Abstract B24: Targeting promoter regions of oncogenic drivers in pediatric AML cells using G-quadruplex Interacting Drugs (GQIDs) (original) (raw)

Cancer Research, 2016

Abstract

Cancer is primarily a disease characterized by aberrant gene expression that is manifested by the overexpression of key genes that support tumor development and maintenance. In many instances, oncogenic drivers are frequently ‘undruggable’ because of structural challenges, the inability to effectively inhibit high concentrations of overexpressed proteins, and the development of drug resistance mutations. An alternative therapeutic approach is to directly inhibit gene transcription by targeting unique secondary DNA structures, called G-quadruplexes, that are associated with subsets of promoters. Our laboratory investigated the activity of a class of compounds termed G-quadruplex Interacting Drugs (GQIDs) that are able to shut down the expression of specific genes used by tumor cells for growth and survival. We tested the activity of two GQIDs GQC-05 and GSA-1103 on cell growth of a panel of eight pediatric and eight adult AML cell lines. Drug dose response analysis showed IC50 values...

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