期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 438, 期 1, 页码 175-179出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2013.07.048
关键词
Asthma; Bronchial epithelial cells; Ciliary beating; Acetylcholine; Nicotinic receptors; Mucociliary transport
资金
- Ministry of Education, Science, Sports and Culture, Japan
- Manabe Research Support of Japan Allergy Foundation
Acetylcholine (ACh) exerts various anti-inflammatory effects through alpha 7 nicotinic ACh receptors (nAC-hRs). We have previously shown that secreted lymphocyte antigen-6/urokinase-type plasminogen activator receptor-related peptide-1 (SLURP-1), a positive allosteric modulator of alpha 7 nAChR signaling, is down-regulated both in an animal model of asthma and in human epithelial cells treated with an inflammatory cytokine related to asthma. Our aim of this study was to explore the effect of SLURP-I, signal through alpha 7 nAChR, in the pathophysiology of airway inflammation. Cytokine production was examined using human epithelial cells. Ciliary beat frequency of murine trachea was measured using a high speed camera. The IL-6 and TNF-alpha production by human epithelial cells was augmented by siRNA of SLURP-I and alpha 7 nicotinic ACh receptor. The cytokine production was also dose-dependently suppressed by human recombinant SLURP-1 (rSLURP-1). The ciliary beat frequency and amplitude of murine epithelial cells were augmented by PNU282987, a selective alpha 7 nAChR agonist. Those findings suggested that SLURP-1 and stimulus through oa nicotinic ACh receptors actively controlled asthmatic condition by stimulating ciliary beating and also by suppressing airway inflammation. (C) 2013 Elsevier Inc. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据