| pubmed-article:3126228 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:3126228 | lifeskim:mentions | umls-concept:C1456820 | lld:lifeskim |
| pubmed-article:3126228 | lifeskim:mentions | umls-concept:C0279023 | lld:lifeskim |
| pubmed-article:3126228 | lifeskim:mentions | umls-concept:C0024426 | lld:lifeskim |
| pubmed-article:3126228 | pubmed:issue | 5 | lld:pubmed |
| pubmed-article:3126228 | pubmed:dateCreated | 1988-4-20 | lld:pubmed |
| pubmed-article:3126228 | pubmed:abstractText | In this study, we examined the possible role of TNF-alpha and lymphotoxin (TNF-beta) as cofactors of macrophage activation. The results demonstrate that both TNF were capable of enhancing the cytostatic and cytolytic activity of murine peritoneal macrophages against Eb lymphoma cells. The potentiation of tumor cytotoxicity became apparent when macrophages from DBA/2 mice were suboptimally activated by either a T cell clone-derived macrophage-activating factor or by IFN-gamma plus LPS. Neither TNF-alpha nor TNF-beta could induce tumor cytotoxicity in IFN-gamma-primed macrophages, indicating that TNF cannot replace LPS as a triggering signal of activation. In LPS-resistant C3H/HeJ macrophages, which were unresponsive to IFN-gamma plus LPS, a supplementation with TNF fully restored activation to tumor cytotoxicity. Furthermore, TNF-alpha potentiated a variety of other functions in low-level activated macrophages such as a lactate production and release of cytotoxic factors. At the same time, TNF-alpha produced a further down-regulation of pinocytosis, tumor cell binding and RNA synthesis observed in activated macrophages. These data demonstrate new activities for both TNF-alpha and TNF-beta as helper factors that facilitate macrophage activation. In particular, the macrophage product TNF-alpha may serve as an autocrine signal to potentiate those macrophage functions that were insufficiently activated by lymphokines. | lld:pubmed |
| pubmed-article:3126228 | pubmed:language | eng | lld:pubmed |
| pubmed-article:3126228 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:3126228 | pubmed:citationSubset | AIM | lld:pubmed |
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| pubmed-article:3126228 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:3126228 | pubmed:month | Mar | lld:pubmed |
| pubmed-article:3126228 | pubmed:issn | 0022-1767 | lld:pubmed |
| pubmed-article:3126228 | pubmed:author | pubmed-author:GemsaDD | lld:pubmed |
| pubmed-article:3126228 | pubmed:author | pubmed-author:WeyersMM | lld:pubmed |
| pubmed-article:3126228 | pubmed:author | pubmed-author:NairII | lld:pubmed |
| pubmed-article:3126228 | pubmed:author | pubmed-author:SprengerHH | lld:pubmed |
| pubmed-article:3126228 | pubmed:author | pubmed-author:HeidenreichSS | lld:pubmed |
| pubmed-article:3126228 | pubmed:author | pubmed-author:HERZM IMI | lld:pubmed |
| pubmed-article:3126228 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:3126228 | pubmed:day | 1 | lld:pubmed |
| pubmed-article:3126228 | pubmed:volume | 140 | lld:pubmed |
| pubmed-article:3126228 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:3126228 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:3126228 | pubmed:pagination | 1511-8 | lld:pubmed |
| pubmed-article:3126228 | pubmed:dateRevised | 2008-11-21 | lld:pubmed |
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| pubmed-article:3126228 | pubmed:year | 1988 | lld:pubmed |
| pubmed-article:3126228 | pubmed:articleTitle | Potentiation of lymphokine-induced macrophage activation by tumor necrosis factor-alpha. | lld:pubmed |
| pubmed-article:3126228 | pubmed:affiliation | Institute of Immunology, University of Marburg, West Germany. | lld:pubmed |
| pubmed-article:3126228 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:3126228 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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