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. 2019 Jul 24;10:931. doi: 10.3389/fphys.2019.00931

Table 5.

Summary of antisickling and antioxidant effects of agents under oxidative stress [2.5 H2O2/Hb (Heme)].

Agents O2 affinity Autoxidation rate Ferryl formation (% Reduction) Delay time (s) Cys93 modification
TD-3 Increased No effect Reduced (22%) 315 ++
5-HMF Increased No effect No effect 158 --
HU Increased No effect Reduced (38%) 170 ++
L-Glutamine No Effect No effect No effect 158 --

Modified = ++; not modified = --.