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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

A morphological and biochemical study on the hemisected rat spinal cord implanted with cultured astrocytes.

January 1993 (has links)
Joie Jie Wang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1993. / Includes bibliographical references (leaves 121-132). / ABSTRACT --- p.i / ACKNOWLEDGEMENTS --- p.iii / LIST OF TABLE --- p.vii / LIST OF FIGURES --- p.viii / LIST OF ABBREVIATIONS --- p.xii / Chapter CHAPTER I. --- INTRODUCTION --- p.1 / Chapter I.1. --- Fibre tracts of the rat spinal cord --- p.1 / Chapter I.2. --- Histopathological responses to spinal cord injuries --- p.2 / Chapter I.3. --- Failure of CNS regeneration --- p.4 / Intrinsic inability of CNS neurons themselves to regenerate --- p.4 / Inappropriate synapse without normal functioning --- p.5 / Progressive necrosis and cystic cavities --- p.5 / Autoimmune explanation for the failure of regeneration --- p.6 / Glial scarring --- p.6 / Absence of Schwann cells in the CNS --- p.7 / Lack of requisite growth factors --- p.8 / Chapter I.4. --- The use of transplants --- p.9 / Transplants of fetal nerve tissues --- p.9 / Transplants of peripheral nerve tissues --- p.10 / Transplants of neuroglial cells --- p.11 / Transplants of central neurons --- p.12 / Chapter I.5. --- Objectives of the present study --- p.13 / Chapter CHAPTER II. --- METERIALS AND METHODS --- p.15 / Chapter II.1. --- Hemisection of rats --- p.15 / Chapter II.2. --- Preparation of purified cortical astrocytes --- p.15 / Chapter II.3. --- Scanning electron microscopy (SEM) --- p.18 / Chapter II.4. --- HistologýؤLight microscopy --- p.19 / Chapter II.5. --- Measurement of volume of scar tissue --- p.19 / Chapter II.6. --- Immunofluorescence staining --- p.20 / Chapter II.7. --- Transmission electron microscopy --- p.23 / Chapter II.8. --- Comparison of expression of various proteins in the spinal cord --- p.24 / Polyacrylainide gel electrophoresis --- p.24 / Western blotting --- p.26 / Chapter CHAPTER III. --- RESULTS --- p.28 / Chapter III.1. --- Survival of cultured astrocytes --- p.28 / Chapter III.2. --- Light microscopy --- p.28 / Hemotoxylin and Eosin staining --- p.28 / Toluidine Blue staining --- p.30 / PHAL labelled astrocytes --- p.31 / Immunofluorescence staining --- p.32 / N-CAM --- p.32 / GFAP --- p.33 / NF --- p.34 / Chapter III.3. --- Transmission electron microscopy (TEM) --- p.35 / Chapter III.4. --- Determination of the volume of scar tissue --- p.37 / Chapter III.5. --- Gel electrophoresis --- p.38 / Chapter III.6. --- Immunoblotting and densitometry --- p.38 / Chapter CHAPTER IV. --- DISCUSSION AND CONCLUSIONS --- p.115 / REFERENCES --- p.121
2

Morphological and biochemical studies of the spinal cord in the rat after hemisection.

January 1992 (has links)
by Wai-Ying Li. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1992. / Includes bibliographical references (leaves 87-94). / ABSTRACT --- p.i / CONTENTS --- p.iii / Chapter CHAPTER I. --- INTRODUCTION / Chapter A. --- Plasticity of central nervous system --- p.1 / Chapter B. --- The response of spinal cord after injury --- p.2 / Chapter C. --- Sprouting in the corticospinal tracts --- p.3 / Chapter D. --- Influential factors of sprouting in CNS --- p.5 / Chapter E. --- The objective of the present study --- p.6 / Chapter CHAPTER II. --- THE NORMAL RAT CORTICOSPINAL TRACTS --- p.9 / Chapter CHAPTER III. --- MATERIALS AND METHODS / Chapter A. --- The experimental model --- p.15 / Chapter B. --- Retrograde fluorescing tracer study to confirm sprouting --- p.16 / Chapter C. --- Protagol silver study to detect axonal sprouting --- p.19 / Chapter D. --- Chromatolysis study to prove the sprouting --- p.22 / Chapter E. --- Degenerating silver study to detect where sprouting might have come from --- p.25 / Chapter F. --- Cytochrome oxidase study to evaluate the cytochemical change of the motor neurons after hemisection --- p.28 / Chapter G. --- Labelled uptake studies to assay the biochemical changes after hemisection --- p.31 / Chapter H. --- The Raman spectroscopy study to detect proteins change after hemisection --- p.33 / Chapter I. --- Study on preferential growth sprouts into spinal cord or peripheral nerve --- p.35 / Chapter J. --- Study on target specificity of sprouting fibers --- p.37 / Chapter K. --- Study on the behavior of the hemisected rats --- p.39 / Chapter CHAPTER IV. --- RESULTS / Chapter A. --- Examination of the sprouting / Chapter 1. --- Results of the retrograde fluorescent tracer study --- p.50 / Chapter 2. --- Result of protagol silver study --- p.51 / Chapter 3. --- Result of chromatolysis study --- p.52 / Chapter 4. --- Result of degenerating silver study --- p.52 / Chapter B. --- Estimation of biochemical changes / Chapter 1. --- Result of cytochemical changes --- p.53 / Chapter 2. --- Result of labelled uptake study --- p.54 / Chapter 3. --- Result of Ramam spectroscopy study --- p.54 / Chapter C. --- Result on preferential growth of sprouts into the spinal cord or peripheral nerve --- p.55 / Chapter D. --- Result of target specificity study --- p.55 / Chapter E. --- Changes in the walking ability --- p.56 / Chapter CHAPTER V. --- Conclusion and discussion / Chapter A. --- Evaluation of the sprouting --- p.77 / Chapter B. --- Estimation on the source of sprouting --- p.79 / Chapter C. --- Evaluation of promoting effect of peripheral nerve --- p.79 / Chapter D. --- Evaluation of target specificity of sprouting --- p.80 / Chapter E. --- Analysis of functional activity of sprouting --- p.80 / Chapter F. --- Factors influencing sprouting --- p.81 / REFERENCES --- p.87 / ACKNOWLEDGEMENT --- p.95

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