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In vitro and in vivo photodynamic activities for BAM-SiPc, an unsymmetrical bisamino silicon(IV) phthalocyanine.

Leung, Ching Hei. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 101-110). / Abstracts in English and Chinese. / Acknowledgements --- p.i / 摘要(Abstract in Chinese) --- p.iii / Abstract --- p.v / List of Abbreviations --- p.vii / List of Figures and Tables --- p.ix / Table of Content --- p.xi / Chapter CHAPTER 1 --- Introduction / Chapter 1.1 --- History and development of photodynamic therapy --- p.1 / Chapter 1.2 --- Basic principle of photodynamic therapy: the beauty of the treatment --- p.3 / Chapter 1.3 --- "Photosensitizers: From discovery, synthesis to modifications" --- p.6 / Chapter 1.4 --- Enhancement of selective retention of PS in cancerous tissue --- p.10 / Chapter 1.5 --- Development of silicon (IV) phthalocyanine derivatives --- p.14 / Chapter 1.6 --- Death mechanisms in photodynamic therapy --- p.17 / Chapter 1.7 --- Objectives of the present study --- p.18 / Chapter CHAPTER 2 --- Materials and Methods / Chapter 2.1 --- Synthesis of BAM-SiPc --- p.20 / Chapter 2.2 --- Preparation of BAM-SiPc solution for photodynamic treatment --- p.20 / Chapter 2.3 --- Cell line and culture conditions --- p.21 / Chapter 2.4 --- Animal tumor model --- p.23 / Chapter 2.5 --- PDT laser source --- p.23 / Chapter 2.6 --- In vitro photodynamic activity assay --- p.23 / Chapter 2.6.1 --- Preparation of cells for photodynamic treatment / Chapter 2.6.2 --- In vitro photodynamic treatment / Chapter 2.6.3 --- Cell viability assay / Chapter 2.7 --- "Determination of reactive oxygen species production by 2',7'- dichlorofluorescein diacetate (DCFDA) assay" --- p.28 / Chapter 2.8 --- Analysis of cell cycle arrest --- p.28 / Chapter 2.9 --- Biodistribution of BAM-SiPc --- p.29 / Chapter 2.10 --- In vivo photodynamic treatment --- p.30 / Chapter 2.11 --- Assay for plasma enzyme activities --- p.30 / Chapter 2.12 --- Determination of cellular uptake of BAM-SiPc --- p.31 / Chapter 2.13 --- Metabolism of BAM-SiPc --- p.31 / Chapter 2.14 --- Histochemical staining --- p.32 / Chapter 2.14.1 --- Preparation of paraffin-embedded tissue section / Chapter 2.14.2 --- Haematoxylin and Eosin (H & E) staining / Chapter 2.14.3 --- Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) assay / Chapter 2.15 --- Conjugation of BAM-SiPc with LDL --- p.34 / Chapter 2.15.1 --- Analysis of the phototoxicity and cellular uptake of BAM- SiPc in the presence of LDL / Chapter 2.15.2 --- Gel filtration analysis of the mixture of LDL and BAM- SiPc / Chapter 2.16 --- Statistical analysis --- p.35 / Chapter CHAPTER 3 --- Results / Chapter 3.1 --- In vitro photodynamic activity assays --- p.36 / Chapter 3.2 --- Tissue distribution of BAM-SiPc in HepG2- bearing nude mice --- p.39 / Chapter 3.3 --- Anti-tumor activities of in vivo PDT with BAM-SiPc --- p.42 / Chapter 3.3.1 --- In vivo effect of PDT treatment with BAM-SiPc on HepG2 and HT29 tumor growth / Chapter 3.3.2 --- Dosage effect on anti-tumor activities by BAM-SiPc mediated PDT / Chapter 3.4 --- Analysis of intrinsic toxicity induced by BAM-SiPc mediated PDT --- p.48 / Chapter 3.4.1 --- H & E staining of liver sections of nude mice after in vivo PDT / Chapter 3.4.2 --- Plasma enzyme activity assays of PDT treated mice / Chapter 3.5 --- BAM-SiPc metabolism in in vitro culture cells and liver homogenate --- p.53 / Chapter 3.5.1 --- Cellular uptake of BAM-SiPc / Chapter 3.5.2 --- BAM-SiPc metabolism in cultured normal liver cells and cancer cells / Chapter 3.5.3 --- BAM-SiPc metabolism by mice liver homogenate / Chapter 3.6 --- Death mechanism induced by BAM-SiPc mediated PDT --- p.62 / Chapter 3.6.1 --- Events related to cell death induced by in vitro BAM-SiPc mediated PDT / Chapter 3.6.2 --- Death mechanism exerted by in vivo BAM-SiPc mediated PDT / Chapter 3.7 --- Effect on phototoxicity of BAM-SiPc in the presence of LDL --- p.70 / Chapter 3.7.1 --- Effect on phototoxicity of BAM-SiPc after mixing BAM- SiPc with LDL / Chapter 3.7.2 --- Gel filtration for analysis of the LDL-BAM-SiPc mixture / Chapter CHAPTER 4 --- Discussion / Chapter 4.1 --- Anti-cancer effect of BAM-SiPc on different cancer cell lines --- p.76 / Chapter 4.2 --- Tissue distribution of BAM-SiPc in HepG2 bearing nude mice --- p.77 / Chapter 4.3 --- In vivo effect of BAM-SiPc mediated PDT on HepG2 and HT29 tumor growth --- p.80 / Chapter 4.4 --- Analysis of the safety of using BAM-SiPc as a potential agent in PDT --- p.83 / Chapter 4.5 --- Metabolism of BAM-SiPc --- p.84 / Chapter 4.6 --- Mechanism of the apoptosis triggered by BAM-SiPc mediated PDT --- p.88 / Chapter 4.7 --- Death mechanism induced by in vivo PDT with BAM-SiPc --- p.93 / Chapter 4.8 --- Phototoxicity of BAM-SiPc in the presence of LDL --- p.94 / Chapter CHAPTER 5 --- Conclusion and Future perspective / Chapter 5.1 --- Conclusion --- p.97 / Chapter 5.2 --- Future perspective --- p.98 / References

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325987
Date January 2007
ContributorsLeung, Ching Hei., Chinese University of Hong Kong Graduate School. Division of Biochemistry.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xiii, 110 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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