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单核细胞衍生的白细胞介素1α和白细胞介素1β在培养的小鼠胸腺细胞和培养的人结缔组织细胞上的特定生物活性彼此相似。

Specific bioactivities of monocyte-derived interleukin 1 alpha and interleukin 1 beta are similar to each other on cultured murine thymocytes and on cultured human connective tissue cells.

作者信息

Rupp E A, Cameron P M, Ranawat C S, Schmidt J A, Bayne E K

出版信息

J Clin Invest. 1986 Sep;78(3):836-9. doi: 10.1172/JCI112649.

Abstract

In this report we compare the bioactivities of pure, human monocyte-derived interleukin 1 (IL-1) alpha and beta in the standard murine thymocyte proliferation assay, a human dermal fibroblast proliferation assay, and in an assay measuring stimulation of prostaglandin E2 (PGE2) release from human rheumatoid synoviocytes. In each case the different species of IL-1 produced saturable stimulation and gave similar dose response curves. Half-maximal stimulation was observed at average IL-1 concentrations of 29 pM in the thymocyte assay, 2 pM in the dermal fibroblast proliferation assay, and 5 pM in the synovial cell assay. Our results show that native, monocyte-derived IL-1 alpha and IL-1 beta are both potent stimulators of connective tissue cells and that the specific bioactivities of these molecules are similar to each other in tests on human connective tissue cells, as well as on murine lymphoid cells.

摘要

在本报告中,我们在标准的小鼠胸腺细胞增殖试验、人皮肤成纤维细胞增殖试验以及测量人类风湿滑膜细胞释放前列腺素E2(PGE2)的试验中,比较了纯的、人单核细胞衍生的白细胞介素1(IL-1)α和β的生物活性。在每种情况下,不同种类的IL-1均产生饱和刺激,并给出相似的剂量反应曲线。在胸腺细胞试验中,平均IL-1浓度为29 pM时观察到半数最大刺激;在皮肤成纤维细胞增殖试验中为2 pM;在滑膜细胞试验中为5 pM。我们的结果表明,天然的、单核细胞衍生的IL-1α和IL-1β都是结缔组织细胞的有效刺激剂,并且在对人结缔组织细胞以及小鼠淋巴细胞的测试中,这些分子的特定生物活性彼此相似。

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