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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.
11

Development of a small animal model to study tissue engineering strategies for growth plate defects

Coleman, Rhima M. January 2007 (has links)
Thesis (Ph. D.)--Bioengineering, Georgia Institute of Technology, 2008. / Guldberg, Robert, Committee Chair ; Boyan, Barbara, Committee Member ; O'Keefe, Regis, Committee Member ; Vito, Ray, Committee Member ; Bellankonda, Ravi, Committee Member.
12

Biosynthesis, characterization and implantation of artificial growth plate using 3-D chondrocyte pellet culture.

January 1998 (has links)
by Cheng Sze Lok, Alfred. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1998. / Includes bibliographical references (leaves 104-109). / Abstract also in Chinese. / DECLARATION --- p.i / ABSTRACT --- p.ii / ACKNOWLEDGEMENT --- p.vii / ABBREVIATIONS --- p.ix / LIST OF FIGURES --- p.x / LIST OF TABLES --- p.xii / TABLE OF CONTENTS --- p.xiii / Chapter CHAPTER ONE 226}0ؤ --- INTRODUCTION / Chapter 1.1 --- The Growth Plate / Chapter 1.1.1 --- "Function, Structure and Biochemistry of the Growth Plate" --- p.1 / Chapter 1.1.2 --- Extracellular Matrix of the Growth Plate Cartilage --- p.4 / Chapter 1.1.3 --- Vascular Supply to the Growth Plate --- p.9 / Chapter 1.1.4 --- Endochondral Ossification --- p.10 / Chapter 1.2 --- Growth Plate Damage and the Contemporary Reconstruction Models --- p.13 / Chapter 1.3 --- The 3-D Chondrocyte Pellet Culture --- p.15 / Chapter 1.4 --- The Study Plan --- p.16 / Chapter 1.5 --- The Objectives of the Study --- p.18 / Chapter CHAPTER TWO 一 --- METHODOLOGY / Chapter 2.1 --- Biosynthesis of Artificial Growth Plate using 3-D Chondrocyte Pellet Culture / Chapter 2.1.1 --- Isolation of Rabbit Costal Resting Chondrocytes --- p.19 / Chapter 2.1.2 --- Chondrocyte Monolayer Culture --- p.20 / Chapter 2.1.3 --- Three-dimensional Chondrocyte Pellet Culture --- p.20 / Chapter 2.1.4 --- Optimization of 3-D Chondrocyte Pellet Culture System --- p.20 / Chapter 2.2 --- Characterization of the 3-D Chondrocyte Pellet Culture and Monolayer Culture / Chapter 2.2.1 --- Histomorphology --- p.22 / Chapter 2.2.2 --- Alkaline Phosphatase Histochemistry --- p.22 / Chapter 2.2.3 --- Collagen Typing --- p.23 / Chapter 2.2.3.1 --- Labeling and extraction of newly synthesized collagen / Chapter 2.2.3.2 --- SDS-PAGE and autoradiography / Chapter 2.2.4 --- Growth Rate --- p.25 / Chapter 2.2.4.1 --- Total DNA content determination / Chapter 2.2.4.2 --- Thymidine incorporation assay / Chapter 2.3 --- Implantation of Artificial Growth Plate and Assessment / Chapter 2.3.1 --- Implantation of Artificial Growth Plate into Partial Growth Plate Defect Model --- p.27 / Chapter 2.3.1.1 --- Animals / Chapter 2.3.1.2 --- Surgical procedure / Chapter 2.3.1.3 --- Experimental groups / Chapter 2.3.2 --- Histology --- p.30 / Chapter 2.3.3 --- Metabolism of Artificial Growth Plate In Vivo --- p.31 / Chapter 2.3.3.1 --- Radio sulfate labeling / Chapter 2.3.3.2 --- Liquid emulsion and autoradiography / Chapter CHAPTER THREE 一 --- RESULTS / Chapter 3.1 --- Biosynthesis of Artificial Growth Plate using 3-D Chondrocyte Pellet Culture / Chapter 3.1.1 --- Morphology of the Isolated Rabbit Chondrocyte --- p.32 / Chapter 3.1.2 --- Three-dimensional Chondrocyte Pellet Culture --- p.32 / Chapter 3.1.3 --- Optimization of 3-D Chondrocyte