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Stimulation of phagocytosis in mouse peritoneal macrophages by orexin-B and orexin-A
2004
Biomedical research
To defi ne the effects of feeding and sleep regulating peptides, orexins, in immunocompetent cells, the effects of orexin-A and orexin-B on phagocytosis in mouse peritoneal macrophages were examined. Orexin-B induced an enhancement of phagocytosis in a dose-dependent manner. Orexin-A is less effective than orexin-B. Even in Ca 2+ -free solutions, phagocytosis was enhanced by orexin-B. The potassium channel blocker quinine inhibited the enhanced phagocytosis by orexin-B; 4-aminopyridine and
doi:10.2220/biomedres.25.249
fatcat:xsvgzq4uazcvfiqfstu7rb4ola