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氢化可的松对大鼠腹膜白细胞中前列腺素生物合成的抑制作用与细胞内巨皮质素水平相关。

The inhibition by hydrocortisone of prostaglandin biosynthesis in rat peritoneal leucocytes is correlated with intracellular macrocortin levels.

作者信息

Carnuccio R, Di Rosa M, Flower R J, Pinto A

出版信息

Br J Pharmacol. 1981 Oct;74(2):322-4. doi: 10.1111/j.1476-5381.1981.tb09974.x.

Abstract

Hydrocortisone inhibits prostaglandin generation by rat peritoneal leucocytes by releasing the polypeptide phospholipase inhibitor, macrocortin. The susceptibility of these cells to hydrocortisone is directly correlated with their intracellular macrocortin content. Cells depleted of the peptide by prior incubation with steroid cannot respond to the steroid, until a fresh intracellular store has been synthesized. In vitro, this process requires 4-5 h. Cells remain sensitive to the inhibitory action of the peptide at all times.

摘要

氢化可的松通过释放多肽磷脂酶抑制剂巨皮质素,抑制大鼠腹膜白细胞生成前列腺素。这些细胞对氢化可的松的敏感性与其细胞内巨皮质素含量直接相关。预先用类固醇孵育而耗尽该肽的细胞,在新的细胞内储存合成之前,无法对类固醇作出反应。在体外,这个过程需要4 - 5小时。细胞在任何时候都对该肽的抑制作用保持敏感。

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