Dual blockade of cyclic AMP response element- (CRE) and AP-1-directed transcription by CRE-transcription factor decoy oligonucleotide

Gene- specific inhibition of tumor growth

Yun Gyu Park, Maria Nesterova, Sudhir Agrawal, Yoon S. Cho-Chung

Research output: Contribution to journalArticle

118 Citations (Scopus)

Abstract

Alteration of gene transcription by inhibition of specific transcriptional regulatory proteins has important therapeutic potential. Synthetic double-stranded phosphorothioate oligonucleotides with high affinity for a target transcription factor can be introduced into cells as decoy cis-elements to bind the factors and alter gene expression. The CRE (cyclic AMP response element)transcription factor complex is a pleiotropic activator that participates in the induction of a wide variety of cellular and viral genes. Because the CRE cis-element, TGACGTCA, is palindromic, a synthetic single-stranded oligonucleotide composed of the CRE sequence self- hybridizes to form a duplex/hairpin. Herein we report that the CRE- palindromic oligonucleotide can penetrate into cells, compete with CRE enhancers for binding transcription factors, and specifically interfere with CRE- and AP-1-directed transcription in vivo. These oligonucleotides restrained tumor cell proliferation, without affecting the growth of noncancerous cells. This decoy oligonucleotide approach offers great promise as a tool for defining cellular regulatory processes and treating cancer and other diseases.

Original languageEnglish
Pages (from-to)1573-1580
Number of pages8
JournalJournal of Biological Chemistry
Volume274
Issue number3
DOIs
Publication statusPublished - 1999 Jan 15
Externally publishedYes

Fingerprint

Transcription Factor AP-1
Response Elements
Transcription
Oligonucleotides
Cyclic AMP
Tumors
Transcription Factors
Genes
Growth
Neoplasms
Phosphorothioate Oligonucleotides
Viral Genes
Cell proliferation
Gene expression
Cells
Cell Proliferation
Gene Expression
Proteins

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Dual blockade of cyclic AMP response element- (CRE) and AP-1-directed transcription by CRE-transcription factor decoy oligonucleotide : Gene- specific inhibition of tumor growth. / Park, Yun Gyu; Nesterova, Maria; Agrawal, Sudhir; Cho-Chung, Yoon S.

In: Journal of Biological Chemistry, Vol. 274, No. 3, 15.01.1999, p. 1573-1580.

Research output: Contribution to journalArticle

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