The food-derived carcinogen 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine activates S-phase checkpoint and apoptosis, and induces gene mutation in human lymphoblastoid TK6 cells.

Abstract excerpt

The mutagenic heterocyclic amine, 2-amino-1-methyl-6-phenylimidazo[4,5-blpyridine (PhIP) is formed at parts per billion levels when meat is cooked. It is efficiently absorbed from cooked food and extensively activated to its genotoxic N-hydroxy derivative by human cytochrome P4501A enzymes. It is also a rodent carcinogen. To better understand the genetic toxicity of PhIP, we have examined its effect on the cell...

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