Role of phosphoinositide 3-kinase in the aggressive tumor growth of HT1080 human fibrosarcoma cells.


We have developed a model system of human fibrosarcoma cell lines that do or do not possess and express an oncogenic mutant allele of N-ras. HT1080 cells contain an endogenous mutant allele of N-ras, whereas the derivative MCH603 cell line contains only wild-type N-ras. In an earlier study (S. Gupta et al., Mol. Cell. Biol. 20:9294-9306, 2000), we had shown… (More)


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