In vivo and in vitro effects of bromelain on PGE2 and SP concentrations in the inflammatory exudate in rats

被引:43
作者
Gaspani, L [1 ]
Limiroli, E [1 ]
Ferrario, P [1 ]
Bianchi, M [1 ]
机构
[1] Univ Milan, Dept Pharmacol, I-20129 Milan, Italy
关键词
bromelain; carrageenin; prostaglandin E-2; rat; substance P;
D O I
10.1159/000056191
中图分类号
R9 [药学];
学科分类号
1007 [药学];
摘要
The effects of bromelain were examined in rats with subcutaneous carrageenin-induced inflammation. After oral in vivo administration, bromelain (10 and 20 mg/kg p.o.) induced a significant decrease of both PGE(2) and substance P concentrations in the exudate. When added to the inflammatory exudate in vitro, the drug (25, 50, 100 mug/ml) did not affect PGE(2) concentrations and induced an increase in the substance P levels. Our data indicate that bromelain reduces the production of two key mediators of inflammation. This effect does not seem to be related to a direct action of the drug on PGE(2) and SP released in the exudate in response to the inflammatory stimulus. Copyright (C) 2002 S, Karger AG, Basel.
引用
收藏
页码:83 / 86
页数:4
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