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. 2014 Jun 25;9(6):e100768. doi: 10.1371/journal.pone.0100768

Figure 5. A possible mechanism of fluoride-induced oxygen radicals production.

Figure 5

New (left): knowledge generated by this paper. Thick black arrows and thick dashed lines indicate what happens when fluoride arrives at mitochondrial membrane. Known (right): known effects of fluoride on oxidative stress and antioxidant enzymes. F: fluoride; ROS: reactive oxygen species; SOD: superoxide dismutase: CAT: catalase; GPx: glutathione peroxidase; TBARS: thiobarbituric acid reactive substances, I: Complex I-NADH dehydrogenase, II: Complex II-Succinate dehydrogenase, III: Complex III-Cytochrome bc1 complex, IV: Complex IV-Cytochrome c oxidase, cyt c: Cytochrome c, Q: Ubiquinone, QH2: Reduced ubiquinone, O2 .: superoxide radical, H2O2: hydroxide peroxide, NO: Nitric oxide, ONOO: peroxynitrite.