What have animal models taught us about the p53 pathway?

Abstract excerpt

Mouse models have provided important insight into the in vivo significance of upstream and downstream signals that regulate the p53 tumour suppressor. One important lesson learned from these models is that negative regulators of p53 are critical in vivo modulators of p53 activity. Additionally, upstream regulators of p53 activity, such as p19(Arf) and Atm, are themselves critical tumour modifiers/suppressors. The...

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