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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

Histopathological and ultrastructural changes of mouse placenta caused by two plant abortifacient proteins : trichosanthin and bitter melon protein extract (momorcharin).

January 1983 (has links)
Lau Chun Fat. / Bibliography: leaves 83-97 / Thesis (M.Phil.) -- Chinese University of Hong Kong, 1983
2

Studies of the immunomodulatory and anti-tumour activities of three abortifacient proteins : α- & b- momorcharin and trichosanthin.

January 1986 (has links)
by Leung Shui On. / Bibliography: leaves 161-172 / Thesis (M.Ph.)--Chinese University of Hong Kong, 1986
3

Determination of epitopic fragments of [alpha]-momorcharin by expression of the full-length and modified cDNA in escherichia coli.

January 1994 (has links)
Leung Kwan-chi. / Thesis (Ph.D.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 215-223). / ACKNOWLEDGEMENTS --- p.i / ABSTRACT --- p.ii / ABBREVIATIONS --- p.iii / Chapter CHAPTER 1 --- INTRODUCTION --- p.1 / Chapter 1.1 --- Brief description of Momordica charantia --- p.2 / Chapter 1.2 --- Toxicity of RIPs and their potential uses in the treatment of AIDS --- p.3 / Chapter 1.3 --- General mechanism of action of RIPs --- p.6 / Chapter 1.4 --- Structure of αMMC --- p.7 / Chapter 1.5 --- "Antigenicities of αMMC, BMMC and TCS" --- p.13 / Chapter 1.6 --- "Immunosuppressive properties of the abortifacient proteins αMMC, BMMC and TCS" --- p.14 / Chapter 1.7 --- Objectives of our study --- p.15 / Chapter CHAPTER 2 --- EXPRESSION OF FULL-LENGTH αMMC cDNA --- p.20 / Chapter 2.1 --- Expression of αMMC cDNA as a fusion protein --- p.22 / Chapter 2.1.1 --- Materials and methods --- p.22 / Chapter 2.1.1.1 --- Construction of fusion vector pRIT2T/MMC --- p.22 / Chapter 2.1.1.2 --- Preparation of αMMC insert by PCR --- p.26 / Chapter 2.1.1.3 --- Cloning of αMMC cDNA into fusion vector pRIT2T --- p.27 / Chapter 2.1.1.4 --- Transformation --- p.28 / Chapter 2.1.1.5 --- DNA sequencing --- p.29 / Chapter 2.1.1.6 --- Expression of protein A-αMMC fusion cDNA --- p.30 / Chapter 2.1.1.7 --- Preparation of fusion αMMC for affinity chromatography --- p.31 / Chapter 2.1.1.8 --- Affinity chromatography of Protein A-αMMC fusion protein --- p.31 / Chapter 2.1.1.9 --- Cleavage of protein A-αMMC fusion protein by factor Xa --- p.32 / Chapter 2.1.1.10 --- SDS-PAGE analysis --- p.33 / Chapter 2.1.1.11 --- Western blot analysis --- p.33 / Chapter 2.1.1.12 --- Assay of biological activity --- p.35 / Chapter 2.1.2 --- Results --- p.37 / Chapter 2.1.2.1 --- Construction of pRIT2T/MMC --- p.37 / Chapter 2.1.2.2 --- DNA sequencing --- p.40 / Chapter 2.1.2.3 --- Expression of protein A-αMMC fusion cDNA --- p.42 / Chapter 2.1.2.4 --- Purification of protein A-αMMC fusion protein --- p.45 / Chapter 2.1.2.5 --- Cleavage of protein A-aMMC fusion protein --- p.49 / Chapter 2.1.2.6 --- Assay of biological activity --- p.49 / Chapter 2.1.3 --- Discussion --- p.51 / Chapter 2.2 --- Expression of αMMC cDNA as an unfused protein --- p.52 / Chapter 2.2.1 --- Materials and methods --- p.52 / Chapter 2.2.1.1 --- Construction of the plasmid pET/MMC --- p.52 / Chapter 2.2.1.2 --- Preparation of αMMC insert by PCR --- p.56 / Chapter 2.2.1.3 --- Enzyme digestions --- p.57 / Chapter 2.2.1.4 --- Ligation --- p.58 / Chapter 2.2.1.5 --- Transformation --- p.59 / Chapter 2.2.1.6 --- Screening for αMMC inserts --- p.59 / Chapter 2.2.1.7 --- DNA sequencing --- p.60 / Chapter 2.2.1.8 --- Expression of unfused aMMC cDNA --- p.60 / Chapter 2.2.1.9 --- SDS-PAGE analysis --- p.61 / Chapter 2.2.1.10 --- Western blot analysis --- p.62 / Chapter 