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Mechanisms for stimulation of C1- secretion by scutellariae radix extract and its major flavonoid baicalein in human colonic T84 cells.

Yip Wai Nga. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 93-101). / Abstracts in English and Chinese. / Abstract (English version) --- p.i / Abstract (Chinese version) --- p.v / Acknowledgements --- p.viii / Table of contents --- p.ix / List of figures --- p.xii / List of abbreviation --- p.xv / Chapter Chapter I: --- Introduction --- p.1 / Chapter I.1 --- Transepithelial ion transport --- p.1 / Chapter I.1.1 --- Fluid secretion in colon --- p.1 / Chapter I.1.2. --- Cellular mechanism of chloride secretion --- p.3 / Chapter 1.2. --- Regulation of chloride secretion in T84 cells --- p.6 / Chapter I.2.1 --- Human colonic T84 cells as the study model --- p.6 / Chapter I.2.2 --- Signal transduction pathways of chloride secretion in T84 cells --- p.13 / Chapter I.3. --- Pharmacological actions of Scutellariae Radix --- p.13 / Chapter I.3.1. --- What is Scutellariae Radix? --- p.13 / Chapter I.3.2. --- Some biological and pharmacological actions of Scutellariae Radix --- p.13 / Chapter I.4. --- Effects of Scutellariae Radix and its major flavonoid baicalein on ion transport in T84 cells --- p.15 / Chapter I.4.1. --- Effects of Scutellariae Radix extract on ion transport in T84 cells --- p.15 / Chapter I.4.2. --- Biological effects of baicalein --- p.15 / Chapter I.5 --- "Relationship of Coptidis rhizoma and its active ingredient berberine, with Scutellariae radix in traditional remedies" --- p.18 / Chapter I.6 --- Aim of study --- p.20 / Chapter Chapter II: --- Methods and Materials --- p.21 / Chapter II.1. --- Culture technique of the T84 cells --- p.21 / Chapter II.2. --- Conventional short-circuit current (Isc) measurement --- p.24 / Chapter II.2.1. --- Experimental setup --- p.24 / Chapter II.2.2. --- Preparation of the permeable supports --- p.27 / Chapter II.2.3. --- Cell seeding --- p.27 / Chapter II.2.4. --- Short-circuit measurement --- p.29 / Chapter II.2.5 --- Short-circuit measurement in nystatin-permeabilized T84 monolayers --- p.30 / Chapter II.3. --- Measurement of protein kinase A activity --- p.31 / Chapter II.4. --- Solutions and chemicals --- p.32 / Chapter II.5. --- Statistical analysis --- p.33 / Chapter Chapter III: --- Result --- p.34 / Chapter III.1. --- Effect of SRE on transepithelial ion transport processes in T84 monolayers --- p.35 / Chapter III.1.1 --- Effect of SRE and baicalein on baseline Isc --- p.35 / Chapter III.1.2 --- Effect of ion channel blockers on SRE-stimulated Isc --- p.39 / Chapter III.1.3 --- Effect of K+ channel blockers on SRE-stimulated Isc --- p.42 / Chapter III.1.4 --- Effect of SRE in C1- free solution --- p.48 / Chapter III.2. --- Effect of SRE on apical C1- conductance and basolateral K+ conductance in nystatin-permeabilized T84 monolayers --- p.51 / Chapter III.2.1 --- Effect of SRE and baicalein on baseline IC1 --- p.51 / Chapter III.2.2 --- Study of apical C1- conductance in T84 monolayers --- p.54 / Chapter III.2.3 --- Interaction of SRE and forskolin --- p.61 / Chapter III.2.4 --- Study of basolateral K+ conductance in T84 monolayers --- p.62 / Chapter III.3 --- Effect of SRE and baicalein on PKA activities in T84 cells --- p.64 / Chapter III.3.1 --- Effect of Scutellariae Radix on PKA activity --- p.66 / Chapter III.3.2 --- Effect of baicalein on PKA activity --- p.69 / Chapter III.3.3. --- Effect of berberine on PKA activity --- p.69 / Chapter III.3.3. --- Interaction of baicalein and berberine on PKA activity --- p.74 / Chapter Chapter IV: --- Discussion --- p.77 / Chapter IV.1 --- "Scutellariae Radix,Coptidis Rhizoma, and gastrointestinal secretory function" --- p.77 / Chapter IV.2 --- SRE- and baicalein-induced increase in Isc --- p.79 / Chapter IV.3 --- Cellular signaling mechanisms underlying the effect of SRE and baicalein --- p.82 / Chapter IV.4 --- "Interaction between Scutellariae Radix and Coptidis Rhizoma - the ""ying and yang"" hypothesis" --- p.89 / Chapter IV.5 --- Summary --- p.91

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324799
Date January 2004
ContributorsYip, Wai Nga., Chinese University of Hong Kong Graduate School. Division of Physiology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xv, 101 leaves : ill. ; 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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