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. Author manuscript; available in PMC: 2018 Feb 3.
Published in final edited form as: Biochem Biophys Res Commun. 2017 Feb 3;482(3):419–425. doi: 10.1016/j.bbrc.2016.10.086

Figure 3.

Figure 3

Lipid peroxide degradation. (A) Structures of common lipid peroxide degradation products. (B) Two mechanistic hypotheses to explain the formation of 4-HNE via a peroxide intermediate 4-HPNE (C) Malondialdehyde can form Schiff bases with primary amines. In the first condensation, the resulting imine tautomerizes to the enamine before condensing with a second primary amine. (D) 4-hydroxynonenal is a Michael receptor that reacts with nucleophilic side chains such as cysteine.