2.2.1.11 --- Purification of recombinant αMMC --- p.62 / Chapter 2.2.1.12 --- Biological activity of recombinant αMMC --- p.63 / Chapter 2.2.1.13 --- Radioimmunoassay --- p.63 / Chapter 2.2.2 --- Results --- p.67 / Chapter 2.2.2.1 --- Screening of pET/MMC --- p.67 / Chapter 2.2.2.2 --- DNA sequencing --- p.69 / Chapter 2.2.2.3 --- Expression of unfused αMMC cDNA --- p.69 / Chapter 2.2.2.4 --- Radioimmunoassay --- p.72 / Chapter 2.2.2.5 --- Purification of recombinant αMMC --- p.74 / Chapter 2.2.2.6 --- Biological activity of recombinant αMMC --- p.74 / Chapter 2.2.3 --- Discussion --- p.80 / Chapter CHAPTER 3 --- EXPRESSION OF MODIFIED FORMS OF αMMC cDNA --- p.82 / Chapter 3.1 --- Expression of deletion fragments of αMMC cDNA --- p.83 / Chapter 3.1.1 --- Materials and methods --- p.83 / Chapter 3.1.1.1. --- Construction of deletion mutants --- p.83 / Chapter 3.1.1.1.1 --- Modification of pRIT2T/MMC --- p.86 / Chapter 3.1.1.1.2 --- Preparation of closed circular DNA --- p.86 / Chapter 3.1.1.1.3 --- Alpha-phosphorothioate nucleotide --- p.87 / Chapter 3.1.1.1.4 --- Exo III digestion --- p.89 / Chapter 3.1.1.1.5 --- Ligation --- p.89 / Chapter 3.1.1.1.6 --- Transformation --- p.90 / Chapter 3.1.1.1.7 --- Screening of deletion subclones --- p.91 / Chapter 3.1.1.2 --- Confirmation of sequences --- p.91 / Chapter 3.1.1.3 --- Expression of deletion mutants --- p.92 / Chapter 3.1.1.4 --- Purification of deletion mutants --- p.92 / Chapter 3.1.1.5 --- Cleavage of deletion mutants --- p.93 / Chapter 3.1.1.6 --- Subcloning of the αMMC cDNA fragments --- p.94 / Chapter 3.1.1.7 --- Expression of the unfused deletion --- p.96 / Chapter 3.1.2 --- Results --- p.97 / Chapter 3.1.2.1 --- Designation of the deletion mutants --- p.97 / Chapter 3.1.2.2 --- Screening of deletion mutants --- p.98 / Chapter 3.1.2.3 --- DNA sequencing --- p.100 / Chapter 3.1.2.4 --- Expression of deletion mutants --- p.109 / Chapter 3.1.2.5 --- Purification of the fusion fragments --- p.111 / Chapter 3.1.2.6 --- Digestion of deletion mutants by factor Xa --- p.113 / Chapter 3.1.2.7 --- Subcloning of αMMC deletion fragments --- p.115 / Chapter 3.1.2.8 --- Expression of the unfused aMMC deletion --- p.117 / Chapter 3.1.3 --- Discussion --- p.119 / Chapter 3.2 --- Expression of a chimeric αMMC/TCS cDNA --- p.121 / Chapter 3.2.1 --- Materials and methods --- p.122 / Chapter 3.2.1.1 --- Construction of the MMC/TCS chimeric plasmid --- p.122 / Chapter 3.2.1.1.1 --- Digestion of pfG104 - Preparation of GH1100 --- p.125 / Chapter 3.2.1.1.2 --- Preparation of the GH405 fragment --- p.125 / Chapter 3.2.1.1.3 --- Digestion of pACYC177 --- p.126 / Chapter 3.2.1.1.4 --- "Dephosphorylation, ligation and transformation" --- p.126 / Chapter 3.2.1.1.5 --- Confirmation of insert orientation --- p.127 / Chapter 3.2.1.1.6 --- "Preparation of a fragment without PstI, ScaI" --- p.128 / Chapter 3.2.1.1.7 --- Preparation of the 750-bp TCS fragment --- p.128 / Chapter 3.2.1.1.8 --- Ligation of the TCS fragment --- p.129 / Chapter 3.2.1.1.9 --- Cleavage of pACYC177/TCS with ScaI and PstI --- p.129 / Chapter 3.2.1.1.10 --- Preparation of the PstI/HhaI-digested αMMC --- p.130 / Chapter 3.2.1.1.11 --- Ligation of the 252-bp fragment --- p.131 / Chapter 3.2.1.1.12 --- Cloning of MMC/TCS chimeric fragment --- p.131 / Chapter 3.2.1.2 --- Expression of pET/MMC-TCS --- p.132 / Chapter 3.2.1.3 --- SDS-PAGE analysis --- p.133 / Chapter 3.2.1.4 --- Western blot analysis --- p.134 / Chapter 3.2.1.5 --- Purification of MMC-TCS chimeric protein --- p.134 / Chapter 3.2.2 --- Results --- p.135 / Chapter 3.2.2.1 --- Construction of pET/MMC-TCS --- p.135 / Chapter 3.2.2.2 --- Expression of