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In the present paper, the biological effects of three different naphthalene diimides (NDIs) G‐quadruplex (G4) ligands (H‐NDI‐Tyr, H‐NDI‐NMe2, and tetra‐NDI‐NMe2) were comparatively evaluated to those exerted by RHPS4, a well‐characterized telomeric G4‐ligand, in an in vitro model of glioblastoma. Data indicated that NDIs were very effective in blocking cell proliferation at nanomolar concentrations,...
The pentacyclic acridine RHPS4 is a highly potent and specific G‐quadruplex (G4) ligand, which binds and stabilizes telomeric G4 leading to the block of the replication forks at telomeres and consequently to telomere dysfunctionalization. In turn, the cell recognizes unprotected telomeres as DNA double‐strand breaks with consequent activation of DNA repair response at telomeres, cellular growth impairment,...
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