INFLAMMATION AMPLIFIES THE ANTITUMOR CYTOSTASIS BY HUMAN PERITONEAL-MACROPHAGES

被引：8

作者：

BENEFRAIM, S ^{[1
]}

TAK, C ^{[1
]}

FIEREN, MJWA ^{[1
]}

VANDENBEMD, GJCM ^{[1
]}

BONTA, IL ^{[1
]}

机构：

[1] ERASMUS UNIV,DEPT PHARMACOL,POB 1738,3000 DR ROTTERDAM,NETHERLANDS

来源：

MEDICAL ONCOLOGY AND TUMOR PHARMACOTHERAPY | 1991年 / 8卷 / 02期

关键词：

INFLAMMATION; ANTITUMOR ACTIVITY; MACROPHAGES;

D O I：

10.1007/BF02988859

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

The effect of an inflammatory environment on the antitumor cytostatic ability of human macrophages was examined. Peritoneal macrophages of patients on continuous ambulatory peritoneal dialysis (CAPD) were collected, when CAPD was without complication, during an intercurrent infectious inflammation and after recovery. Inhibition of H-3-thymidine uptake served as a measure of cytostasis by macrophages co-cultured with target murine cells MOPC-315 plasmacytoma, WEHI-3B myelomonocytic leukemia and L929 transformed fibroblasts. Macrophages from inflammatory peritoneum expressed a markedly enhanced cytostasis, irrespective of the nature of the tumor cell. Endotoxin (LPS) challenge of inflammatory macrophages failed to further reinforce the cytostasis towards MOPC-315 plasmacytoma, but reinforced the cytostasis towards WEHI-3B leukemia (sensitive to inhibition by IL-1) and towards L929 (sensitive to TNF-alpha). Cytostasis by supernatants of human peritoneal macrophages against L929 was markedly inhibited by anti-rHuTNF-alpha and against WEHI-3B by anti-rHuIL-1-beta. The results suggest a link between inflammatory function and antitumor cytostasis by macrophages. This link is constituted by mediators involved in the activation process of macrophages.

引用

页码：87 / 94

页数：8

共 17 条

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