EFFECT OF ENCAPSULATION ON THE ANTIINFLAMMATORY PROPERTIES OF SUPEROXIDE-DISMUTASE AFTER ORAL-ADMINISTRATION

被引:21
作者
REGNAULT, C
ROCHARVEILLER, M
TISSOT, M
SARFATI, G
GIROUD, JP
POSTAIRE, E
HAZEBROUCQ, G
机构
[1] HOP COCHIN, SERV PHARMACOL, CNRS, URA 1534, F-75674 PARIS, FRANCE
[2] HOP COCHIN, SERV BIOCHIM A, F-75674 PARIS, FRANCE
[3] HOP PARIS, PHARM CENT, SERV SCI, PARIS, FRANCE
关键词
SUPEROXIDE DISMUTASE; LIPOSOMES; CERAMIDES; ANTIINFLAMMATORY PROPERTIES; BIOAVAILABILITY;
D O I
10.1016/0009-8981(95)06133-X
中图分类号
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号
1001 ;
摘要
Anti-inflammatory properties of free superoxide dismutase and superoxide dismutase encapsulated into liposomes, with or without ceramides, have been investigated. Two models were investigated: carrageenan paw oedema and pleurisy. Animals were fed by repeated doses, twice daily from day 1 until day 4. Evaluation consisted of measurement of paw oedema volume with determination of prostaglandin E-2, thromboxane B-2 and 6-keto-prostaglandin F-1 alpha levels. Polymorphonuclear oxidative metabolism was evaluated by measurement of superoxide anion production, Levels of superoxide dismutase were determined in cells and pleural exudates. Higher anti-inflammatory effects were obtained after eight administrations of encapsulated forms (0.5 mg/kg) whereas free superoxide dismutase have shown no effects. Ceramides enhanced the results obtained.
引用
收藏
页码:117 / 127
页数:11
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