Dong Ming. / Thesis submitted in: December 2005. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 118-152). / Abstracts in English and Chinese. / Abstract (English) --- p.i / Abstract (Chinese) --- p.iii / Acknowledgement --- p.iv / Table of Contents --- p.v / Abbreviation list --- p.xi / Chapter Chapter 1 --- General introduction / Chapter 1.1 --- Preamble --- p.1 / Chapter 1.2 --- Neural Crest Cells (NCCs) --- p.2 / Chapter 1.3 --- Enteric Nervous System (ENS) and Vagal Neural Crest Cells (Vagal NCCs) --- p.4 / Chapter 1.4 --- Sacral Neural Crest Cells (Sacral NCCs) --- p.7 / Chapter 1.5 --- Signalling Mechanisms of Sacral Neural Crest Cells --- p.17 / Chapter 1.6 --- Hirschsprung's Disease (HSCR) --- p.20 / Chapter 1.7 --- Objective of the Study and Contents of the Following Chapters --- p.21 / Chapter Chapter 2 --- Migration from the dorsal neural tube to the pelvic mesenchyme / Chapter 2.1 --- Introduction --- p.24 / Chapter 2.2 --- Materials and Methods --- p.32 / Chapter 2.2.1 --- Animal --- p.32 / Chapter 2.2.2 --- Isolation of embryos from pregnant mice at E9.5 to --- p.32 / Chapter 2.2.3 --- Histological preparation of the caudal segments --- p.33 / Chapter 2.2.4 --- p75 immunohistochemical staining --- p.33 / Chapter 2.2.5 --- Preparation of rat serum --- p.34 / Chapter 2.2.6 --- Preparation of the culture medium --- p.34 / Chapter 2.2.7 --- Preparation of wheat germ agglutinin-gold conjugates (WGA-Au) --- p.35 / Chapter 2.2.8 --- Preparation of CMFDA --- p.35 / Chapter 2.2.9 --- Preparation of DiI --- p.36 / Chapter 2.2.10 --- "Microinjection of WGA-Au, DiI and CMFDA" --- p.36 / Chapter 2.2.11 --- Whole embryo culture --- p.37 / Chapter 2.2.12 --- Examination of cultured embryos --- p.37 / Chapter 2.2.13 --- Histological preparation of WGA-Au labelled embryos --- p.38 / Chapter 2.2.14 --- Silver enhancement staining of the sections of WGA-Au labelled embryos --- p.39 / Chapter 2.2.15 --- Cryosectioning of the embryos labelled with DiI --- p.39 / Chapter 2.2.16 --- p75 immunohistochemical staining of DiI-labelled cells --- p.40 / Chapter 2.3 --- Results --- p.41 / Chapter 2.3.1 --- Observations on embryos developed in vivo --- p.41 / Chapter 2.3.2 --- Closed yolk sac culture vs open yolk sac culture --- p.42 / Chapter 2.3.3 --- Neural crest cell labelling in the caudal part of embryos --- p.43 / Chapter 2.3.4 --- Neural crest cell labelling with DiI in the caudal part of the neural tube followed by in vitro culture from E9.5 to E11.0 --- p.45 / Chapter 2.3.5 --- Neural crest labelling with DiI in the caudal part of the neural tube followed by in vitro culture from E10.5 to E11.5 --- p.46 / Chapter 2.3.6 --- Focal labelling at the levels of the 26th and 29th somites followed by in vitro culture --- p.48 / Chapter 2.3.7 --- p75 immunohistochemical staining on the caudal part of the embryo at E10.5 --- p.49 / Chapter 2.3.8 --- p75 immunohistochemical staining on embryos labelled with DiI --- p.50 / Chapter 2.4 --- Discussion --- p.51 / Chapter 2.4.1 --- Embryos at E9.5 cultured with an intact yolk sac membrane grew better than those with the yolk sac membrane cut open --- p.52 / Chapter 2.4.2 --- Migration at the levels of the 24th to 28th somite --- p.53 / Chapter 2.4.3 --- Migration at the levels of the 29th to 33th somite --- p.58 / Chapter 2.4.4 --- Sacral NCCs migrate along a straight dorsolateral pathway --- p.60 / Chapter 2.4.5 --- "Most of the DiI positive cells are p75 positive, but