GLUCOCORTICOID INDEPENDENT MEDIATION OF INTERLEUKIN-1 INDUCED CHANGES IN SERUM ZINC AND LIVER METALLOTHIONEIN LEVELS

被引:62
作者
DISILVESTRO, RA
COUSINS, RJ
机构
关键词
D O I
10.1016/0024-3205(84)90510-1
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
Interleukin 1 (IL-1) causes changes in Zn metabolism which was attributed to mediation, at least in part, by glucocorticoids. IL-1 actually lowered serum corticosterone levels in rats. Adrenalectomy only partially inhibited the ability of IL-1 to depress serum Zn levels and increase the amoung of Zn associated with hepatic metallothionein. IL-1 increased total liver metallothionein protein to similar levels in both adrenalectomized and normal rats. Administering the synthetic glucocorticoid dexamethasone with IL-1 to adrenalectomized rats produced additive, but not synergistic effects on serum Zn and metallothionein concentrations. Studies with actinomycin D suggested that IL-1 induction of metallothionein might involve glucagon.
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页码:2113 / 2118
页数:6
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