Background:

NKL 22 is a HDAC inhibitor. The value of IC 50 is 78 uM NKL 22 increase frataxin protein concentrationsNKL 22 inhibitors increase FXN mRNA in FRDA lymphocytes.HDAC inhibitors act directly on FXN. [1]

[1]. D Herman et al. Histone deacetylase inhibitors reverse gene silencing in Friedreich’s ataxia. Nat Chem Biol, 2006 Oct, 2(10):551-8.