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. 2020 Apr 21;25(8):1925. doi: 10.3390/molecules25081925

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Ratio of keto to hydroxy(epoxy) mono-oxygenated SM and PLPC as a marker of lipid peroxidation propagation. (A) Calculated ratio for keto/hydroxy(epoxy) SM- and PLPC-derived LPPs in liposomes with different SM content illustrated for 24, 48, 72, and 96 h post oxidation induction. (B) Proposed pathways of free radical driven lipid peroxidation described for mono- and di-unsaturated fatty acids in the presence of transition metals. Mono-oxygenated keto- and hydroxy(epoxy)-derivatives are highlighted (blue and red, respectively).