TCS/MMC chimeric cDNA --- p.140 / Chapter 3.2.2.3 --- Purification of MMC-TCS chimeric protein --- p.142 / Chapter 3.2.2.4 --- Reactivity of MMC-TCS chimeric protein with various antisera --- p.145 / Chapter 3.2.3 --- Discussion --- p.146 / Chapter CHAPTER 4 --- SCREENING OF αMMC IMMUNO-REACTIVE FRAGMENTS FROM A RANDOM FRAGMENT LIBRARY --- p.148 / Chapter 4.1 --- Materials and methods --- p.150 / Chapter 4.1.1 --- Description of the pTOPE vector --- p.150 / Chapter 4.1.2 --- Construction of an αMMC random fragment library --- p.152 / Chapter 4.1.2.1 --- Preparation of the cDNA insert of αMMC --- p.155 / Chapter 4.1.2.1.1 --- Large scale prearation of theE plasmid MMC18p8 --- p.155 / Chapter 4.1.2.1.2 --- Digestion of the plasmid MMC18p8 with EcoRI --- p.156 / Chapter 4.1.2.1.3 --- Electro-elution --- p.157 / Chapter 4.1.2.2 --- DNase I digestion --- p.158 / Chapter 4.1.2.3 --- Fractionation of DNA fragments --- p.159 / Chapter 4.1.2.3.1 --- Electrophoresis --- p.159 / Chapter 4.1.2.3.2 --- Electro-elution --- p.160 / Chapter 4.1.2.4 --- Single dA Tailing --- p.161 / Chapter 4.1.2.5 --- Ligation --- p.162 / Chapter 4.1.2.6 --- Transformation --- p.162 / Chapter 4.1.2.7 --- Controls --- p.163 / Chapter 4.1.2.7.1 --- Full-length αMMC cDNA control --- p.163 / Chapter 4.1.2.7.2 --- T-Vector ligation control --- p.164 / Chapter 4.1.2.8 --- Storage of the fragment library --- p.164 / Chapter 4.1.3 --- Immunoscreening of the random fragment library OF αMMC --- p.165 / Chapter 4.1.3.1 --- Anti-αMMC sera --- p.165 / Chapter 4.1.3.2 --- Purification of anti-αMMC sera --- p.165 / Chapter 4.1.3.3 --- Colony lift --- p.167 / Chapter 4.1.3.4 --- Induction of expression --- p.169 / Chapter 4.1.3.5 --- Colony lysis --- p.169 / Chapter 4.1.3.6 --- Immunoscreening --- p.170 / Chapter 4.1.4 --- PCR screening of inserts --- p.170 / Chapter 4.1.5 --- Amplification of positive signals --- p.172 / Chapter 4.1.6 --- Dot blot --- p.173 / Chapter 4.1.7 --- Confirmation of positive signals by Western blotting --- p.174 / Chapter 4.1.8 --- Analysis of positive clones by DNA sequencing --- p.175 / Chapter 4.1.9 --- Analysis of 3-dimensional structure of αMMC --- p.176 / Chapter 4.1.10 --- Effect of a monoclonal anti-αMMC antibody (#A1) on ribosome-inactivating activity of aMMC --- p.176 / Chapter 4.2 --- Results --- p.178 / Chapter 4.2.1 --- Theoretical considerations --- p.178 / Chapter 4.2.2 --- Construction of a random fragment library of αMMC cDNA --- p.180 / Chapter 4.2.3 --- Screening for immuno-reactive fragments of αMMC --- p.183 / Chapter 4.2.4 --- Confirmation of positive signals by Western blotting --- p.186 / Chapter 4.2.5 --- Estimation of fragment sizes by PCR --- p.188 / Chapter 4.2.6 --- Analysis of the fragment sequences --- p.190 / Chapter 4.2.7 --- Cross-reactivity of the immuno-reactive fragments --- p.194 / Chapter 4.2.8 --- Effect of a monoclonal anti-αMMC antibody (#A1) on ribosome-inactivating activity of αMMC --- p.196 / Chapter 4.3 --- Discussion --- p.198 / Chapter CHAPTER 5 --- GENERAL DISCUSSION --- p.200 / Concluding remarks --- p.214 / REFERENCES --- p.215 / APPENDIXES GENERAL PROCEDURES --- p.224 / Chapter A.l --- DNA sequencing --- p.224 / Chapter A.2 --- Purification of DNA with Gene Clean --- p.229 / Chapter A.3 --- Purification of primers after synthesis --- p.230 / Chapter A.4 --- Purification of plasmid DNA by Magic Prep (Promega) --- p.232 / Chapter A.5 --- Large-scale preparation of plasmid DNA by QIAGEN --- p.234 / Chapter A.6 --- Lowry protein determination --- p.236 / Chapter A.7 --- Preparation of acid phenol --- p.237 / Chapter A.8 --- SDS-polyacrylamide gel electrophoresis --- p.238
4

