EFFECTS OF CYCLOSPORINE-A AND FK506 ON ISCHEMIA REPERFUSION-INDUCED NEUTROPHIL INFILTRATION IN THE CAT

被引:60
作者
KUBES, P
HUNTER, J
GRANGER, DN
机构
[1] Department of Physiology and Biophysics, Louisiana State University Medical Center, Shreveport, 71130, Louisiana
关键词
FK506; CYCLOSPORINE-A; MYELOPEROXIDASE; LEUKOTRIENE-B4; NEUTROPHILS; LYMPHOCYTES;
D O I
10.1007/BF01296817
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Isolated segments of cat small intestine were subjected to 3 hr of ischemia followed by 1 hr reperfusion (I/R). Mucosal biopsies were obtained for measurement of myeloperoxidase (MPO) activity, an index of tissue neutrophil count, and leukotriene B4 (LTB4) production. Animals were pretreated with either cyclosporin A (CsA) or FK506, which are potent immunosuppressants. Both agents significantly attenuated the neutrophil infiltration induced by I/R. FK506, but not CsA, reduced the elevated mucosal LTB4 production normally observed following reperfusion. The results of this study suggest that FK506 and CsA may be important agents in modulating neutrophil infiltration in acute inflammatory conditions.
引用
收藏
页码:1469 / 1472
页数:4
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