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Prophylactic action of allopurinol against chemotherapy-induced stomatitis--inhibition of superoxide dismutase and proteases. 1996

K Nakamura, and S Natsugoe, and T Kumanohoso, and T Shinkawa, and H Kariyazono, and K Yamada, and M Baba, and H Yoshinaka, and T Fukumoto, and T Aikou
Department of Pharmacy, Kagoshima University School of Medicine, Japan.

The activities of superoxide dismutase (SOD) and several proteases were measured in kidney of mice treated with allopurinol in order to elucidate the mechanism of prophylactic action of allopurinol against chemotherapy-induced stomatitis. The following results were obtained. Following 3 day administration of allopurinol 20 mg/day per os (Group C), the concentrations of allopurinol and oxipurinol in the renal tissue were 203.9 +/- 52.1 and 1141.7 +/- 194.8 micrograms/g, respectively. The SOD activity was significantly lower in Group C than in the untreated control group (p < 0.01). The enzyme activities of papain and trypsin were suppressed in Group C. However, the other proteases tested were not affected by the administration of allopurinol, indicating only weak anti-protease action of allopurinol. These results suggest that allopurinol may be effective to prevent chemotherapy-associated stomatitis via both direct and indirect actions to oral mucosa, that include inhibitory actions on xanthine oxidase as well as protease.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008297 Male Males
D010117 Oxypurinol A xanthine oxidase inhibitor. Alloxanthine,Oxipurinol
D010206 Papain A proteolytic enzyme obtained from Carica papaya. It is also the name used for a purified mixture of papain and CHYMOPAPAIN that is used as a topical enzymatic debriding agent. EC 3.4.22.2. Tromasin
D010450 Endopeptidases A subclass of PEPTIDE HYDROLASES that catalyze the internal cleavage of PEPTIDES or PROTEINS. Endopeptidase,Peptide Peptidohydrolases
D004791 Enzyme Inhibitors Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction. Enzyme Inhibitor,Inhibitor, Enzyme,Inhibitors, Enzyme
D000493 Allopurinol A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms. Allohexal,Allohexan,Alloprin,Allopurin,Allorin,Allpargin,Allural,Apulonga,Apurin,Atisuril,Bleminol,Caplenal,Capurate,Cellidrin,Embarin,Foligan,Hamarin,Jenapurinol,Lopurin,Lysuron,Milurit,Milurite,Novopurol,Pan Quimica,Progout,Pureduct,Purinol,Remid,Rimapurinol,Roucol,Suspendol,Tipuric,Uribenz,Uridocid,Uripurinol,Urosin,Urtias,Xanthomax,Xanturic,Zygout,Zyloprim,Zyloric
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013280 Stomatitis INFLAMMATION of the soft tissues of the MOUTH, such as MUCOSA; PALATE; GINGIVA; and LIP. Oral Mucositis,Mucositis, Oral,Oromucositis,Mucositides, Oral,Oral Mucositides,Oromucositides,Stomatitides
D013482 Superoxide Dismutase An oxidoreductase that catalyzes the reaction between SUPEROXIDES and hydrogen to yield molecular oxygen and hydrogen peroxide. The enzyme protects the cell against dangerous levels of superoxide. Hemocuprein,Ag-Zn Superoxide Dismutase,Cobalt Superoxide Dismutase,Cu-Superoxide Dismutase,Erythrocuprein,Fe-Superoxide Dismutase,Fe-Zn Superoxide Dismutase,Iron Superoxide Dismutase,Manganese Superoxide Dismutase,Mn-SOD,Mn-Superoxide Dismutase,Ag Zn Superoxide Dismutase,Cu Superoxide Dismutase,Dismutase, Ag-Zn Superoxide,Dismutase, Cobalt Superoxide,Dismutase, Cu-Superoxide,Dismutase, Fe-Superoxide,Dismutase, Fe-Zn Superoxide,Dismutase, Iron Superoxide,Dismutase, Manganese Superoxide,Dismutase, Mn-Superoxide,Dismutase, Superoxide,Fe Superoxide Dismutase,Fe Zn Superoxide Dismutase,Mn SOD,Mn Superoxide Dismutase,Superoxide Dismutase, Ag-Zn,Superoxide Dismutase, Cobalt,Superoxide Dismutase, Fe-Zn,Superoxide Dismutase, Iron,Superoxide Dismutase, Manganese

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