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  • Title: The role of nitisinone in tyrosine pathway disorders.
    Author: Lock E, Ranganath LR, Timmis O.
    Journal: Curr Rheumatol Rep; 2014 Nov; 16(11):457. PubMed ID: 25266991.
    Abstract:
    Nitisinone 2-(2-nitro-4-trifluoromethylbenzoyl)cyclohexane-1,3-dione (NTBC), an effective herbicide, is the licensed treatment for the human condition, hereditary tyrosinaemia type 1 (HT-1). Its mode of action interrupts tyrosine metabolism through inhibition of 4-hydroxyphenylpyruvate dioxygenase (HPPD). Nitisinone is a remarkable safe drug to use with few side effects reported. Therefore, we propose that it should be investigated as a potential treatment for other disorders of tyrosine metabolism. These include alkaptonuria (AKU), a rare disease resulting is severe, early-onset osteoarthritis. We present a case study from the disease, and attempts to use the drug both off-label and in clinical research through the DevelopAKUre consortium.
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