not all of the p75 positive cells are DiI positive" --- p.62 / Chapter Chapter 3 --- Migration from the pelvic mesenchyme to the hindgut / Chapter 3.1 --- Introduction --- p.65 / Chapter 3.2 --- Materials and Methods --- p.73 / Chapter 3.2.1 --- Isolation of hindguts with or without adjacent tissues from embryos at E10.5 to E13.5 --- p.73 / Chapter 3.2.2 --- Microinjection of DiI into the pelvic mesenchymal tissue of the h indguts --- p.74 / Chapter 3.2.3 --- Preparation of the culture medium --- p.74 / Chapter 3.2.4 --- Preparation of the culture dish --- p.74 / Chapter 3.2.5 --- Gut culture --- p.75 / Chapter 3.2.6 --- Cryosections of the hindguts after in vitro culture --- p.75 / Chapter 3.3 --- Results --- p.76 / Chapter 3.3.1 --- "Hindguts isolated from embryos at E10.5, E11.5, E12.5 and E14.5" --- p.76 / Chapter 3.3.2 --- p75 immunohistochemical staining of the serial sections through the caudal part of the embryos --- p.78 / Chapter 3.3.3 --- Observations on hindgut without pelvic plexus cultured from E11.5 to E14.5 --- p.81 / Chapter 3.3.4 --- "Culture of hindguts with pelvic mesenchyme cultured from E11.5 to E14.25, E14.5 and E15.5" --- p.82 / Chapter 3.3.5 --- Culture of the whole length of the gut tube without pelvic mesenchyme from E11.5 to E15.5 --- p.84 / Chapter 3.3.6 --- Culture of the whole length of the gut tube with pelvic mesenchyme from E11.5 to E15.5 --- p.84 / Chapter 3.3.7 --- "Culture of hindguts with Dil labelling in the pelvic mesenchyme from E11.5 to E14.0, E14.2 5, E14.5 and" --- p.85 / Chapter 3.3.8 --- Culture of the whole length of the gut tube with DiI labelling in the pelvic mesenchyme from E11.5 to E14.5 --- p.86 / Chapter 3.4 --- Discussion --- p.88 / Chapter 3.4.1 --- Development of the hindgut and the urogenital system from E10.5 to E14.5 --- p.88 / Chapter 3.4.2 --- No p75 positive cells were found in the hindgut before E13.5 --- p.89 / Chapter 3.4.3 --- The sacral neural crest cells migrate into the hindgut at around E14.5 --- p.91 / Chapter 3.4.4 --- "The sacral neural crest cells migrated in the serosa, and entered the myenteric plexus prior to populating the submucosal plexus" --- p.95 / Chapter 3.4.5 --- Most of DiI labelled sacral neural crest cells in the hindgut also expressed p75 --- p.98 / Chapter Chapter 4 --- Migration from the neural tube to the hindgut / Chapter 4.1 --- Introduction --- p.101 / Chapter 4.2 --- Materials and Methods --- p.104 / Chapter 4.3 --- Results --- p.106 / Chapter 4.3.1 --- Morphology observations on the hindguts isolated from DiI-labelled embryos --- p.106 / Chapter 4.3.2 --- Distribution of the DiI-labelled cells and p75 positive cells before the culture of the hindgut explant --- p.106 / Chapter 4.3.3 --- Culture of hindgut explanted from Dil-labelled embyos for 3.5 days from E11.0 to E14.5 --- p.107 / Chapter 4.4 --- Discussion --- p.109 / Chapter Chapter 5 --- General discussion and conclusions --- p.113 / References --- p.118 / Figures and Legends --- p.153 / Tables and Graphs --- p.203 / Appendix --- p.209
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325497 |
| Date | January 2006 |
| Contributors | Dong, Ming., Chinese University of Hong Kong Graduate School. Division of Anatomical and Cellular Pathology. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xii, 212 leaves, [49] leaves of plates : ill. (chiefly col.) ; 30 cm. |
| Rights | Use 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 0.0023 seconds