IR@PKUHSC  > 北京大学基础医学院  > 药理学系
学科主题基础医学
Identification of aquaporin-5 and lipid rafts in human resting saliva and their release into cevimeline-stimulated saliva
Pan, Yan1; Iwata, Fusako2; Wang, Di1; Muraguchi, Masahiro2; Ooga, Keiko2; Ohmoto, Yasukazu2; Takai, Masaaki2; Cho, Gota1; Kang, Jinsen1; Shono, Masayuki3; Li, Xue-jun4; Okamura, Ko5; Mori, Toyoki2; Ishikawa, Yasuko1
关键词Aquaporin-5 Water channel Lipid rafts Human saliva Biomarker Salivary flow rate Anti-human AQP5-antibody
刊名BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS
2009
DOI10.1016/j.bbagen.2008.08.009
1790期:1页:49-56
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Biochemistry & Molecular Biology ; Biophysics
研究领域[WOS]Biochemistry & Molecular Biology ; Biophysics
关键词[WOS]APICAL PLASMA-MEMBRANE ; RAT PAROTID-GLANDS ; WATER CHANNEL ; URINARY-EXCRETION ; SIGNAL-TRANSDUCTION ; AMYLASE SECRETION ; ACINAR-CELLS ; TRAFFICKING ; ACETYLCHOLINE ; TRANSLOCATION
英文摘要

Background: It is unknown whether AQP5 and lipid rafts are released into human unstimulated (resting) saliva and saliva in response to secretagogues.

Methods: In order to quantitate the salivary concentration of AQP5, we produced a polyclonal antibody for human AQP5 and developed an enzyme-like immunosorbent assay (ELISA).

Results: AQP5 and lipid rafts were identified in human resting saliva. The amount of AQP5 in resting saliva showed a diurnal variation with high levels during waking hours, and an age-related decrease in AQP5 was coincident with the volume of resting saliva. Cevimeline, a muscarinic acetylcholine receptor (mAChR) agonist, induced the release of AQP5 with lipid rafts, amylase, mucin, and lysozyme. Changes in saliva AQP5 levels after cevimeline administration occurred simultaneously with changes in saliva flow rates. Confocal microscopy revealed that AQP5 was located in the apical plasma membrane and showed a diffuse pattern in parotid glands under resting conditions. Following cevimeline administration, AQP5 was predominantly associated with the APM and was localized in the lumen.

General significance: AQP5 and lipid rafts were released with salivary proteins from human salivary glands by the stimulation Of M-3 mAChRs, and that changes in saliva AQP5 levels can be used as an indicator of salivary flow rate and also as a useful index Of M3 mAChR agonist′s action on human salivary glands. Crown Copyright (C) 2008 Published by Elsevier B.V. All rights reserved.

语种英语
WOS记录号WOS:000262307700007
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/63080
Collection北京大学基础医学院_药理学系
北京大学基础医学院
作者单位1.Univ Tokushima, Dept Pharmacol, Grad Sch Dent, Tokushima 7708504, Japan
2.Otsuka Pharmaceut Co Ltd, Res Inst Pharmacol & Therapeut Dev, Tokushima 7710192, Japan
3.Univ Tokushima, Support Ctr Adv Med Sci, Tokushima 7708504, Japan
4.Peking Univ, Dept Pharmacol, Hlth Sci Ctr, Beijing 100191, Peoples R China
5.Osaka Univ, Grad Sch Med, Dept Social & Environm Med, Suita, Osaka 5650871, Japan
Recommended Citation
GB/T 7714
Pan, Yan,Iwata, Fusako,Wang, Di,et al. Identification of aquaporin-5 and lipid rafts in human resting saliva and their release into cevimeline-stimulated saliva[J]. BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS,2009,1790(1):49-56.
APA Pan, Yan.,Iwata, Fusako.,Wang, Di.,Muraguchi, Masahiro.,Ooga, Keiko.,...&Ishikawa, Yasuko.(2009).Identification of aquaporin-5 and lipid rafts in human resting saliva and their release into cevimeline-stimulated saliva.BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS,1790(1),49-56.
MLA Pan, Yan,et al."Identification of aquaporin-5 and lipid rafts in human resting saliva and their release into cevimeline-stimulated saliva".BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS 1790.1(2009):49-56.
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