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. 2021 Mar 12;11:630812. doi: 10.3389/fcimb.2021.630812

Table 2.

Eryptosis hallmarks of naïve and P. falciparum-infected erythrocytes exposed to seven eryptosis inducers and growth inhibition (IC50) on P. falciparum.

Compound Eryptosis hallmarks P. falciparum IC50 (μM)
Naïve erythrocytes P. falciparum – infected erythrocytes
Ionomycin ↑ PS exposure
↓ Cell Size (1 μM)
↑ PS exposure
↓ Cell Size (1 μM)
3.32
Benzethonium Ns Ns * 0.49
Oridonin Ns Ns 2.00
Amiodarone Calcium (5 μM) Ns 2.10
BAY 43-9006 Ns Ns 7.48
Cordycepin Ns Ns 12.07
Apigenin Ns Ns 65.78

Eryptosis hallmarks include PS exposure, cell size, intracellular calcium levels and hemolysis data (see Figure 4 and Supplementary Figures 1 5 for detailed data on each compound). Ionomycin was used as a positive control. Significant changes (↑ = increase or ↓ = decrease) are indicated with the concentration at which the effect is observed. *: infected erythrocytes incubated with 5 μM benzethonium present an increase in hemolysis levels, which has not been observed at 10 μM.