Identification of natural product fonsecin B as a stabilizing ligand of c-myc G-quadruplex DNA by high-throughput virtual screening.
@article{Lee2010IdentificationON, title={Identification of natural product fonsecin B as a stabilizing ligand of c-myc G-quadruplex DNA by high-throughput virtual screening.}, author={Ho-man Lee and Daniel Shiu-Hin Chan and Fang Yang and Ho-Yu Lam and Siu-cheong Yan and Chi‐Ming Che and Dik‐Lung Ma and Chung‐Hang Leung}, journal={Chemical communications}, year={2010}, volume={46 26}, pages={ 4680-2 } }
Fonsecin B has been identified as stabilizing ligand of c-myc G-quadruplex DNA using high-throughput virtual screening of a natural product database, and inhibited Taq polymerase-mediated DNA extension in vitro through stabilization of the G-quadruplex secondary structure.
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References
SHOWING 1-10 OF 47 REFERENCES
Tetramethylpyridiniumporphyrazines--a new class of G-quadruplex inducing and stabilising ligands.
- ChemistryChemical communications
- 2006
3,4-Tetramethylpyridiniumporphyrazines bind strongly and selectively to human telomeric G-quadruplex DNA, inducing the formation of an antiparallel quadruplex in a process that mimics molecular…
G-quadruplex recognition by bis-indole carboxamides.
- Chemistry, BiologyChemical communications
- 2008
Herein we report the de novo design and synthesis of a geometrically flexible bis-indole carboxamide and a constrained derivative, as a novel class of small molecule scaffold that exhibits high…
The dynamic character of the G-quadruplex element in the c-MYC promoter and modification by TMPyP4.
- ChemistryJournal of the American Chemical Society
- 2004
It is demonstrated that this G-quadruplex structure can form a mixture of four biologically relevant parallel-loop isomers, which upon interaction with the cationic porphyrin TMPyP4 are converted to mixed parallel/antiparallel G- quadruplex structures.
G-quadruplex DNA: A target for drug design
- Biology, ChemistryNature Medicine
- 1998
Compounds that stabilize G-quadruplex structures in telomeric DNA block telomerase activity and may be potentially valuable as antitumor drugs.
Trisubstituted isoalloxazines as a new class of G-quadruplex binding ligands: small molecule regulation of c-kit oncogene expression.
- Chemistry, BiologyJournal of the American Chemical Society
- 2007
The design, synthesis, biophysical evaluation, and primary biological data revealed that 3,8,10-trisubstituted isoalloxazines bind and stabilize G-quadruplex DNA, but not duplex DNA, and exhibit potential for discriminating between DNA quadruplexes.
Verification of specific G-quadruplex structure by using a novel cyanine dye supramolecular assembly: I. recognizing mixed G-quadruplex in human telomeres.
- ChemistryChemical communications
- 2009
A novel cyanine dye supramolecular assembly was designed to recognize mixed G-quadruplex in human telomeres.
The different biological effects of telomestatin and TMPyP4 can be attributed to their selectivity for interaction with intramolecular or intermolecular G-quadruplex structures.
- Chemistry, BiologyCancer research
- 2003
This study has demonstrated that telomestatin interacts preferentially with intramolecular versus intermolecular G-quadruplex structures and also has a 70-fold selectivity for intramolescular G -quadru Plex structures over duplex DNA, and induces anaphase bridges in sea urchin embryos, whereas TMPyP4 did not have this effect.
Controlled-folding of a small molecule modulates DNA G-quadruplex recognition.
- ChemistryChemical communications
- 2009
Differential recognition of diverse G-quadruplex structures can be achieved by controlling the folding of a small molecule.
Structure-based discovery of natural-product-like TNF-α inhibitors.
- Biology, ChemistryAngewandte Chemie
- 2010
Two natural-product-like inhibitors of tumor necrosis factor (TNF-α) have been identified using structure-based virtual screening, and display potency comparable to that of the strongest TNF- α inhibitor reported to date.
Stabilization of G-quadruplex DNA and down-regulation of oncogene c-myc by quindoline derivatives.
- ChemistryJournal of medicinal chemistry
- 2007
Molecular modeling studies revealed the binding mode between the derivatives and the G-quadruplexes is end-stacking at the 3'-position, and the positively charged side chain on the quindoline derivatives may contribute to the selectivity to certain loop isomers of topological quadruplexes as the improved stabilization action.