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. 2021 Oct 18;19:327. doi: 10.1186/s12951-021-01059-0

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 5 — Underlying molecular mechanisms of quercetin (QC) against iron overload: QC directly exerts protective effects against iron overload via iron chelation and acts against iron overload via several mechanisms including binding QC to the free radicals, regulation of iron homeostasis genes, and regulation of enzymes involved in the Fenton/Haber–Weiss reaction. This Figure was created by BioRender (https://biorender.com/)