1-(1,3-Benzodioxol-5-yl-carbo-nyl) Piperidine, a Modulator of α-Amino-3-hydroxy-5-methyl-4-isoxazole propionic Acid Receptor, Ameliorates Exercise-Induced Fatigue in Mice

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The current study was designed to investigate the effects of 1-(1,3-benzodioxol-5-yl-carbo-nyl) piperidine (1-BCP) on swimming endurance capacity which as one indicator of fatigue in the weight-loaded forced swimming mice. Mice were given either vehicle or 1-BCP (0.1, or 0.2mmol/kg body weight daily) by intraperitoneal injection once daily for 2 weeks. The 1-BCP groups showed a significant increase in swimming time to exhaustion compared with the control group. 1-BCP increased the liver glycogen (LG) and muscle glycogen (MG) contents significantly, while decreased the lactic acid (LA) and blood urea nitrogen (BUN) levels notably compared with control group. Besides, 1-BCP treatment also significantly improved the endogenous cellular antioxidant enzymes in mice by increasing the activities of superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px). Therefore, this study demonstrated for the first time that the supplementation of 1-BCP, as a positive allosteric modulator of AMPA receptor, could enhance the endurance capacity of mice and facilitated them recovery from fatigue. Thus, we provide a new effective therapeutic strategy for fatigue.