Antidepressant Effect of Adipokinetic Hormone/red Pigment-Concentrating Hormone Family of Peptides in Olfactory Bulbectomy Model of Rats
European neuropsychopharmacology(2019)
摘要
Several olfactory receptors (ORs) have been characterized outside the olfactory neuroepithelium in neuronal and non-neuronal tissues, where they were implicated in the recognition of diverse chemical signals. ORs have been found to regulate melanogenesis in skin melanocytes, and OR expression has been found in the human brain nigrostriatal dopaminergic neurons, where production of melanin occurs as neuromelanin and can change with age; OR expression is downregulated in Parkinson’s disease. Therefore, we propose several odorants as new functional ligands to ORs expressed in non-olfactory pigmented cells as dopaminergic neurons and melanocytes, where, by acting on cAMP-induced melanin production, they could help to counteract melanogenic and neurodegenerative dysfunctions, including melanoma and Parkinson’s disease.
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