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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Microalbuminuria, heavy metals and cardiovascular risk factors in Hong Kong Chinese school children.

January 2011 (has links)
Xiao, Kang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 83-103). / Abstracts in English and Chinese. / Abstract --- p.I / 摘要 --- p.VI / Chapter Chapter 1 --- Background --- p.1 / Chapter 1.1 --- Introduction --- p.1 / Chapter 1.2 --- Albuminuria --- p.3 / Chapter 1.2.1 --- Definition --- p.3 / Chapter 1.2.2 --- Albuminuria in adolescents/children --- p.6 / Chapter 1.2.3 --- Prevalence of albuminuria in adults and adolescents --- p.8 / Chapter 1.2.4 --- Pathogenesis of albuminuria --- p.10 / Chapter 1.3 --- CVD and risk factors --- p.12 / Chapter 1.4 --- The associations between microalbuminuria and CVD risk factors --- p.17 / Chapter 1.5 --- Heavy metals --- p.18 / Chapter 1.5.1 --- Definition of heavy metals --- p.18 / Chapter 1.5.2 --- Adverse effects of heavy metals --- p.19 / Chapter 1.5.3 --- Heavy metals exposure In Hong Kong population: the local scene --- p.28 / Chapter 1.6 --- MicroRNAs --- p.29 / Chapter 1.6.1 --- The discovery of microRNAs --- p.29 / Chapter 1.6.2 --- The biogenesis of microRNAs --- p.30 / Chapter 1.6.3 --- The function of microRNAs --- p.31 / Chapter 1.7 --- Hypothesis --- p.40 / Chapter Chapter 2 --- Methodology --- p.41 / Chapter 2.1 --- Population --- p.41 / Chapter 2.2 --- Laboratory assays --- p.42 / Chapter 2.3 --- Statistical analysis --- p.44 / Chapter Chapter 3 --- Results --- p.46 / Chapter 3.1 --- Demographic and baseline clinical data --- p.46 / Chapter 3.2 --- Microalbuminuria and cardiovascular risk factors --- p.48 / Chapter 3.3 --- Microalbuminuria and heavy metals --- p.51 / Chapter 3.4 --- Microalbuminuria and miRNAs --- p.54 / Chapter 3.5 --- "Microalbuminuria, miRNAs, heavy metals and cardiovascular risk factors" --- p.57 / Chapter 3.6 --- miRNAs and heavy metals --- p.60 / Chapter Chapter 4 --- Discussion --- p.62 / Chapter 4.1 --- Heavy metals and microalbuminuria --- p.62 / Chapter 4.2 --- Heavy metals and CVD risk factors --- p.68 / Chapter 4.3 --- Microalbuminuria and CVD risk factors --- p.75 / Chapter 4.4 --- miRNAs and Heavy metals --- p.76 / Chapter 4.5 --- miRNAs and microalbuminuria --- p.77 / Chapter 4.6 --- Conclusion --- p.79 / Acknowledgement --- p.82 / References --- p.83
2

The association of CTLA-4 gene with childhood graves' disease in Hong Kong Chinese.

