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- Title
Evaluation of the Effects of Quercetin on Damaged Salivary Secretion.
- Authors
Takahashi, Ayako; Inoue, Hiroko; Mishima, Kenji; Ide, Fumio; Nakayama, Ryoko; Hasaka, Ayaka; Ryo, Koufuchi; Ito, Yumi; Sakurai, Takashi; Hasegawa, Yoshinori; Saito, Ichiro
- Abstract
With the aim of discovering an effective method to treat dry mouth, we analyzed the effects of quercetin on salivary secretion and its mechanism of action. We created a mouse model with impaired salivary secretion by exposure to radiation and found that impaired secretion is suppressed by quercetin intake. Moreover, secretion levels were enhanced in quercetin-fed normal mice. To elucidate the mechanisms of these effects on salivary secretion, we conducted an analysis using mouse submandibular gland tissues, a human salivary gland epithelial cell line (HSY), and mouse aortic endothelial cells (MAECs). The results showed that quercetin augments aquaporin 5 (AQP5) expression and calcium uptake, and suppresses oxidative stress and inflammatory responses induced by radiation exposure, suggesting that quercetin intake may be an effective method to treat impaired salivary secretion.
- Subjects
QUERCETIN; SECRETION; LABORATORY mice; EPITHELIAL cells; CELL lines; GENE expression
- Publication
PLoS ONE, 2015, Vol 10, Issue 1, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0116008