Involvement of mannose receptor in the preventive effects of mannose in lipopolysaccharide-induced acute lung injury

European Journal of Pharmacology
Xuanli XuJianying Zhou

Abstract

Although macrophage mannose receptor contributes to the anti-inflammatory procedure, its mechanisms of action are incompletely understood in acute lung injury. We recently found that mannose which could bind to mannose receptor, prevented acute lung injury in rats. Here, we profiled the involvement of mannose receptor in the preventive effects of mannose in lipopolysaccharide-induced acute lung injury in mice. We found that pulmonary edema, protein exudation, and lung histopathology were significantly improved in a dose-dependent manner among the mannose (50, 150, and 450 mg/kg) mice (a bolus tail vein injection of mannose 5 min before and 3h after intratracheal instillation of LPS) compared to the LPS mice. Mannose also prevented the inflammatory cell accumulation, and inhibited production of cytokines. Further, in the in vitro alveolar macrophages, treatment with mannose resulted in decreased phagocytic activity and production of cytokines, and its anti-inflammatory effects were associated with up-regulation of mannose receptor. Importantly, we found that competitive inhibition of mannose receptor (mannan 2mg/ml) or targeted short interfering RNA-mediated gene suppression of mannose receptor mRNA was associated with the elimi...Continue Reading

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Citations

Dec 31, 2014·Journal of Liposome Research·Ciara KellySally-Ann Cryan
Mar 22, 2014·Translational Research : the Journal of Laboratory and Clinical Medicine·Chih-Feng ChianShiou-Ling Liu
Apr 14, 2016·Fish & Shellfish Immunology·Xiangli DongChangwen Wu
Jul 7, 2017·Journal of Biomedical Science·Yusuke TakahashiMasafumi Kawamura

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