Antigenic Analysis of Equine Infectious Anemia Virus Using Monoclonal Antibodies
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Louisiana State University LSU Digital Commons LSU Historical Dissertations and Theses Graduate School 1988 Antigenic Analysis of Equine Infectious Anemia Virus Using Monoclonal Antibodies. Khalid Abdullah Hussain Louisiana State University and Agricultural & Mechanical College Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_disstheses Recommended Citation Hussain, Khalid Abdullah, "Antigenic Analysis of Equine Infectious Anemia Virus Using Monoclonal Antibodies." (1988). LSU Historical Dissertations and Theses. 4508. https://digitalcommons.lsu.edu/gradschool_disstheses/4508 This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Historical Dissertations and Theses by an authorized administrator of LSU Digital Commons. For more information, please contact [email protected]. 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Other ______________________________________ _______________________________ UMI ANTIGENIC ANALYSIS OF EQUINE INFECTIOUS ANEMIA VIRUS USING MONOCLONAL ANTIBODIES A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Interdepartmental Program in Veterinary Medical Sciences with option in Veterinary Microbiology and Parasitology by Khalid Abdullah Hussain B.V.M. & S., University of Baghdad, 1977 M.S., Washington State University, 1983 May 1988 ACKNOWLEDGMENTS I wish to express my sincere gratitude and appreciation to my major professor, Dr. Charles Issel for his suggestions, constant support and guidance with my research efforts and preparation of this dissertation. Working with him has been rewarding and afforded me great opportunities to interact and learn from other research groups around the country. Thanks is also due to the members of my graduate committee, Drs. Kenneth Schnorr, Ronald Montelaro, Thomas Klei, and Frederick Enright for their constructive advice and help. A special thanks is expressed to Drs. Kenneth Schnorr and Ronald Montelaro for their assistance and expert support with several aspects of this research. I am also thankful to W.V. Adams, J r ., Sue Hagius, Melanie West, Linda Shaffer, Nancy Satterlee and Dr. Grace Amborski for their occasional assistance and support during this investigation. The assistance given to me by Jackie McManus and Tammy Allgood is greatly appreciated. I am grateful to the Ministry of Higher Education and Scientific Research, IRAQ for it support through an academic scholarship and for the privilege to undertake advanced studies. I am indebted to the Department of Veterinary Microbiology and Parasitology of the School of Veterinary Medicine and the Department of Veterinary Science, Louisiana State University, where this research was conducted. I wish to thank Drs. Johannes Storz and Kirklyn Kerr for their encouragement and help. Funds for this investigation were provided by the National Institute of Health, the Louisiana State University School of Veterinary Medicine, and the Louisiana Agricultural Experiment Station, Louisiana State University Agricultural Center. To my family for your support, encouragement and patience. To my wife, Souad. Without your constant love, endurance, and understanding, my dream would never have come true. To my son, Saad. Thank you for bringing more joy and love into my world than I could ever have imagined. iv TABLE OF CONTENTS Chapter Page TITLE.................................................................................................................i ACKNOWLEDGMENTS...................................................................................... ii DEDICATION................................................................................................... iv TABLE OF CONTENTS. .............................................................................v LIST OF TABLES................................................................................................ix LIST OF FIGURES...........................................................................................x ABSTRACT ................................................................................................xii I. INTRODUCTION ............................................................................................... 1 A. LITERATURE REVIEW.............................................................................1 1. Equine infectious anemia virus: etiology and clinical disease ...........................................................1 2. Viral characteristics ....................................................... 3 a. Physicochemical properties ................................. 3 b. Reverse transcriptase .............................................3 c. Morphology ................................................................... 4 d. Genomic and antigenic classification . 4 e. Structural proteins and glycoproteins. 6 3. Virion surface glycoproteins ..........................................8 a. Neutralization ............................................................ 8 b. Use of monoclonal antibodies ............................ 11 c. Antigenic variation ........................................................17 4. Viral infected cell membrane antigens ...................... 20 B. RESEARCH OBJECTIVES........................................................................21 II. GENERATION OF MONOCLONAL ANTIBODIES: PRODUCTION AND CHARACTERIZATION ...................................................................................... 23 A. INTRODUCTION......................................................................................23 v Chapter Page B. MATERIALS AND METHODS.............................................................................24 1. Cell culture......................................................................................24 2. Virus propagation and purification ................................ 24 3. Glycoprotein purification .........................................................25 4. Immunization of mice ............................................................. 26 5. Preparation of cells ..................................................................27 a. Myeloma cells SP2/0-Agl4 ................................................27 b. Feeder layer ...........................................................................28 c. Splenic lymphocytes ................................................... 28 6. Hybridization ....................................................................................29 7. Maintenance and specificity testing of hybridomas .......................................................................................30 a. Care and selection of hybridomas ..............................30 b. Cloning by limiting dilution.......................................31 c. Cryopreservation and thawing of clones. 31 8. Preparation of Ascitic fluid .........................................