Metabolism of leukotriene B4 by polymorphonuclear granulocytes of severely burned patients

J. Brom , W. König , M. Köller , W. Gross-Weege , G. Erbs , F. Müller
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引用次数: 20

Abstract

Leukotriene B4 release from polymorphonuclear granulocytes of severely burned patients was reduced as compared to healthy donor cells. This decrease is due to an enhanced conversion of LTB4 into the 20-hydroxy- and 20-carboxy-metabolites and further to a decreased LTB4-synthesis. In addition, studies on the exogenous LTB4-conversion revealed an unidentified compound which was derived from LTB4. Our data suggest a modulation of the enzymatic activities involved in ω-oxidation of LTB4 (isoenzymes of cytochrome P-450).

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严重烧伤患者多形核粒细胞对白三烯B4的代谢
与健康供体细胞相比,严重烧伤患者多形核粒细胞释放白三烯B4减少。这种减少是由于LTB4转化为20-羟基和20-羧基代谢物的增强以及LTB4合成的减少。此外,对外源LTB4转化的研究发现了一种来自LTB4的未知化合物。我们的数据表明,LTB4(细胞色素P-450同工酶)ω-氧化过程中酶活性的调节。
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