Genotoxic stress is an important and ubiquitous type of stress that cells are inevitably exposed to over the life span of an organism. Many potentially damaging agents both from the environment and from endogenous processes involving activated oxygen species and other reactive agents can damage the DNA in cells (Ref.1). GADD45 induction by BRCA1 leads to programmed cell death through the JNK pathway via interaction with the upstream kinase MTK1/MEKK4. JNK has been shown to be involved in the induction of apoptosis after genot...
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