Tumor suppression and normal aging in mice with constitutively high p53 activity.

Abstract:

:The p53 inhibitor murine double-minute gene 2 (Mdm2) is a target for potential cancer therapies, however increased p53 function can be lethal. To directly address whether reduced Mdm2 function can inhibit tumorigenesis without causing detrimental side effects, we exploited a hypomorphic murine allele of mdm2 to compare the effects of decreased levels of Mdm2 and hence increased p53 activity on tumorigenesis and life span in mice. Here we report that mice with decreased levels of Mdm2 are resistant to tumor formation yet do not age prematurely, supporting the notion that Mdm2 is a promising target for cancer therapeutics.

journal_name

Genes Dev

journal_title

Genes & development

authors

Mendrysa SM,O'Leary KA,McElwee MK,Michalowski J,Eisenman RN,Powell DA,Perry ME

doi

10.1101/gad.1378506

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

16-21

issue

1

eissn

0890-9369

issn

1549-5477

pii

20/1/16

journal_volume

20

pub_type

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