1. Regulation of uric acid metabolism and excretion
Jessica Maiuolo, Francesca Oppedisano, Santo Gratteri, Carolina Muscoli, Vincenzo Mollace 
International Journal of Cardiology 
Volume 213, Pages 8-14 (June 2016)
DOI: /j.ijcard
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2. Fig. 1 Enzymatic degradation of purines in humans.
International Journal of Cardiology  , 8-14DOI: ( /j.ijcard )
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3. Fig. 2
In the left panel for XDH, xanthine is oxidized to uric acid and electrons transferred via Fe/S centers to the FAD where NAD+ is reduced to NADH. In the right panel for XO, xanthine is oxidized to uric acid and electrons are transferred to the FAD where O2 is reduced to O− and H2O2.
Modified from Ref. [35].
International Journal of Cardiology  , 8-14DOI: ( /j.ijcard )
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