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In the present study, we aimed to investigate the neuromodulatory role played by hypothalamic brain-derived neurotrophic factor (BDNF) in the regulation of acute cardiovascular and feeding responses to melanocortin-4 receptor (MC4R) activation. In vitro, a selective MC4R agonist, MK1, stimulated BDNF release from isolated rat hypothalami and this effect was(More)
Responses of isolated skin melanophores of Rana tigerina and Bufo melanostictus to cholinergic drugs were studied using the Mean Melanophore Size Index assay to explore the nature and role of cellular receptors in melanophore regulation activity. Acetylcholine (Ach) in a concentration of 10(-7) to 6.4 x 10(-6) g/ml caused dispersion of the skin melanophores(More)
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