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巨噬细胞-中性粒细胞相互作用:单核因子白细胞介素-1和肿瘤坏死因子(恶病质素)对人中性粒细胞黏附的相反作用。

Macrophage-neutrophil interactions: contrasting effects of the monokines interleukin-1 and tumour necrosis factor (cachectin) on human neutrophil adherence.

作者信息

Seow W K, Thong Y H, Ferrante A

机构信息

Department of Child Health, University of Queensland, Mater Children's Hospital, South Brisbane, Australia.

出版信息

Immunology. 1987 Nov;62(3):357-61.

Abstract

Incubation of human neutrophils with recombinant human interleukin-1 alpha (IL-1 alpha) resulted in the suppression of neutrophil adherence. In contrast, similar treatment with recombinant human tumour necrosis factor-alpha (TNF alpha, cachectin) resulted in the enhancement of neutrophil adherence. These contrasting effects were noted as early as 5 min after incubation, and persisted for at least 60 min. Simultaneous addition of these two monokines resulted in intermediate values between suppression by IL-1 and enhancement by TNF alpha. The stimulatory effects of the chemotactic peptide FMLP and the phorbol ester PMA were ameliorated by IL-1 but augmented by TNF alpha. The effects of these monokines on neutrophil adherence were abolished by heating but not by polymyxin B treatment, showing that their modulatory properties were not mediated by endotoxin.

摘要

将人中性粒细胞与重组人白细胞介素-1α(IL-1α)一起孵育会导致中性粒细胞黏附受到抑制。相反,用重组人肿瘤坏死因子-α(TNFα,恶病质素)进行类似处理则会导致中性粒细胞黏附增强。早在孵育5分钟后就观察到了这些相反的效应,并且持续至少60分钟。同时添加这两种单核因子会产生介于IL-1抑制和TNFα增强之间的中间值。趋化肽FMLP和佛波酯PMA的刺激作用被IL-1减弱,但被TNFα增强。这些单核因子对中性粒细胞黏附的作用通过加热被消除,但多黏菌素B处理不能消除,这表明它们的调节特性不是由内毒素介导的。

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Antigen-presenting function of the macrophage.巨噬细胞的抗原呈递功能。
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