Structural insights into G-quadruplexes: Towards new anticancer drugs

Danzhou Yang, Keika Okamoto

Research output: Contribution to journalReview articlepeer-review

237 Scopus citations

Abstract

DNA G-quadruplexes are DNA secondary structures formed in specific G-rich sequences. DNA sequences that can form G-quadruplexes have been found in regions with biological significance, such as human telomeres and oncogene-promoter regions. DNA G-quadruplexes have recently emerged as a new class of novel molecular targets for anticancer drugs. Recent progress on structural studies of the biologically relevant G-quadruplexes formed in human telomeres and in the promoter regions of human oncogenes will be discussed, as well as recent advances in the design and development of G-quadruplex-interactive drugs. DNA G-quadruplexes can readily form in solution under physiological conditions and are globularly folded nucleic acid structures. The molecular structures of intramolecular G-quadruplexes appear to differ from one another and, therefore, in principle may be differentially regulated and targeted by different proteins and drugs.

Original languageEnglish (US)
Pages (from-to)619-646
Number of pages28
JournalFuture Medicinal Chemistry
Volume2
Issue number4
DOIs
StatePublished - Apr 2010

ASJC Scopus subject areas

  • Molecular Medicine
  • Pharmacology
  • Drug Discovery

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