Pellet Culture System --- p.35 / Chapter 3.2 --- Characterization of the 3-D Chondrocyte Pellet Culture and Monolayer Culture / Chapter 3.2.1 --- Histomorphology --- p.38 / Chapter 3.2.2 --- Alkaline Phosphatase Histochemistry --- p.43 / Chapter 3.2.3 --- Collagen Typing --- p.47 / Chapter 3.2.4 --- Growth Rate --- p.50 / Chapter 3.2.4.1 --- Total DNA content determination / Chapter 3.2.4.2 --- Thymidine incorporation assay / Chapter 3.3 --- Implantation of Artificial Growth Plate and Assessment / Chapter 3.3.1 --- Histology --- p.54 / Chapter 3.3.2 --- Metabolism of Artificial Growth Plate In Vivo --- p.65 / Chapter CHAPTER FOUR 一 --- DISCUSSION / Chapter 4.1 --- Optimal Condition for 3-D Chondrocyte Pellet Culture System --- p.67 / Chapter 4.1.1 --- Some Critical Characteristics of the Growth Plate --- p.68 / Chapter 4.1.2 --- Selection of Animal Model --- p.69 / Chapter 4.1.3 --- Optimization of Culturing Conditions 226}0ؤ Screening Based on Morphological Studies --- p.69 / Chapter 4.2 --- Characterization of the 3-D Chondrocyte Pellet Culture and Monolayer Culture --- p.73 / Chapter 4.2.1 --- Development of the 3-D Chondrocyte Pellet Culture --- p.73 / Chapter 4.2.2 --- Development of the Chondrocyte Monolayer Culture --- p.78 / Chapter 4.2.3 --- Comparing the 3-D Chondrocyte Pellet Culture and Monolayer Culture --- p.79 / Chapter 4.2.3.1 --- Cellular organization / Chapter 4.2.3.2 --- Terminal differentiation of chondrocytes / Chapter 4.2.3.3 --- Cell division potential / Chapter 4.2.3.4 --- Production of cartilaginous matrix / Chapter 4.3 --- Resumption of Physeal Characteristics by Artificial Growth Plate In Vivo --- p.86 / Chapter 4.3.1 --- Three Stages of In Vivo Development of the Artificial Growth Plate --- p.86 / Chapter 4.3.1.1 --- Incorporation of artificial growth plate with host tissues / Chapter 4.3.1.2 --- Growth of the artificial growth plate invivo / Chapter 4.3.1.3 --- Resumption of endochondral ossification in the artificial growth plate / Chapter 4.3.2 --- Significance of Development of the 3-D Pellet Culture on its In Vivo Development --- p.89 / Chapter 4.3.2.1 --- 3-D pellet culture processes similar extracellular matrix with host / Chapter 4.3.2.2 --- 3-D pellet culture acquires growth plate-like cellular organization and differentiation pattern / Chapter 4.3.3 --- Effect of Host Microenvironment on Artificial Growth Plate Development --- p.90 / Chapter 4.3.3.1 --- Orientation of artificial growth plate implants / Chapter 4.3.3.2 --- Evidence from development of 3-D pellet culture in longer period of culture / Chapter 4.4 --- Comparison with other Growth Plate Reconstruction Models --- p.93 / Chapter 4.4.1 --- Implantation of Biologic or Inert Fillers --- p.93 / Chapter 4.4.2 --- Physeal Transplantation --- p.94 / Chapter 4.4.3 --- Transplantation of Cartilage Allografts --- p.95 / Chapter 4.4.4 --- Transplantation of High-density Chondrocyte Culture --- p.96 / Chapter CHAPTER FIVE 一 --- SUMMARY AND CONCLUSION --- p.98 / Chapter CHAPTER SIX 一 --- FURTHER STUDIES --- p.102 / REFERENCES --- p.104
13

A study on the mechanism of retardation to osteosarcoma growth and spread by cartilaginous tissues. / CUHK electronic theses & dissertations collection

January 1999 (has links)
Cheung Wing-hoi. / "December 1999." / Thesis (Ph.D.)--Chinese University of Hong Kong, 1999. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.
14

