The Amplifier Effect: How Pin1 Empowers Mutant p53

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The Amplifier Effect: How Pin1 Empowers Mutant p53

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Title: The Amplifier Effect: How Pin1 Empowers Mutant p53
Author: Hu, Hai; Wulf, Gerburg

Note: Order does not necessarily reflect citation order of authors.

Citation: Hu, Hai, and Gerburg M. Wulf. 2011. The amplifier effect: how pin1 empowers mutant p53. Breast Cancer Research: BCR 13(5): 315.
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Abstract: Mutation of p53 occurs in 15 to 20% of all breast cancers, and with higher frequency in estrogen-receptor negative and high-grade tumors. Certain p53 mutations contribute to malignant transformation not only through loss of wild-type p53 but also through a gain of function of specific p53 mutations. How these hotspot mutations turn p53 from a tumor suppressor into an oncogene had until now remained incompletely understood. In an elegant paper published in the July 12 issue of Cancer Cell, Girardini and colleagues show how Pin1-mediated prolylisomerization, a regulatory mechanism intended by evolution to support p53's function as a guardian of the genome, can go haywire and accelerate malignant transformation when p53 carries a dominant-negative mutation.
Published Version: doi:10.1186/bcr2941
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