided into four groups: i) Control, ii) Sham, iii) PD, and iv) PD+Adropin. The performance tests were performed seven days after the 6-Hydroxydopamine hydrochloride (6-OHDA) injection into the striatum. The immunoreactivities for tyrosine hydroxylase (TH), G protein-coupled receptor 19 (GPR19), and vascular endothelial growth factor receptor 2 (VEGFR2) were detected by immunohistochemistry (IHC) in the substantia nigra (SN). Dopamine levels were measured by mass spectrometry. Glycogen synthase kinase 3β (GSK3β) and pGSK3β (Ser9) protein levels were evaluated by western blot analysis. Results: Our study demonstrated that motor performances were significantly improved by adropin treatment. Central adropin injection prevented the loss of nigral dopaminergic neurons and induced VEGFR2 expression but not GPR19 compared to the PD group. The ratio of p-GSK3β/GSK3β did not differ between groups. However, the level of dopamine in SN was increased with adropin injection in the PD+Adropin group. Conclusion: Our findings reveal that adropin administration has a protective effect on nigral dopaminergic neurons and acts through the VEGFR2 signaling pathway.
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