Title: Relationship between aquaporin-5 expression and saliva flow in streptozotocin-induced diabetic mice?
Authors: Soyfoo, Ms ×
Bolaky, N
Depoortere, Inge
Delporte, C #
Issue Date: Jan-2012
Publisher: Stockton Press
Series Title: Oral Diseases vol:18 issue:5 pages:501-505
Article number: 10.1111/j.1601-0825.2012.01902.x
Abstract: Oral Diseases (2011) doi: 10.1111/j.1601-0825.2011.01902.x Objective:  To investigate the expression and distribution of AQP5 in submandibular acinar cells from sham- and streptozotocin (STZ)-treated mice in relation to the salivary flow. Methods:  Mice were sham or STZ injected. Distribution of AQP5 subcellular expression in submandibular glands was determined by immunohistochemistry. AQP5 labelling indices (LI), reflecting AQP5 subcellular distribution, were determined in acinar cells. Western blotting was performed to determine the expression of AQP5 in submandibular glands. Blood glycaemia and osmolality and saliva flow rates were also determined. Results:  AQP5 immunoreactivity was primarily located at the apical and apical-basolateral membranes of submandibular gland acinar cells from sham- and STZ-treated mice. No significant differences in AQP5 protein levels were observed between sham- and STZ-treated mice. Compared to sham-treated mice, STZ-treated mice had significant increased glycaemia, while no significant differences in blood osmolality were observed. Saliva flow rate was significantly decreased in STZ-treated mice as compared to sham-treated mice. Conclusions:  In STZ-treated mice, significant reduction in salivary flow rate was observed without any concomitant modification in AQP5 expression and localization.
ISSN: 1354-523X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Translational Research in GastroIntestinal Disorders
× corresponding author
# (joint) last author

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