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MECHANISM OF ACTION OF ANTIBODY TO CAPSULAR POLYSACCHARIDE IN CRYPTOCOCCUS NEOFORMANS INFECTION
Marta Feldmesser1 and Arturo Casadevall1,2
1 Departments of Medicine (Division of Infectious Diseases) and Microbiology and Immunology2, Albert Einstein College of Medicine, Golding Building Room 701, 1300 Morris Park Ave., Bronx, NY 10461
Received 1/5/98 Accepted 1/9/98
TABLE OF CONTENTS
- 1. Abstract
- 2. Introduction
- 3. Overview of pathogenesis and the host immune response
- 4. The polysaccharide capsule
- 4.1. Immunomodulatory effects
4.2. Antigenic characteristics
- 5. The Ab response to C. neoformans
- 5.1. Native Ab production
5.2. Ab response to infection and vaccination
- 6. Polyclonal Ab
- 7. mAbs to the capsule of C. neoformans
- 7.1. Description
7.2. The role of isotype
- 8. Potential mechanisms of Ab action
- 8.1. Opsonization/phagocytosis
8.2. Enhancement of macrophage effector functions (killing)
8.3. Granulocytes as effector cells
8.4. Altered antigen presentation
8.5. Antibody-dependent cell-mediated cytotoxicity
8.6. Removal of GXM
8.7. Altered pathology
8.8. Inconsistencies
8.9. New directions: Altered cytokine expression/cellular recruitment
- 9. Perspective
- 10. Acknowledgments
- 11. References
- 12. Entire manuscript
Key words: Cryptococcus neoformans, Antibody, Immunology, Monoclonal antibody, Polysaccharide, Capsule
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