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Comment
. 2020 Jan 7;31(1):13-15.
doi: 10.1016/j.cmet.2019.12.007.

The Antioxidant Role of Non-mitochondrial CoQ10: Mystery Solved!

Massimo M Santoro  1
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Free article
Comment

The Antioxidant Role of Non-mitochondrial CoQ10: Mystery Solved!

Massimo M Santoro. Cell Metab. .
Free article

Abstract

Although confirmed as the primary lipophilic antioxidant molecule endogenously produced by cells, the non-mitochondrial pool of CoQ10's functional role is still well debated. Recently, both Bersuker et al. (2019) and Doll et al. (2019) have identified FSP1 as a novel CoQ10 plasma membrane oxidoreductase, protecting cells from glutathione-independent ferroptosis.

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  • FSP1 is a glutathione-independent ferroptosis suppressor.
    Doll S, Freitas FP, Shah R, Aldrovandi M, da Silva MC, Ingold I, Goya Grocin A, Xavier da Silva TN, Panzilius E, Scheel CH, Mourão A, Buday K, Sato M, Wanninger J, Vignane T, Mohana V, Rehberg M, Flatley A, Schepers A, Kurz A, White D, Sauer M, Sattler M, Tate EW, Schmitz W, Schulze A, O'Donnell V, Proneth B, Popowicz GM, Pratt DA, Angeli JPF, Conrad M. Doll S, et al. Nature. 2019 Nov;575(7784):693-698. doi: 10.1038/s41586-019-1707-0. Epub 2019 Oct 21. Nature. 2019. PMID: 31634899
  • The CoQ oxidoreductase FSP1 acts parallel to GPX4 to inhibit ferroptosis.
    Bersuker K, Hendricks JM, Li Z, Magtanong L, Ford B, Tang PH, Roberts MA, Tong B, Maimone TJ, Zoncu R, Bassik MC, Nomura DK, Dixon SJ, Olzmann JA. Bersuker K, et al. Nature. 2019 Nov;575(7784):688-692. doi: 10.1038/s41586-019-1705-2. Epub 2019 Oct 21. Nature. 2019. PMID: 31634900 Free PMC article.

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