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. 1980 Aug;41(2):336–342.

Cytotoxicity on tumour cells of human mononuclear phagocytes: defective tumoricidal capacity of alveolar macrophages.

C Bordignon, R Avallone, G Peri, N Polentarutti, C Mangioni, A Mantovani
PMCID: PMC1537006  PMID: 6160006

Abstract

Human cells of the monocyte-macrophage lineage were isolated by adherence from peripheral blood, peritoneal exudate, non-neoplastic ascites, benign ovarian cystic fluid and bronchoalveolar lavages. Cytolytic activity was measured as 3H-thymidine release from prelabelled mKSA TU5 tumour cells over 48-72 hr and cytostasis was evaluated in a 72-hr spectrophotometric assay. Mononuclear phagocytes from the various anatomical sites examined, except lung alveolar spaces, were significantly cytolytic and cytostatic on target cells. Unlike other cells of the monocyte-macrophage lineage, alveolar macrophages were not cytocidal, but significantly inhibited tumour cell proliferative capacity. Peripheral blood monocytes and peritoneal macrophages showed enhanced cytotoxicity in the presence of partially purified human fibroblast interferon or of lymphokine supernatants from mitogen-stimulated lymphocytes. In contrast, interferon did not affect the cytotoxic potential of alveolar macrophages, whereas lymphokines augmented their cytostatic activity and rendered them weakly cytolytic.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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