Epiphyseal plate repair using fat interposition to reverse physeal deformity : an experimental study

Foster, Bruce Kristian. January 1989 (has links) (PDF)
Bibliography: leaves 169-197. Hypothesises that the physis has an internal mechanism of repair to restore physeal function. Aims to establish a defined degree of deformity by partial growth plate excision, then to examine different methods of reversal of such deformity to observe the process of growth plate repair. A secondary aim was to define the percentage of physis that could be resected yet still enable reversal of deformity.
15

Epiphyseal plate repair using fat interposition to reverse physeal deformity : an experimental study / thesis submitted in March 1989 for the degree of Doctor of Medicine in the University of Adelaide by Bruce Kristian Foster.

Foster, Bruce K. January 1989 (has links)
Bibliography: leaves 169-197. / xiv, 197 leaves : / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Hypothesises that the physis has an internal mechanism of repair to restore physeal function. Aims to establish a defined degree of deformity by partial growth plate excision, then to examine different methods of reversal of such deformity to observe the process of growth plate repair. A secondary aim was to define the percentage of physis that could be resected yet still enable reversal of deformity. / Thesis (Ph.D.)--University of Adelaide, Dept. of Pathology, 1989
16

Development of a small animal model to study tissue engineering strategies for growth plate defects

Coleman, Rhima M. 10 July 2007 (has links)
The growth plate is a cartilaginous tissue responsible for the longitudinal growth of long bones. It is a complex tissue composed of chondrocytes whose maturation and proliferation is tightly regulated by a biochemical feedback loop. Injury to this tissue can result in a limb length discrepancy or angular deformity that may lead to life long disability. Given the recent rise in the number of growth plate injuries and the variability in success of current therapies, there is a significant need for a greater understanding of growth plate injury pathology and the development of improved treatment strategies. Cartilage tissue engineering strategies offer an attractive alternative to regenerating growth plate tissue and restoring growth function. Bone marrow-derived stem cells (BMSCs) have been shown to be able to undergo chondrogenic differentiation and in vitro and in vivo and therefore offers an appealing and abundant cell resource for developing tissue engineering strategies for the treatment of growth plate defects. However, the dependence of chondrogenic differentiation and matrix accumulation on monolayer expansion protocols and three-dimensional (3D) culture environment has received little attention. Prior to developing treatment strategies for growth plate injury repair, it is essential to first understand the interconnection between alterations in growth plate morphology and subsequent limb deformities. To that end, we have established a surgical defect model of growth plate injury in Sprague Dawley rats and developed a novel technique to quantitatively monitor growth plate morphology in health and disease using microcomputed tomography (micro-CT) imaging. In an effort to develop a tissue engineering treatment strategy for growth plate injury, the role of monolayer expansion, 3D scaffold, and growth factor regimen in the chondrogenic differentiation of rat BMSCs was also examined. This research study has demonstrated the utility of micro-CT as a non-invasive imaging modality for assessing growth plate injury and repair. This work has also provided an improved understanding of the interrelationship of monolayer expansion, 3D culture environment, and growth factor regimen in BMSC chondrogenic differentiation. Finally, this work suggests that an injectable in situ gelling hydrogel is a feasible method for decreasing limb length discrepancies, however, neither implantation of agarose alone into the defect nor the inclusion of BMSCs fully corrects growth disruption.
17

The role of estrogen in growth plate chondrogenesis /

Nilsson, Ola, January 2002 (has links)
Diss. (sammanfattning) Stockholm : Karol. Inst., 2002. / Härtill 6 uppsatser.
18

The role of apoptosis in growth plate cartilage during normal and abnormal growth /

Chrysis, Dionisios, January 2004 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2004. / Härtill 4 uppsatser.
19

Molecular analysis of the epiphyseal growth plate in rachitic broilers evidence for the etilogy of the condition /

Rutt, Julianne Eileen, January 2008 (has links)
Thesis (M.S.)--Ohio State University, 2008. / Title from first page of PDF file. Includes bibliographical references (p. 75-100).
20

Bone Growth: The Wake of the Growth Plate

Magrini, Samantha H. 20 July 2021 (has links)
No description available.

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