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Molecular docking based screening of triterpenoids as potential G-quadruplex stabilizing ligands with anti-cancer activity.


ABSTRACT: Triterpenoids isolated from Ganoderma lucidum (GLTs) exhibit a broad spectrum of anti-cancer properties, including anti-proliferative, anti-metastatic and anti-angiogenic activities. Current research studies revealed the role by GLTs in inducing apoptosis and suppression of telomerase activity of cancer cells with much lower toxicity to healthy cells. Compounds selectively binding and stabilizing G-quadruplex structures could inhibit the telomerase or downregulate the oncogenes and may act as anti-cancer agents. Targeting human telomeric G-quadruplex DNA could be one of the mechanisms by which these GLTs exert anti-cancer activity. In this study, 208 GLTs were screened for ligands with high binding affinity and selectively to stabilize the pG4DNA by using the docking tool AutoDock4. The results showed that ganoderic acid A and ganoderic acid Df exhibit high binding affinity and selectively bind to the lateral groove of pG4DNA. Based on our findings, we suggest that the triterpenoid represents a new class of G-quadruplex groove binding ligands and thus act as potential anti-cancer agents.

SUBMITTER: Sillapapongwarakorn S 

PROVIDER: S-EPMC5651221 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Molecular docking based screening of triterpenoids as potential G-quadruplex stabilizing ligands with anti-cancer activity.

Sillapapongwarakorn Sittichai S   Yanarojana Somchai S   Pinthong Darawan D   Thithapandha Amnuay A   Ungwitayatorn Jiraporn J   Supavilai Porntip P  

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Triterpenoids isolated from Ganoderma lucidum (GLTs) exhibit a broad spectrum of anti-cancer properties, including anti-proliferative, anti-metastatic and anti-angiogenic activities. Current research studies revealed the role by GLTs in inducing apoptosis and suppression of telomerase activity of cancer cells with much lower toxicity to healthy cells. Compounds selectively binding and stabilizing G-quadruplex structures could inhibit the telomerase or downregulate the oncogenes and may act as an  ...[more]

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