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Uric acid is a heterocyclic compound of carbon, nitrogen, oxygen, and hydrogen with the formula C 5 H 4 N 4 O 3. It forms ions and salts known as urates and acid urates, such as ammonium acid urate. Uric acid is a product of the metabolic breakdown of purine nucleotides, and it is a normal component of urine. [1]
The active site binds uric acid (and its analogues), allowing it to interact with O 2. [8] According to X-ray crystallography , it is the conjugate base of uric acid that binds and is then deprotonated to a dianion.
Uric acid is a waste product naturally made by the body when it breaks down compounds called purines. When there’s too much uric acid in the body, it can form sharp, needle-like crystals in and ...
Uric acid is also an endogenous danger signal released by injured cells. [29] Adenosine triphosphate (ATP) and uric acid, which are purine metabolites, activate NLR family, pyrin domain containing (NLRP) 3 inflammasomes to induce IL-1β and IL-18. [3]
Uric acid has the highest concentration of any blood antioxidant [58] and provides over half of the total antioxidant capacity of human serum. [64] Uric acid's antioxidant activities are also complex, given that it does not react with some oxidants, such as superoxide, but does act against peroxynitrite, [65] peroxides, and hypochlorous acid. [66]
Drop Acid, which will be released on February 15, 2022, is an informative read for anyone looking to learn more about the truth about uric acid and its long-term effects on the human body. Show ...
Methotrexate also indirectly inhibits purine synthesis by blocking the metabolism of folic acid (it is an inhibitor of the dihydrofolate reductase). Allopurinol is a drug that inhibits the enzyme xanthine oxidoreductase and, thus, lowers the level of uric acid in the body. This may be useful in the treatment of gout, which is a disease caused ...
Xanthine oxidase (XO or XAO) is a form of xanthine oxidoreductase, a type of enzyme that generates reactive oxygen species. [2] These enzymes catalyze the oxidation of hypoxanthine to xanthine and can further catalyze the oxidation of xanthine to uric acid.
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