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- Title
Edoxaban Exerts Antioxidant Effects Through FXa Inhibition and Direct Radical-Scavenging Activity.
- Authors
Narita, Yuki; Hamamura, Kana; Kashiyama, Mami; Utsumi, Sara; Kakizoe, Yutaka; Kondo, Yuki; Ishitsuka, Yoichi; Jono, Hirofumi; Irie, Tetsumi; Mukoyama, Masashi; Saito, Hideyuki; Kadowaki, Daisuke; Hirata, Sumio; Kitamura, Kenichiro
- Abstract
The interplay between oxidative stress, inflammation, and tissue fibrosis leads to the progression of chronic kidney disease (CKD). Edoxaban, an activated blood coagulation factor Xa (FXa) inhibitor, ameliorates kidney disease by suppressing inflammation and tissue fibrosis in animal models. Interestingly, rivaroxaban, another FXa inhibitor, suppresses oxidative stress induced by FXa. Thus, FXa inhibitors could be multitargeted drugs for the three aforementioned risk factors for the progression of CKD. However, the exact mechanism responsible for eliciting the antioxidant effect of FXa inhibitors remains unclear. In this study, the antioxidant effect of edoxaban was evaluated. First, the intracellular antioxidant properties of edoxaban were evaluated using human proximal tubular cells (HK-2 cells). Next, direct radical scavenging activity was measured using the electron spin resonance and fluorescence analysis methods. Results show that edoxaban exhibited antioxidant effects on oxidative stress induced by FXa, indoxyl sulfate, and angiotensin II in HK-2 cells, as well as the FXa inhibitory activity, was involved in part of the antioxidant mechanism. Moreover, edoxaban exerted its antioxidative effect through its structure-specific direct radical scavenging activity. Edoxaban exerts antioxidant effects by inhibiting FXa and through direct radical-scavenging activity, and thus, may serve as multitargeted drugs for the three primary risk factors associated with progression of CKD.
- Publication
International Journal of Molecular Sciences, 2019, Vol 20, Issue 17, p4140
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms20174140