Modulation of Nr-13 antideath activity by peptide aptamers.

Abstract:

:Tumor cells are characterized by deregulated proliferation and resistance to proapoptotic stimuli. The Bcl-2 family of antiapoptotic proteins is overexpressed in a large number of chemoresistant tumors. Downregulation or inhibition of antiapoptotic proteins might result in the sensitization of cancer cells to chemotherapeutic agents. In the present study, we took advantage of the peptide aptamer strategy to target Nr-13, a Bcl-2 antiapoptotic protein involved in neoplastic transformation by the Rous sarcoma virus. We isolated peptide aptamers that behave as Nr-13 regulators, in vitro and in mammalian cells in culture. Some of these aptamers have potential proapoptotic activities. These data suggest that peptide aptamers targeting the Bcl-2 family of apoptosis inhibitors may be useful for the development of anticancer molecules.

journal_name

Oncogene

journal_title

Oncogene

authors

Nouvion AL,Thibaut J,Lohez OD,Venet S,Colas P,Gillet G,Lalle P

doi

10.1038/sj.onc.1209832

subject

Has Abstract

pub_date

2007-02-01 00:00:00

pages

701-10

issue

5

eissn

0950-9232

issn

1476-5594

pii

1209832

journal_volume

26

pub_type

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