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Nature. 1992 Oct 8;359(6395):554-6.

Cooperative interaction between c-myc and bcl-2 proto-oncogenes.

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Biochemistry of the Cell Nucleus Laboratory, Imperial Cancer Research Fund, London, UK.


The bcl-2 proto-oncogene is activated by translocation in a variety of B-lymphoid tumours and synergizes with the c-myc oncogene in tumour progression. The mechanism of synergy is unclear but bcl-2 expression inhibits apoptosis, a property presumably pertinent to its proto-oncogenic mode of action. We have shown that the c-myc gene is a potent inducer of apoptosis, in addition to its established role in mitogenesis. Here we show that expression of the bcl-2 protein, Bcl-2, specifically abrogates c-myc-induced apoptosis without affecting the c-myc mitogenic function. This provides a novel mechanism for oncogene cooperation, of potential importance both in carcinogenesis and in the evolution of drug resistance in tumours.

[Indexed for MEDLINE]

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