January 2006 (has links)
Yung Chung Ming Edmund. / Thesis submitted in: September 2005. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 44-54). / Abstracts in English and Chinese. / Title Page / Contents / Abstract / 摘要 / List of Figures and tables / Abbreviations / Text / References / Chapter Chapter 1: --- General Introduction / Chapter 1.1 --- An overview to the study of CTLA-4 gene in childhood Graves' disease (GD) / Chapter 1.1.1 --- "Graves' disease 226}0ؤ features, incidence, aetiology and pathogenesis page" / Chapter 1.1.1.1 --- GD features 226}0ؤ from clinical to laboratory --- p.1 / Chapter 1.1.1.2 --- GD incidence - from adult to children --- p.2 / Chapter 1.1.1.3 --- GD aetiology - from environment to genes --- p.3 / Chapter 1.1.1.4 --- GD pathogenesis - from auto-antigen to autoantibody --- p.4 / Chapter 1.1.2 --- CTLA-4 gene study in Graves' disease --- p.5 / Chapter 1.1.3 --- Conclusion --- p.6 / Chapter 1.2 --- "Objectives, hypothesis and planning of the study" --- p.7 / Chapter 1.2.1 --- Objectives --- p.7 / Chapter 1.2.2 --- Hypothesis --- p.7 / Chapter 1.2.3 --- Planning --- p.7 / Chapter Chapter 2: --- Literature Review --- p.8 / Chapter 2.1 --- The CD28 / CTLA-4: B7 co-stimulatory pathway and Graves' disease --- p.8 / Chapter 2.1.1 --- Overview of co-stimulation and T cell activation --- p.8 / Chapter 2.1.2 --- Overview of the CD28 gene --- p.9 / Chapter 2.1.3 --- Overview of the CTLA-4 gene --- p.10 / Chapter 2.1.4 --- Co-stimulation and Graves' disease --- p.13 / Chapter 2.2 --- The study of CTLA-4 gene polymorphism in Graves' disease --- p.14 / Chapter Chapter 3: --- Methodology --- p.16 / Chapter 3.1 --- Recruitment of subjects --- p.16 / Chapter 3.1.1 --- Recruitment of cases --- p.16 / Chapter 3.1.2 --- Recruitment of controls --- p.16 / Chapter 3.1.3 --- Ethical approval --- p.17 / Chapter 3.2 --- Peripheral blood collection and genomic DNA preparation --- p.17 / Chapter 3.2.1 --- Peripheral blood collection --- p.17 / Chapter 3.2.2 --- White blood cell harvesting --- p.17 / Chapter 3.2.3 --- White blood cell digestion --- p.17 / Chapter 3.2.4 --- DNA extraction --- p.17 / Chapter 3.3 --- Polymerase Chain Reaction (PCR) amplification of CTLA-4 gene exon one --- p.18 / Chapter 3 .4 --- PCR-Restriction Fragment Length Polymorphism (PCR-RFLP) analysis of CTLA-4 gene codon 17 A/G dimorphism --- p.19 / Chapter 3.5 --- PCR-Single Strand Conformational Polymorphism (PCR-SSCP) analysis of of CTLA-4 gene codon 17 A/G dimorphism --- p.21 / Chapter 3.5.1 --- Preparation of SSCP gel and buffer --- p.21 / Chapter 3.5.2 --- ´5ةend labelling of forward PCR primer --- p.21 / Chapter 3.5.3 --- Preparation of PCR fragment for SSCP analysis --- p.21 / Chapter 3.5.4 --- SSCP analysis --- p.22 / Chapter 3.5.5 --- Autoradiography --- p.22 / Chapter 3.6 --- Sequence confirmation of the SSCP fragment by PCR cycle sequencing --- p.22 / Chapter 3.6.1 --- Preparation of sequencing template from SSCP fragment --- p.22 / Chapter 3.6.2 --- PCR cycle sequencing --- p.23 / Chapter 3.6.3 --- Preparation of cycle sequencing products for electrophoresis --- p.23 / Chapter 3.6.4 --- Sequencing by capillary electrophoresis (CE) --- p.24 / Chapter 3.7 --- Statistical analysis --- p.24 / Chapter Chapter 4: --- Results and Data Analysis --- p.26 / Chapter 4.1 --- Results --- p.26 / Chapter 4.1.1 --- Demographic data of case and control subjects --- p.26 / Chapter 4.1.2 --- PCR amplification of CTLA-4 gene exon one --- p.26 / Chapter 4.1.3 --- PCR-RFLP analysis of CTLA-4 gene codon 17 A/G dimorphism locus --- p.26 / Chapter 4.1.4 --- PCR-SSCP analysis of CTLA-4 gene codon 17 A/G dimorphism locus --- p.29 / Chapter 4.1.5 --- PCR cycle sequencing of the SSCP fragments --- p.31 / Chapter 4.2 --- Data analysis --- p.32 / Chapter 4.2.1 --- Overview of data --- p.32 / Chapter 4.2.2 --- CTLA-4 exon one polymorphism analysed with respect to sex --- p.32 / Chapter 4.2.3 --- CTLA-4 exon one polymorphism in patients with Graves' disease and controls --- p.34 / Chapter Chapter 5: --- Discussion --- p.36 / Chapter Chapter 6: --- Summary and Conclusions --- p.42
3

Genetic association study between chitinase and atopic eczema phenotype in Chinese children.

