Title : Synergistic effect and possible mechanisms of tumor necrosis factor and cisplatin cytotoxicity under moderate hyperthermia against gastric cancer cells.

Pub. Date : 1997 Mar

PMID : 9084851






4 Functional Relationships(s)
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1 The effect of TNF on cellular rates of cDDP accumulation, efflux, and cDDP-DNA adduct formation were evaluated using atomic absorbance spectrometry with Zeemen background correction. Cisplatin tumor necrosis factor Homo sapiens
2 RESULTS: During a 2-h exposure to various doses of cDDP HT, we observed a supraadditive cytotoxicity of SNU-5 with 1 to 50 micrograms/ml of TNF (p2 = 0.0001). Cisplatin tumor necrosis factor Homo sapiens
3 In the presence of the three-agent combination (HT, TNF, and cDDP) we observed statistically significant increases in total cellular accumulation of cisplatin (p2 = 0.016); a nonsignificant decrease in cellular efflux of drug (p2 = 0.098); and a 40% increase in persistent cisplatin DNA damage as measured by atomic absorption spectrophotometry (p2 = 0.06). Cisplatin tumor necrosis factor Homo sapiens
4 In the presence of the three-agent combination (HT, TNF, and cDDP) we observed statistically significant increases in total cellular accumulation of cisplatin (p2 = 0.016); a nonsignificant decrease in cellular efflux of drug (p2 = 0.098); and a 40% increase in persistent cisplatin DNA damage as measured by atomic absorption spectrophotometry (p2 = 0.06). Cisplatin tumor necrosis factor Homo sapiens