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The c-MYC NHE III(1): function and regulation.
Verónica González1, Laurence H Hurley
1University of Arizona, Tucson, 85721, USA.
Annual Review of Pharmacology and Toxicology
|November 20, 2009
Summary
The c-MYC gene’s G-quadruplex structure in the NHE III(1) region represses its transcription. Factors modulating this structure and G-quadruplex-inducing drugs offer potential cancer treatments.
Area of Science:
- Molecular Biology
- Cancer Biology
- Drug Discovery
Background:
- c-MYC is crucial for cell growth and differentiation; its dysregulation is a hallmark of cancer.
- The nuclease hypersensitive element (NHE) III(1) region of the c-MYC promoter is key for regulating c-MYC expression.
- G-quadruplex formation in this region is implicated in repressing c-MYC transcription.
Purpose of the Study:
- To review the formation of G-quadruplex structures in the c-MYC promoter's NHE III(1) region.
- To discuss factors that influence G-quadruplex formation.
- To explore small molecules that stabilize G-quadruplexes as potential anticancer agents.
Main Methods:
- Literature review focusing on G-quadruplex formation in the c-MYC promoter.
- Analysis of factors modulating G-quadruplex stability.
Main Results:
- G-quadruplex formation in the c-MYC NHE III(1) region is a significant mechanism for transcriptional repression.
- Various cellular factors and small molecules can modulate G-quadruplex formation.
- Stabilizing these structures presents a promising avenue for anticancer drug development.
Conclusions:
- Understanding c-MYC G-quadruplex formation is vital for cancer biology and drug development.
- Targeting c-MYC G-quadruplexes offers a potential therapeutic strategy against various cancers.
- Further research into G-quadruplex modulators could yield novel anticancer agents.