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首页> 外文期刊>Cytokine >Effect of cytokines and colony-stimulating factors on passive polymorphonuclear leukocyte deformability in vitro.
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Effect of cytokines and colony-stimulating factors on passive polymorphonuclear leukocyte deformability in vitro.

机译:细胞因子和集落刺激因子对被动多形核白细胞体外变形性的影响。

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摘要

Cytokines are potent polymorphonuclear leukocyte (PMN) activators and can decrease their deformability. We evaluated passive PMN deformability using the micropipette method after incubation with different concentrations of lipopolysaccharide (LPS), interleukins (IL-) 1, 6, 8 and 10, tumour necrosis factor (TNF), granulocyte (G) and granulocyte-macrophage (GM) colony-stimulating factors (CSF). TNF, IL-1, G-CSF, GM-CSF and, to a lesser degree, IL-6 significantly and in a dose-dependent fashion decrease PMN deformability. LPS had no direct effect on PMN deformability. When cytokines at concentrations with no effect on deformability were combined they increased PMN rigidity. The findings suggest that several cytokines and CSF impair directly, and not by activation alone, PMN deformability. Copyright 2000 Academic Press.
机译:细胞因子是有效的多形核白细胞(PMN)激活剂,可降低其变形能力。我们在与不同浓度的脂多糖(LPS),白介素(IL-)1、6、8和10,肿瘤坏死因子(TNF),粒细胞(G)和粒细胞巨噬细胞(GM)孵育后,使用微量移液器方法评估了被动PMN的可变形性)集落刺激因子(CSF)。 TNF,IL-1,G-CSF,GM-CSF以及较小程度的IL-6(以剂量依赖性)显着降低PMN的可变形性。 LPS对PMN的可变形性没有直接影响。当将浓度不影响可变形性的细胞因子合并使用时,它们会增加PMN的刚性。这些发现表明,几种细胞因子和脑脊液会直接受损,而不是单独激活会导致PMN变形。版权所有2000学术出版社。

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