CHEMBL5736588

Biochemical Assay: Test compounds were placed in a Greiner Bio-One (Monroe, N.C.) 1536-well black solid bottom assay plate. 200 millimolar (mM) Tris HCl, pH 7.4, 100 micromolar (μM) EDTA and 0.01% TWEEN-20, final concentration, was used as the assay buffer. The LDHA reagent was 2 nanomolar (nM) Human LDHA (Meridian Life Science, Inc., Memphis, Tenn.), final concentration, in assay buffer. The substrate reagent was 0.06 mM NADH and 0.2 mM sodium pyruvate, final concentration, in assay buffer. The resazurin/diaphorase coupling reagent was 0.037 mM resazurin and 0.133 milligrams per milliliter (mg/mL) diaphorase, final concentration, in assay buffer. The sequence of steps, amount and types of reagents, and time required for each step are set forth in Table 1. The inhibition of LDHA activity was measured by fluorescence emission.