Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.7.7.6 (RNA polymerase)
34,946 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In the present study we characterized the responses of the cell line HST-alpha, stably transformed by a secreted form of human fibroblast growth factor-1 (acidic FGF) gene, and its parental NIH 3T3 cell line to recombinant murine (rMu) TNF-alpha. Treatment of HST-alpha cells with rMu TNF-alpha can significantly reduce the number of foci formed in the in vitro transformation assay. In the presence of the RNA polymerase inhibitor actinomycin-D, the transformed HST-alpha cell is more susceptible to the cytotoxicity of rMu TNF-alpha than is its parental NIH 3T3 cell. The median lethal concentrations (LC50) of rMu TNF-alpha to HST-alpha cell and NIH 3T3 cell were 0.35 ng/ml and 4.56 ng/ml respectively. These results demonstrated that the introduction of a single oncogene or a growth factor gene to a cell can change the cell's response to cytokines.
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PMID:Effect of tumor necrosis factor-alpha on a cell line transformed by a secreted form of human fibroblast growth factor-1 gene and on its parental cell line. 753 57