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Regulation of chloride secretion by P2Y receptors in polarized human bronchial epithelia, 16HBE14o-.

Wong, Miu Fong. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 140-152). / Abstracts in English and Chinese. / DECLARATION --- p.i / ACKNOWLEDGEMENT --- p.ii / ABBREVIATIONS --- p.iii / ABSTRACT IN ENGLISH --- p.iv / ABSTRACT IN CHINESE --- p.vii / TABLE OF CONTENTS --- p.ix / LIST OF FIGURES --- p.xii / LIST OF TABLES --- p.xviii / Chapter CHAPTER I - --- INTRODUCTION / Chapter 1.1 --- Regulation of human airway surface liquid --- p.1 / Chapter 1.2 --- Sodium reabsorption and chloride secretion in airway epithelium --- p.3 / Chapter 1.3 --- Purinergic receptors --- p.7 / Chapter 1.4 --- P2Y receptors in epithelial cells --- p.11 / Chapter 1.5 --- Autocrine or paracrine regulation of ion transport in epithelial cells --- p.13 / Chapter 1.6 --- Signaling pathways underlying the regulation of ion transport by P2Y receptors stimulation --- p.16 / Chapter 1.7 --- The therapeutic potential of P2Y receptors in treating cystic fibrosis --- p.18 / Chapter 1.8 --- Particular interest on P2Y6 receptor as potential target for treatment of cystic fibrosis --- p.21 / Chapter 1.9 --- Properties of 16HBE14o- cell line --- p.23 / Chapter 1.10 --- Objectives of the present experiments --- p.25 / Chapter CHAPTER II - --- MATERIALS AND METHODS / Chapter 2.1 --- Solutions and Chemicals --- p.26 / Chapter 2.2 --- Cell culture --- p.28 / Chapter 2.3 --- Simultaneous measurement of short-circuit current (Isc) and intracellular calcium concentration ([Ca2+ ])i --- p.29 / Chapter 2.3.1 --- Preparation of 16HBE14o- cells for simultaneous measurement of Isc and [Ca2+]i --- p.29 / Chapter 2.3.2 --- Measurement of Isc and transepithelial resistance with Ussing chamber --- p.32 / Chapter 2.3.3 --- Simultaneous measurement of Isc and [Ca2+]i --- p.35 / Chapter 2.4 --- Measurement of protein kinase A activity --- p.38 / Chapter 2.5 --- Data analysis --- p.39 / Chapter CHAPTER III - --- RESULTS / Chapter 3.1 --- Apical and basolateral application of P2Y agonists induced Isc and [Ca2+]i responses in 16HBE14o- cells --- p.40 / Chapter 3.1.1 --- Effect of apical and basolateral application of ATP on Isc and [Ca2+̐]ư --- p.40 / Chapter 3.1.2 --- Effect of apical and basolateral application of UTP on Isc and [Ca2+̐]ư --- p.45 / Chapter 3.1.3 --- Effect of apical and basolateral application of UDP on Isc and [Ca2+̐]ư --- p.50 / Chapter 3.1.4 --- "Summary of the effects of apical and basolateral application of ATP, UTP and UDP on Isc and [Ca2+̐]ư" --- p.55 / Chapter 3.2 --- Ionic mechanisms underlying the effect of apical and basolateral UDP on 16HBE14o- cells --- p.56 / Chapter 3.2.1 --- Differential effect of apical and basolateral UDP on Isc --- p.56 / Chapter 3.2.2 --- Effect of various apical CI- channel blockers on Isc response induced by apical and basolateral application of UDP --- p.59 / Chapter 3.2.3 --- Effect of various basolateral K+ channel blockers on Isc response induced by apical and basolateral application of UDP --- p.83 / Chapter 3.3 --- Involvement of other signaling molecules or pathways in regulation of the chloride secreting response evoked by apical and basolateral UDP --- p.108 / Chapter 3.3.1 --- Effect of apical and basolateral UDP on PKA activity --- p.109 / Chapter 3.3.2 --- Effect of PKC inhibitors on Isc response induced by apical and basolateral application of UDP --- p.111 / Chapter CHAPTER IV - --- DISCUSSION / Chapter 4.1 --- Simultaneous measurement of Isc and [Ca2+ ̐]ư upon apical and basolateral application of P2Y agonists in 16HBE14o- cells --- p.125 / Chapter 4.2 --- Ionic mechanism underlying the effect of apical and basolateral UDP on 16HBE14o- cells --- p.128 / Chapter 4.2.1 --- Possible ionic mechanism for chloride secretion mediated by apical P2Y6 receptors --- p.131 / Chapter 4.2.2 --- Possible ionic mechanism for chloride secretion mediated by basolateral P2Y6 receptors --- p.133 / Chapter 4.3 --- Involvement of other possible signaling molecules or pathway underlying the action of apical and basolateral UDP --- p.135 / Chapter 4.4 --- Summary --- p.138 / Chapter CHAPTER V - --- REFERENCES --- p.140 / Publications --- p.153

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326048
Date January 2007
ContributorsWong, Miu Fong., Chinese University of Hong Kong Graduate School. Division of Physiology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xviii, 153 leaves : ill. (some col.) ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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