Title : Tumor necrosis factor-mediated cell lysis in vitro: relationship to cAMP accumulation and guanine nucleotide-binding proteins.

Pub. Date : 1992 Apr

PMID : 1312937






15 Functional Relationships(s)
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Protein Name
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1 Tumor necrosis factor-mediated cell lysis in vitro: relationship to cAMP accumulation and guanine nucleotide-binding proteins. Cyclic AMP tumor necrosis factor Homo sapiens
2 Tumor necrosis factor-mediated cell lysis in vitro: relationship to cAMP accumulation and guanine nucleotide-binding proteins. Guanine Nucleotides tumor necrosis factor Homo sapiens
3 We have investigated the modulation of tumor necrosis factor (TNF)-mediated tumor cell lysis by cAMP. Cyclic AMP tumor necrosis factor Homo sapiens
4 We have investigated the modulation of tumor necrosis factor (TNF)-mediated tumor cell lysis by cAMP. Cyclic AMP tumor necrosis factor Homo sapiens
5 To study the relationship between TNF-mediated cell lysis and cAMP accumulation, cAMP measurement was performed following TNF treatment. Cyclic AMP tumor necrosis factor Homo sapiens
6 Experiments in which cells were exposed to forskolin revealed that this cAMP elevating drug was efficient in enhancing the sensitivity to TNF of MCF7 cell line. Colforsin tumor necrosis factor Homo sapiens
7 Experiments in which cells were exposed to forskolin revealed that this cAMP elevating drug was efficient in enhancing the sensitivity to TNF of MCF7 cell line. Cyclic AMP tumor necrosis factor Homo sapiens
8 This potentiating effect of forskolin was maximal for suboptimal concentrations of TNF (10 ng/ml), reaching up to 100% when forskolin was added at 100 microM. Colforsin tumor necrosis factor Homo sapiens
9 This potentiating effect of forskolin was maximal for suboptimal concentrations of TNF (10 ng/ml), reaching up to 100% when forskolin was added at 100 microM. Colforsin tumor necrosis factor Homo sapiens
10 However, co-stimulating with forskolin of either MDA MB 231 or a TNF-resistant MCF7 clone (MCF7-R-A1) did not induce any reversal of resistance to TNF. Colforsin tumor necrosis factor Homo sapiens
11 In contrast, pertussis toxin-catalyzed ADP ribosylation experiments suggest a functional coupling of TNF receptors to a 40-kDa pertussis toxin-sensitive G-protein in the TNF-sensitive MCF78 cell line but not in the TNF-resistant MDA MB 231 cell line. Adenosine Diphosphate tumor necrosis factor Homo sapiens
12 In contrast, pertussis toxin-catalyzed ADP ribosylation experiments suggest a functional coupling of TNF receptors to a 40-kDa pertussis toxin-sensitive G-protein in the TNF-sensitive MCF78 cell line but not in the TNF-resistant MDA MB 231 cell line. Adenosine Diphosphate tumor necrosis factor Homo sapiens
13 In contrast, pertussis toxin-catalyzed ADP ribosylation experiments suggest a functional coupling of TNF receptors to a 40-kDa pertussis toxin-sensitive G-protein in the TNF-sensitive MCF78 cell line but not in the TNF-resistant MDA MB 231 cell line. Adenosine Diphosphate tumor necrosis factor Homo sapiens
14 Taken together, these data indicate that cAMP might play a role in TNF-mediated cell lysis and are in support of the involvement of a pertussis toxin-sensitive G-protein in TNF-mediated MCF7 cells lysis. Cyclic AMP tumor necrosis factor Homo sapiens
15 Taken together, these data indicate that cAMP might play a role in TNF-mediated cell lysis and are in support of the involvement of a pertussis toxin-sensitive G-protein in TNF-mediated MCF7 cells lysis. Cyclic AMP tumor necrosis factor Homo sapiens