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LUF7346 is an allosteric modulator of hERG. LUF7346 rescued genetic and drug-induced long-QT syndrome phenotypes in cardiomyocytes from isogenic pairs of patient induced pluripotent stem cells.

LUF7346 is a potent Kv11.1 (hERG) channel negative allosteric modulator, with an IC50 of 35.6 ± 3.2 nM[1].

[1] van Veldhoven JPD, et al. Targeting the Kv11.1 (hERG) channel with allosteric modulators. Synthesis and biological evaluation of three novel series of LUF7346 derivatives. Eur J Med Chem. 2021 Feb 15;212:113033. DOI:10.1016/j.ejmech.2020.113033