LHVS is a potent, non-selective cysteine protease inhibitor. LHVS effectively blocks T. gondii microneme protein secretion (IC50=10 μM), gliding motility, and cell invasion.
MK-0674 is a potent, orally bioavailable and selective cathepsin K inhibitor, with an IC50 of 0.4 nM, shows 1156, 1465, 11857 and 243 fold selectivity over Cat B, Cat F, Cat L and Cat S.