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Trends Genet. 2002 Feb;18(2):90-5.

On the shoulders of giants: p63, p73 and the rise of p53.

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  • 1Dept of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, MA 02115, USA.

Abstract

The discoveries of the p53 homologs, p63 and p73, have both fueled new insights and exposed enigmas in our understanding of the iconic p53 tumor suppressor. Although the pivotal role of p53 in cancer pathways remains unchallenged, because p63 and p73 are now implicated in stem cell identity, neurogenesis, natural immunity and homeostatic control. Despite their seemingly separate tasks, there are hints that the p53 family members both collaborate and interfere with one another. The question remains, therefore, as to whether these genes evolved to function independently or whether their familial ties still bind them in pathways of cell proliferation, death and tumorigenesis.

PMID:
11818141
[PubMed - indexed for MEDLINE]
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