Both p53-PUMA/NOXA-Bax-mitochondrion and p53-p21cip1 pathways are involved in the CDglyTK-mediated tumor cell suppression.

Abstract:

:CDglyTK fusion suicide gene has been well characterized to effectively kill tumor cells. However, the exact mechanism and downstream target genes are not fully understood. In our study, we found that CDglyTK/prodrug treatment works more efficiently in p53 wild-type (HONE1) cells than in p53 mutant (CNE1) cells. We then used adenovirus-mediated gene delivery system to either knockdown or overexpress p53 and its target genes in these cells. Consistent results showed that both p53-PUMA/NOXA/Bcl2-Bax and p53-p21 pathways contribute to the CDglyTK induced tumor cell suppression. Our work for the first time addressed the role of p53 related genes in the CDglyTK/prodrug system.

authors

Yu Z,Wang H,Zhang L,Tang A,Zhai Q,Wen J,Yao L,Li P

doi

10.1016/j.bbrc.2009.06.083

subject

Has Abstract

pub_date

2009-09-04 00:00:00

pages

607-11

issue

4

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(09)01221-2

journal_volume

386

pub_type

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