Direct assessment of the antioxidant property of salivary histatin

Autor: Tomoko Komatsu, Frank G. Oppenheim, Masaichi-Chang-il Lee, Kyo Kobayashi, Eva J. Helmerhorst
Rok vydání: 2019
Předmět:
Zdroj: Journal of Clinical Biochemistry and Nutrition
ISSN: 1880-5086
0912-0009
DOI: 10.3164/jcbn.19-53
Popis: Histatin, a salivary protein, affects oral homeostasis through preservation of tooth integrity and protection against caries and fungal infections. However, the effects of histatin in the generation of oxidative stress induced by reactive oxygen species and in the oral cavity remain unclear. In this study, the effects of histatin on direct reactive oxygen species scavenging activity were examined using electron spin resonance. We demonstrated, for the first time, that histatin exhibits antioxidant activity against hydroxyl radicals generated by Fenton's reaction by metal chelation or binding. The direct antioxidant effects of histatin, along with its antimicrobial activity, may be important in the oral protection of salivary proteins.
Databáze: OpenAIRE