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. 2022 Aug 9;23(9):3822–3830. doi: 10.1021/acs.biomac.2c00671

Figure 4.

Figure 4

Hit compounds do not increase hemoglobin oxygen binding affinity. Measurement of hemoglobin oxygen saturation in RBCs from 4 healthy donors (genotype HbAA). RBCs at 25% hematocrit were incubated with 500 μM voxelotor, chlormezanone, or gabazine or DMSO (control) for 1 h at 37 °C and then diluted to 1% hematocrit with drug. Voxelotor significantly decreased the P50 of the treated RBCs (p = 0.027). Chlormezanone and gabazine resulted in no significant (p > 0.05) change in P50 relative to control.