Selective Non-nucleoside Inhibitors of Human DNA Methyltransferases Active in Cancer Including in Cancer Stem Cells | Zendy

Sérgio Valente | Zendy; Yiwei Liu | Zendy; Michaël Schnekenburger | Zendy; Clemens Zwergel | Zendy; Sandro Cosconati | Zendy; Christina Gros | Zendy; Maria Tardugno | Zendy; Donatella Labella | Zendy; Cristina Florean | Zendy; Steven Minden | Zendy; Hideharu Hashimoto | Zendy; Yanqi Chang | Zendy; Xing Zhang | Zendy; Gilbert Kirsch | Zendy; Ettore Novellino | Zendy; Paola B. Arimondo | Zendy; Evelina Miele | Zendy; Elisabetta Ferretti | Zendy; Alberto Gulino | Zendy; Marc Diederich | Zendy; Xiaodong Cheng | Zendy; Antonello Mai | Zendy

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Selective Non-nucleoside Inhibitors of Human DNA Methyltransferases Active in Cancer Including in Cancer Stem Cells

Author(s) -

Sérgio Valente,

Yiwei Liu,

Michaël Schnekenburger,

Clemens Zwergel,

Sandro Cosconati,

Christina Gros,

Maria Tardugno,

Donatella Labella,

Cristina Florean,

Steven Minden,

Hideharu Hashimoto,

Yanqi Chang,

Xing Zhang,

Gilbert Kirsch,

Ettore Novellino,

Paola B. Arimondo,

Evelina Miele,

Elisabetta Ferretti,

Alberto Gulino,

Marc Diederich,

Xiaodong Cheng,

Antonello Mai

Publication year - 2014

Publication title -

journal of medicinal chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.01

H-Index - 261

eISSN - 1520-4804

pISSN - 0022-2623

DOI - 10.1021/jm4012627

Subject(s) - methyltransferase , decitabine , azacitidine , chemistry , cancer stem cell , cancer cell , cancer , nucleoside , cancer research , epigenetics , stem cell , dna methylation , biology , biochemistry , methylation , dna , gene , genetics , gene expression

DNA methyltransferases (DNMTs) are important enzymes involved in epigenetic control of gene expression and represent valuable targets in cancer chemotherapy. A number of nucleoside DNMT inhibitors (DNMTi) have been studied in cancer, including in cancer stem cells, and two of them (azacytidine and decitabine) have been approved for treatment of myelodysplastic syndromes. However, only a few non-nucleoside DNMTi have been identified so far, and even fewer have been validated in cancer. Through a process of hit-to-lead optimization, we report here the discovery of compound 5 as a potent non-nucleoside DNMTi that is also selective toward other AdoMet-dependent protein methyltransferases. Compound 5 was potent at single-digit micromolar concentrations against a panel of cancer cells and was less toxic in peripheral blood mononuclear cells than two other compounds tested. In mouse medulloblastoma stem cells, 5 inhibited cell growth, whereas related compound 2 showed high cell differentiation. To the best of our knowledge, 2 and 5 are the first non-nucleoside DNMTi tested in a cancer stem cell line.

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