MN-64 is a potent and selective inhibitor of Tankyrase 1 and 2 (IC50 = 6 and 72 nM, respectively). MN-64 blocks Wnt signaling in HEK293 cells containing a Wnt pathway reporter system. Tankyrases are ADP-ribosyltransferases that play key roles in various cellular pathways, including the regulation of cell proliferation, and thus, they are promising drug targets for the treatment of cancer.
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