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Created page with "== Introduction == An oncogene is a gene that has the potential to cause cancer. In tumor cells, these genes are often mutated or expressed at high levels. Most normal cells will undergo a programmed form of rapid cell death (apoptosis) when critical functions are altered and malfunctioning. Activated oncogenes can cause those cells designated for apoptosis to survive and proliferate instead. == Discovery == The concept of oncogenes was first proposed in t..."
