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Designing Transcription Factor Architectures for Drug Discovery

Pilar Blancafort, David J. Segal and Carlos F. Barbas III
Molecular Pharmacology December 2004, 66 (6) 1361-1371; DOI: https://doi.org/10.1124/mol.104.002758
Pilar Blancafort
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David J. Segal
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Carlos F. Barbas III
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Abstract

Recent advances in the design, selection, and engineering of DNA binding proteins have led to the emerging field of designer transcription factors (TFs). Modular DNA-binding protein domains can be assembled to recognize a given sequence of a DNA in a regulatory region of a targeted gene. TFs can be readily prepared by linking the DNA-binding protein to a variety of effector domains that mediate transcriptional activation or repression. Furthermore, the interaction between the TF and the genomic DNA can be regulated by several approaches, including chemical regulation by a variety of small molecules. Genome-wide single target specificity has been demonstrated using arrays of sequence-specific zinc finger (ZF) domains, polydactyl proteins. Any laboratory today can easily construct polydactyl ZF proteins by linkage of predefined ZF units that recognize specific triplets of DNA. The potential of this technology to alter the transcription of specific genes, to discover new genes, and to induce phenotypes in cells and organisms is now being applied in the areas of molecular therapeutics, pharmacology, biotechnology, and functional genomics.

  • Received May 14, 2004.
  • Accepted August 25, 2004.
  • The American Society for Pharmacology and Experimental Therapeutics
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Molecular Pharmacology: 66 (6)
Molecular Pharmacology
Vol. 66, Issue 6
1 Dec 2004
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OtherMinireview

Designing Transcription Factor Architectures for Drug Discovery

Pilar Blancafort, David J. Segal and Carlos F. Barbas
Molecular Pharmacology December 1, 2004, 66 (6) 1361-1371; DOI: https://doi.org/10.1124/mol.104.002758

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Designing Transcription Factor Architectures for Drug Discovery

Pilar Blancafort, David J. Segal and Carlos F. Barbas
Molecular Pharmacology December 1, 2004, 66 (6) 1361-1371; DOI: https://doi.org/10.1124/mol.104.002758
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  • Article
    • Abstract
    • Artificial TF Design
    • Using Protein Scaffolds: Zinc Finger Domains
    • Isolation of Sequence-Specific ZFs
    • Building Polydactyl ZF Proteins
    • Regulating TF Expression
    • From Genes to Phenotypes: toward Regulating Endogenous Gene Expression Using ZF-Based TFs
    • Artificial Transcription Factors Regulating Specific Drug-Target and Disease Genes
    • Artificial TFs As Antiviral Tools
    • Targeting Genes with DNA-Modifying Enzymatic Domains
    • Regulating Gene Expression in Plants
    • TF-Based, Genome-Wide Strategies to Regulate Gene Expression: TF Libraries for the Modification of Phenotypes and Gene Discovery
    • TFs versus RNA-Based Methods to Regulate Gene Expression
    • Summary and Outlook
    • Footnotes
    • References
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