Overexpression of DNA polymerase β: a genomic instability enhancer process

Abstract excerpt

DNA polymerase beta (Pol beta) is the most inaccurate of the six DNA polymerases found in mammalian cells. In a normal situation, it is expressed at a constant low level and its role is believed to be restricted to repair synthesis in the base excision repair pathway participating to the genome stability. However, excess of Pol beta, found in some human tumors, could confer an increase in spontaneous mutagenesis...

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