Recombinant human tumor necrosis factor-alpha: effects on proliferation of normal and transformed cells in vitro
摘要:
Modulation of the growth of human and murine cell lines in vitro by recombinant human tumor necrosis factor-alpha (rTNF-alpha) and recombinant human interferon-gamma (rIFN-gamma) was investigated. rTNF-alpha had cytostatic or cytolytic effects on only some tumor cell lines. When administered together with rIFN-gamma, rTNF-alpha showed enhanced antiproliferative effects on a subset of the cell lines tested. In contrast to its effects on sensitive tumor cells, rTNF-alpha augmented the growth of normal diploid fibroblasts. Variations in the proliferative response induced by rTNF-alpha were apparently not due to differences in either the number of binding sites per cell or their affinity for rTNF-alpha. These observations indicate that the effects of rTNF-alpha on cell growth are not limited to tumor cells, but rather that this protein may have a broad spectrum of activities in vivo.
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关键词:
Animals Humans Mice Cell Line Cell Transformation, Neoplastic Glycoproteins Recombinant Proteins Drug Synergism Cell Division Cell Survival
DOI:
10.1126/science.3933111
被引量:
年份:
1985















































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