Return to search

The use of ligation-mediated polymerase chain reaction to explore the molecular mechanisms of immunoglobulin gene hypermutation.

by Kwok Fung, Lo. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1997. / Includes bibliographical references (leaves 89-97). / Acknowledgement --- p.i / Table of Content --- p.ii / Abstract --- p.vi / List of Abbreviation --- p.viii / List of Tables and figures --- p.ix / Chapter Chapter 1. --- Introduction --- p.1 / Chapter 1.1 --- The immunoglobulin --- p.1 / Chapter 1.1.1 --- Immunoglobulin structure --- p.1 / Chapter 1.1.2 --- Immunogloblulin genes --- p.1 / Chapter 1.1.3 --- Immunogloblulin gene recombination --- p.3 / Chapter 1.1.4 --- Antibody diversity --- p.4 / Chapter 1.1.4.1 --- Imprecise joining --- p.5 / Chapter 1.1.4.2 --- N region addition --- p.5 / Chapter 1.1.4.3 --- Somatic mutation --- p.6 / Chapter 1.2 --- Hypermutation --- p.6 / Chapter 1.2.1 --- Features of hypermutation --- p.6 / Chapter 1.2.2 --- Germinal centre & Affinity maturation --- p.8 / Chapter 1.2.3 --- Mutational Hotspots --- p.9 / Chapter 1.2.4 --- Intrinsic characteristics of hypermutation --- p.10 / Chapter 1.2.5 --- Models for the mechanism of hypermutation --- p.11 / Chapter 1.2.5.1 --- DNA replication --- p.11 / Chapter 1.2.5.2 --- DNA repair --- p.12 / Chapter 1.2.5.3 --- Gene conversion --- p.13 / Chapter 1.2.5.4 --- Transcription --- p.15 / Chapter 1.2.5.5 --- Homologous recombination of reverse transcribed mRNA --- p.16 / Chapter 1.2.5.6 --- Transcription-coupled repair --- p.17 / Chapter 1.3 --- Scope of investigation --- p.17 / Chapter Chapter 2 --- Material and Method --- p.20 / Chapter 2.1 --- Materials --- p.20 / Chapter 2.2 --- Methods (first generation of LMPCR) --- p.21 / Chapter 2.2.1 --- Animal and cell lines --- p.21 / Chapter 2.2.2 --- Oxazolone antigen immunization --- p.21 / Chapter 2.2.2.1 --- Preparation of Bordetella pertussis --- p.21 / Chapter 2.2.2.2 --- Coupling of phenyloxazolone with CSA or BSA --- p.22 / Chapter 2.2.2.3 --- Preparation of aluminium hydroxide adjuvant --- p.23 / Chapter 2.2.2.4 --- Mice immunization --- p.23 / Chapter 2.2.3 --- Detection of anti-phOx antibody by enzyme-linked immunosorbent assay (ELISA) --- p.24 / Chapter 2.2.3.1 --- Reagents --- p.24 / Chapter 2.2.3.2 --- Assay procedure --- p.24 / Chapter 2.2.4 --- Extraction of genomic DNA (mice/cell line) --- p.25 / Chapter 2.2.4.1 --- Reagents --- p.25 / Chapter 2.2.4.2 --- Isolation of DNA from cell line (NQ2.12.4 & NQ5.4.3) --- p.25 / Chapter 2.2.4.3. --- DNA extraction from mice --- p.26 / Chapter 2.2.5 --- Ligation-mediated polymerase chain reaction (LMPCR) --- p.26 / Chapter 2.2.5.1 --- Procedure --- p.26 / Chapter 2.2.5.1.1 --- First primer extension --- p.29 / Chapter 2.2.5.1.2 --- Ligation --- p.29 / Chapter 2.2.5.1.3 --- PCR amplification --- p.30 / Chapter 2.2.5.1.4 --- Labelling of LMPCR product --- p.30 / Chapter 2.2.6 --- Marker preparation --- p.31 / Chapter 2.2.7 --- Polyacrylamide gel electrophoresis --- p.32 / Chapter 2.2.7.1 --- Reagents --- p.32 / Chapter 2.2.7.2 --- Procedure --- p.32 / Chapter 2.2.8 --- Southern blot hybridization --- p.33 / Chapter 2.2.8.1 --- Reagents --- p.33 / Chapter 2.2.8.2 --- DNA blotting --- p.34 / Chapter 2.2.8.3 --- Preparation of 32P labelling DNA probe --- p.34 / Chapter 2.2.8.4 --- Prehybridization and Hybridization --- p.35 / Chapter 2.2.9 --- Simplified protocol for the first generation of LMPCR --- p.36 / Chapter 2.3 --- Method (second generation of LMPCR) --- p.37 / Chapter 2.3.1 --- Excess linker removal --- p.37 / Chapter 2.3.1.1 --- Exonuclease III Treatment --- p.37 / Chapter 2.3.1.2 --- Mung bean nuclease Treatment --- p.37 / Chapter 2.3.1.3 --- Chroma Spin Treatment --- p.37 / Chapter 2.3.2 --- HindIII digestion after LMPCR --- p.38 / Chapter 2.3.3 --- DNA sequencing --- p.38 / Chapter 2.3.3.1 --- Cloning of amplified sequences to M13mpl9 plasmid --- p.38 / Chapter 2.3.3.2 --- Plaque hybridization --- p.39 / Chapter 2.3.3.3 --- Preparation of single-stranded templates --- p.39 / Chapter 2.3.3.4 --- Sanger dideoxy sequencing of single-stranded DNA --- p.40 / Chapter 2.3.4 --- Simplified protocol for second generation of LMPCR --- p.41 / Chapter Chapter 3 --- First generation of LMPCR --- p.42 / Chapter 3.1 --- General design --- p.42 / Chapter 3.1.1 --- LMPCR protocol and its modification --- p.42 / Chapter 3.1.2 --- Oligonucleotide design --- p.44 / Chapter 3.1.3 --- Experimental design --- p.48 / Chapter 3.2 --- Result --- p.50 / Chapter 3.2.1 --- Anti-phOx Ig level in normal and immunized mice --- p.50 / Chapter 3.2.2 --- LMPCR analysis of the sense strand of VkOxl --- p.50 / Chapter 3.2.2.1 --- Overall patterns of the LMPCR signals --- p.50 / Chapter 3.2.2.2 --- Southern hybridization --- p.50 / Chapter 3.2.2.3 --- Distribution of signals --- p.57 / Chapter 3.2.2.4 --- LMPCR analysis of the VkOxl-Jk5 anti-phOx transgene --- p.61 / Chapter 3.2.2.5 --- Effect of the number of cells carrying the VkOxl-Jk5 gene on LMPCR --- p.61 / Chapter 3.2.3 --- LMPCR analysis of the antisense strand of VkOxl --- p.64 / Chapter 3.3 --- Discussion --- p.64 / Chapter Chapter 4 --- Second generation of LMPCR --- p.72 / Chapter 4.1 --- Introduction(experi mental modification) --- p.72 / Chapter 4.1.1 --- Tagging the specific LMPCR products by addition of a Hin dIII site in the linker --- p.72 / Chapter 4.1.2 --- "Removal of excess linker, OXUH" --- p.72 / Chapter 4.1.2.1 --- Exonuclease III treatment --- p.73 / Chapter 4.1.2.2 --- Chroma spin treatment --- p.73 / Chapter 4.1.2.3 --- Mung Bean Nuclease treatment --- p.75 / Chapter 4.1.3 --- Other modifications in LMPCR --- p.75 / Chapter 4.2 --- Results --- p.75 / Chapter 4.2.1 --- Effect of including Exonuclease III treatment --- p.75 / Chapter 4.2.2 --- Effect of including Mung Bean Nuclease treatment --- p.76 / Chapter 4.2.3 --- Effect of including Chroma spin treatment --- p.76 / Chapter 4.2.4 --- Strand break positions detected at the sense strand --- p.76 / Chapter 4.2.5 --- DNA sequence analysis of the antisense strand LMPCR products --- p.82 / Chapter 4.3 --- Discussion --- p.84 / References --- p.89 / Appendix I --- p.98

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_321916
Date January 1997
ContributorsLo, Kwok Fung., Chinese University of Hong Kong Graduate School. Division of Microbiology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish
Detected LanguageEnglish
TypeText, bibliography
Formatprint, x, 99 leaves : ill. (some mounted) ; 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/)

Page generated in 0.003 seconds