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. 2021 Sep 16;11:730413. doi: 10.3389/fcimb.2021.730413

Figure 7.

Figure 7

Mechanistic model of anti-parasitic selectivity of a host target. (A, B) Darker red indicates increased metHB formation, infected red cells are indicated by purple ring-stage parasites, erythrocyte membrane channels are plasmodium derived low selectivity permeability pathways, prodrug processing is indicated by cytosolic esterases (black) (A) The enolase inhibitor HEX exhibits low potency but is selectively targeted to host infected red blood cells to generate a therapeutic index. (B) The prodrug cognate POM-HEX increases potency but eliminates any therapeutic window.