5 years ago

Inhibition of Human Enhancer of Zeste Homolog 2 with Tambjamine Analogs

Inhibition of Human Enhancer of Zeste Homolog 2 with Tambjamine Analogs
Vanessa Soto-Cerrato, Victor Guallar, Ricardo Pérez-Tomás, Roberto Quesada, Modesto Orozco, Elsa Hernando, Pilar Manuel-Manresa, Martin Kotev
Combining computational modeling, de novo compound synthesis, and in vitro and cellular assays, we have performed an inhibition study against the enhancer of zeste homolog 2 (EZH2) histone-lysine N-methyltransferase. This enzyme is an important catalytic component of the PRC2 complex whose alterations have been associated with different cancers. We introduce here several tambjamine-inspired derivatives with low micromolar in vitro activity that produce a significant decrease in histone 3 trimethylation levels in cancer cells. We demonstrate binding at the methyl transfer active site, showing, in addition, that the EZH2 isolated crystal structure is capable of being used in molecular screening studies. Altogether, this work provides a successful molecular model that will help in the identification of new specific EZH2 inhibitors and identify a novel class of tambjamine-derived EZH2 inhibitors with promising activities for their use in cancer treatment.

Publisher URL: http://dx.doi.org/10.1021/acs.jcim.7b00178

DOI: 10.1021/acs.jcim.7b00178

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