Induction of a cytotoxic T lymphocyte response by immunization with a malaria specific CTL peptide entrapped in biodegradable polymer microspheres

We have previously reported that biodegradable polymer microspheres (MS) are capable of eliciting strong and long-lasting antibody and T cell proliferative responses for either natural protein antigens or synthetic peptides. In this study, we investigated the possibility of inducing antigen-specific...

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Veröffentlicht in:Vaccine 1997-08, Vol.15 (12), p.1405-1412
Hauptverfasser: Men, Ying, Tamber, Harjit, Audran, Régine, Gander, Bruno, Corradin, Giampietro
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container_end_page 1412
container_issue 12
container_start_page 1405
container_title Vaccine
container_volume 15
creator Men, Ying
Tamber, Harjit
Audran, Régine
Gander, Bruno
Corradin, Giampietro
description We have previously reported that biodegradable polymer microspheres (MS) are capable of eliciting strong and long-lasting antibody and T cell proliferative responses for either natural protein antigens or synthetic peptides. In this study, we investigated the possibility of inducing antigen-specific cytotoxic T lymphocyte (CTL) responses in vivo with a short synthetic peptide from the circumsporozoite (CS) protein of Plasmodium berghei (Pb) 252–260 by using different MS formulations. We show that injection of mice with a short CTL epitope microencapsulated in MS or adsorbed on empty MS enhanced a specific CTL response comparable to that obtained with the incomplete Freund's adjuvant (IFA) formulation, indicating that MS are a potent antigen delivery system/immunostimulant for CTL response. These results might be of practical interest for MS preparation and development of subunit vaccines.
doi_str_mv 10.1016/S0264-410X(97)00047-9
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subjects Animals
Antigens, Protozoan - immunology
Applied microbiology
biodegradable microspheres
Biodegradation, Environmental
Biological and medical sciences
CTL response
Female
Fundamental and applied biological sciences. Psychology
Immunization
malaria vaccine
Malaria Vaccines - immunology
Mice
Mice, Inbred BALB C
Microbiology
Microspheres
peptide
Plasmodium berghei
Protozoan Proteins - administration & dosage
Protozoan Proteins - immunology
T-Lymphocytes, Cytotoxic - immunology
Vaccines, antisera, therapeutical immunoglobulins and monoclonal antibodies (general aspects)
title Induction of a cytotoxic T lymphocyte response by immunization with a malaria specific CTL peptide entrapped in biodegradable polymer microspheres
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