Ribosome-inactivating proteins and abortifacient proteins: structure-activity studies.

January 1988 (has links)
by Feng Zhang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1988. / Bibliography: leaves 104-115.
5

N-glycosidase activity of [alpha]- and [beta]-momorcharins.

January 1994 (has links)
Poon Yin-tat. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 101-111). / ACKNOWLEDGEMENTS --- p.I / ABSTRACT --- p.II / LIST OF ABBREVIATIONS --- p.IV / TABLE OF CONTENTS --- p.V / Chapter CHAPTER 1: --- INTRODUCTION --- p.1 / Chapter CHAPTER 2: --- PURIFICATION OF α- AND β-MOMORCHARINS --- p.26 / Chapter CHAPTER 3: --- N-GLYCOSIDASE ACTIVITY OF α- AND β-MOMORCHARINS --- p.45 / REFERENCES --- p.101
6

Misoprostol - pharmacokinetics and effects on uterine contractility and cervical ripening in early pregnancy /

Aronsson, Annette, January 2007 (has links)
Diss. (sammanfattning) Stockholm : Karolinska institutet, 2007. / Härtill 4 uppsatser.
7

Improving medical abortion : using mifepristone in combination with a prostaglandin analogue /

Fiala, Christian, January 2005 (has links)
Diss. (sammanfattning) Stockholm : Karolinska institutet, 2005. / Härtill 5 uppsatser.
8

Studies on the histological, biochemical and physiological changes in the mid-term pregnant mouse after the administration of [alpha]-momorcharin.

January 1987 (has links)
Lee Po Yuk. / Thesis (M.Ph.)--Chinese University of Hong Kong, 1987. / Bibliography: leaves 75-81.

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