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The role of nuclear factor-kappaB in the laryngeal cancer cell death induced by Pteris semipinnata L extract.

Lo, Chun Shan. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references (leaves 71-80). / Abstracts in English and Chinese. / Abstract --- p.i / Chinese abstract --- p.iii / Acknowledgements --- p.iv / List of figures --- p.vi / Abbreviations --- p.vii / Contents --- p.viii / Chapter Chapter One --- General Introduction --- p.Page / Chapter 1.1 --- Background --- p.1 / Chapter 1.2 --- Human papillomavirus infection at the larynx --- p.2 / Chapter 1.2.1 --- Biology of human papillomavirus --- p.4 / Chapter 1.2.2 --- HPV E6 protein --- p.5 / Chapter 1.2.3 --- HPV E7 protein --- p.7 / Chapter 1.3 --- Apoptosis --- p.9 / Chapter 1.3.1 --- Apoptosis signaling pathways --- p.11 / Chapter 1.4 --- Transcription factor: Nuclear factor -kB --- p.14 / Chapter 1.4.1 --- Overview of the NF-kB signaling pathway --- p.14 / Chapter 1.4.2 --- Regulation of NF-kB signaling --- p.16 / Chapter 1.4.3 --- Roles of NF-kB in cancers --- p.19 / Chapter 1.5 --- Pteris semipinnata L extract: ent-11 -hydroxy-15-oxo-kaur-16-en-19-oic-acid (5F) --- p.21 / Chapter 1.6 --- Objectives --- p.22 / Chapter Chapter Two --- Materials and Methods / Chapter 2.1 --- Cell culture --- p.24 / Chapter 2.2 --- Cell proliferation analysis --- p.24 / Chapter 2.3 --- Western Blotting --- p.26 / Chapter 2.3.1 --- Total protein extraction --- p.26 / Chapter 2.3.2 --- Nuclear and cytoplasmic protein extraction --- p.26 / Chapter 2.3.3 --- Quantification of protein concentration --- p.27 / Chapter 2.3.4 --- Sodium dodecyl sulfate - polyacylamide gel electrophoresis (SDS-PAGE) and protein transfer --- p.28 / Chapter 2.3.5 --- Immunoblotting --- p.29 / Chapter 2.4 --- NF-kB Luciferase Assay --- p.29 / Chapter 2.5 --- Annexin V apoptosis assay --- p.31 / Chapter 2.6 --- mRNA expression analyses --- p.33 / Chapter 2.6.1 --- RNA extraction --- p.33 / Chapter 2.6.2 --- Reverse Transcription --- p.33 / Chapter 2.6.3 --- Polymerase Chain Reaction --- p.34 / Chapter 2.7 --- Antibodies --- p.35 / Chapter Chapter Three --- Results / Chapter 3.1 --- "Anti-proliferation effect of 5F on laryngeal cancer cells UMSCC11A, UMSCC12 and HEp-2 cells" --- p.36 / Chapter 3.2 --- Suppression by 5F in HEp-2 of mRNA and protein expression levels in HPV18 E7 while the expression level of HPV18 E6 was not altered --- p.38 / Chapter 3.3 --- Quantification of 5F-induced apoptosis in laryngeal cancer cells by Annexin V assay --- p.40 / Chapter 3.4 --- Morphological changes in laryngeal cancer cells induced by 5F --- p.41 / Chapter 3.5 --- "Cleavage of poly (ADP-ribose) polymerase (PARP) and pro-caspase-3 induced by 5F in UMSCC11 A, UMSCC12 and HEp-2 cell lines" --- p.47 / Chapter 3.6 --- "Down-regulation of TNF-α-induced NF-kB subunit p65 and p50 nuclear translocations in UMSCC11 A, UMSCC12 and HEp-2 by 5F" --- p.47 / Chapter 3.7 --- Dose-dependent inhibition of 5F on NF-kB transcriptional activity measured by luciferase assay --- p.53 / Chapter 3.8 --- Partial inhibition of TNF-α induced kBα degradation by 5F in UMSCC11A but not in UMSCC12 and HEp-2 --- p.56 / Chapter 3.9 --- Cell proliferation inhibition and apoptosis induction by Bay (11-7082) in laryngeal cancer cells --- p.56 / Chapter 3.10 --- Differential basal nuclear translocation of p65 and p50 in laryngeal cancer cell lines --- p.57 / Chapter 3.11 --- 5F regulated NF-kB target gene expression --- p.58 / Chapter Chapter Four --- Discussions --- p.64 / Reference --- p.71 / Appendix / Appendix 1 Map of pLuc- NF-kB plasmid --- p.81

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326452
Date January 2008
ContributorsLo, Chun Shan., Chinese University of Hong Kong Graduate School. Division of Surgery.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, ix, 81 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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