January 2009 (has links)
Ching, Ka Wai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2009. / Includes bibliographical references (leaves [69-80]). / Abstract also in Chinese. / Abstract (in English) --- p.ii / Abstract (in Chinese) --- p.v / Acknowledgement --- p.viii / Table of Contents --- p.ix / List of Tables --- p.xii / List of Figures --- p.xiii / Glossary of Terms and Abbreviations --- p.xv / Chapter Chapter 1: --- Introduction --- p.1 / Chapter 1.1 --- Introduction of Atopic Eczema (AE) --- p.1 / Chapter 1.1.1 --- Definition and classification of AE --- p.1 / Chapter 1.1.2 --- Epidemiology --- p.3 / Chapter 1.1.2.1 --- The hygiene hypothesis --- p.5 / Chapter 1.2 --- Pathogenesis and Etiology --- p.6 / Chapter 1.2.1 --- Biphasic type-1/type-2 T-helper lymphocyte (Thl/Th2) immunological responses --- p.6 / Chapter 1.2.2 --- Nature and involvements of immunoglobin E (IgE) --- p.8 / Chapter 1.2.3 --- Microbial colonization --- p.9 / Chapter 1.2.4 --- Cytokines involvement --- p.10 / Chapter 1.2.5 --- Pruritus inducing neurotrophic factors --- p.11 / Chapter 1.2.6 --- "Food allergens, aeroallergens" --- p.12 / Chapter 1.2.7 --- Dysregulation of innate immune system --- p.13 / Chapter 1.2.7.1 --- Dysregulation of antimicrobial peptides --- p.14 / Chapter 1.2.7.2 --- Skin barrier impairment --- p.14 / Chapter 1.2.8 --- Genetic predisposition --- p.15 / Chapter 1.3 --- Assessments of Atopic Eczema (AE) --- p.17 / Chapter 1.3.1 --- AE severity assessment --- p.17 / Chapter 1.3.1.1 --- Scoring of atopic dermatitis (SCORAD) system --- p.17 / Chapter 1.3.1.2 --- Nottingham eczema severity score (NESS) --- p.20 / Chapter 1.3.2 --- Dermatological parameter - skin hydration (SH) and transepidermal water loss (TEWL) --- p.22 / Chapter 1.4 --- Chitinase (CHIA) --- p.22 / Chapter 1.4.1 --- Chitin and CHIA --- p.22 / Chapter 1.4.2 --- Association of acid mammalian chitinase (AMCase) with asthma --- p.23 / Chapter 1.4.3 --- Hygiene hypothesis implies: AMCase and allergy relationship --- p.24 / Chapter Chapter 2: --- Hypothesis and Objectives --- p.25 / Chapter 2.1 --- Hypothesis - based on CHIA involvements in canine AE --- p.25 / Chapter 2.2 --- Hypothesis --- p.25 / Chapter 2.3 --- Objective 226}0ؤ based on AMCase single nucleotide polymorphism (SNPs) in asthma susceptibility --- p.25 / Chapter 2.4 --- Objectives --- p.27 / Chapter Chapter 3: --- Methodology --- p.28 / Chapter 3.1 --- Recruitment of cases and controls --- p.28 / Chapter 3.2 --- Assessment of clinical parameters --- p.29 / Chapter 3.2.1 --- Scoring of atopic dermatitis (SCORAD) system --- p.29 / Chapter 3.2.2 --- Nottingham eczema severity score (NESS) --- p.29 / Chapter 3.2.3 --- Dermatologic parameters --- p.29 / Chapter 3.2.3.1 --- Cutaneous bacterial colonization --- p.29 / Chapter 3.2.3.2 --- Skin hydration (SH) and transepidermal water loss (TEWL) --- p.30 / Chapter 3.3 --- Peripheral blood collection and genomic deoxyribonucleic acid (DNA) extraction --- p.30 / Chapter 3.4 --- Acid mammalian chitinase (AMCase) polymorphism genotyping --- p.31 / Chapter 3.4.1 --- Polymerase chain reactions (PCR) amplification of AMCase gene --- p.31 / Chapter 3.4.1.1 --- List of PCR reagents --- p.32 / Chapter 3.4.1.2 --- Electrophoresis reagents --- p.33 / Chapter 3.4.2 --- Restriction fragment length polymorphism (RFLP) analysis of AMCase and confirmation with direct sequencing --- p.33 / Chapter 3.5 --- Statistical analysis --- p.34 / Chapter Chapter 4: --- Results and Data Analysis --- p.36 / Chapter 4.1 --- Results --- p.36 / Chapter 4.1.1 --- Demographic data of cases and controls --- p.36 / Chapter 4.1.2 --- PCR amplification and RFLP analysis of AMCase gene --- p.37 / Chapter 4.1.3 --- PCR cycle sequencing of the PCR fragments --- p.40 / Chapter 4.2 --- Data analysis --- p.41 / Chapter 4.2.1 --- Data overview --- p.41 / Chapter 4.2.2 --- Genotypes distribution of AMCase polymorphisms --- p.43 / Chapter 4.2.2.1 --- Allele frequency comparison of AMCase single nucleotide polymorphism (SNPs) by chi-square --- p.43 / Chapter 4.2.2.2 --- Allele frequency comparison of AMCase SNPs by logistic regression analysis --- p.44 / Chapter 4.2.3 --- Haplotype frequency estimation via maximum likelihood algorithm --- p.45 / Chapter 4.2.4 --- Association of AMCase polymorphism with Atopic Eczema (AE) clinical parameters --- p.47 / Chapter 4.2.4.1 --- Peripheral blood eosinophil counts --- p.48 / Chapter 4.2.4.2 --- Serum immunoglobin E (IgE) level --- p.49 / Chapter 4.2.4.3 --- Dermatologic factors --- p.49 / Chapter 4.2.4.3.1 --- Cutaneous Staphylococcus aureus colonization --- p.49 / Chapter 4.2.4.3.2 --- Skin hydration (SH) and transepidermal water loss (TEWL) --- p.50 / Chapter Chapter 5: --- Discussion --- p.52 / Chapter 5.1 --- Data overview --- p.52 / Chapter 5.2 --- AMCase rs3806448 polymorphism was significantly different among AE cases and controls --- p.53 / Chapter 5.2.1 --- Allele frequency comparison of AMCase SNPs polymorphisms by chi-square --- p.53 / Chapter 5.2.2 --- Allele frequency comparison of AMCase SNPs polymorphisms by logistic regression analysis --- p.54 / Chapter 5.2.3 --- The possible genetic modification by rs3806448 homozygous recessive genotype --- p.55 / Chapter 5.3 --- "Significant difference of haplotype frequency, 2212 among case-control comparison" --- p.56 / Chapter 5.4 --- Strong associations between AMCase SNPs polymorphisms and clinical parameters of AE --- p.57 / Chapter 5.4.1 --- Peripheral blood eosinophil counts --- p.57 / Chapter 5.4.2 --- Dermatologic factors --- p.58 / Chapter 5.4.2.1 --- Cutaneous Staphylococcus aureus colonization --- p.58 / Chapter 5.4.2.2 --- Skin hydration (SH) and transepidermal water loss (TEWL) --- p.59 / Chapter 5.5 --- Limitation of the present study --- p.59 / Chapter Chapter 6: --- Conclusion and Future Prospect --- p.62 / Chapter 6.1 --- Conclusion --- p.62 / Chapter 6.2 --- Future prospect --- p.62 / Chapter Chapter 7: --- Appendices --- p.64 / Chapter Chapter 8: --- References --- p.69

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