CD8+ cytolytic T cell clones derived against the Plasmodium yoelii circumsporozoite protein protect against malaria

M. M. Rodrigues, A. S. Cordey, G. Arreaza, G. Corradin, P. Romero, J. L. Maryanski, R. S. Nussenzweig, Fidel P Zavala

Research output: Contribution to journalArticle

Abstract

Immunization of BALB/c mice with radiation-attenuated Plasmodium yoelii sporozoites induces cytotoxic T lymphocytes (CTL) specific for an epitope located within the amino acid sequence 277-288 of the P. yoelii circumsporozoite (CS) protein. Several CD8+ CTL clones were derived from the spleen cells of sporozoite-immunized mice, all displaying an apparently identical epitope specificity. All the clones induced high levels of cytolysis in vitro upon exposure to peptide incubated MHC-compatible target cells. The adoptive transfer of two of these clones conferred complete protection against sporozoite challenge to naive mice. This protection is species and stage specific. Using P. yoelii specific ribosomal RNA probes to monitor the in vivo effects of the CTL clones, we found that their target was the intrahepatocytic stage of the parasite. The protective clones completely inhibited the development of the liver stages of P. yoelii. Some CTL clones were only partially inhibitory in vivo, while others failed completely to alter liver stage development and to confer any detectable degree of protection. The elucidation of the effector mechanism of this CTL mediated protection against rodent malaria should facilitate the design of an effective malaria vaccine. From a broader perspective this model may provide further insight into the mechanism(s) of CTL mediated killing of intracellular non-viral pathogens in general.

Original languageEnglish (US)
Pages (from-to)579-585
Number of pages7
JournalInternational Immunology
Volume3
Issue number6
StatePublished - 1991
Externally publishedYes

Fingerprint

Plasmodium yoelii
Cytotoxic T-Lymphocytes
Malaria
Clone Cells
T-Lymphocytes
Sporozoites
Malaria Vaccines
RNA Probes
T-Lymphocyte Epitopes
Ribosomal RNA
Adoptive Transfer
Liver
Protozoan circumsporozoite protein
Epitopes
Amino Acid Sequence
Rodentia
Immunization
Parasites
Spleen
Radiation

Keywords

  • CS protein
  • cytotoxic epitopes
  • malaria immunity

ASJC Scopus subject areas

  • Immunology

Cite this

Rodrigues, M. M., Cordey, A. S., Arreaza, G., Corradin, G., Romero, P., Maryanski, J. L., ... Zavala, F. P. (1991). CD8+ cytolytic T cell clones derived against the Plasmodium yoelii circumsporozoite protein protect against malaria. International Immunology, 3(6), 579-585.

CD8+ cytolytic T cell clones derived against the Plasmodium yoelii circumsporozoite protein protect against malaria. / Rodrigues, M. M.; Cordey, A. S.; Arreaza, G.; Corradin, G.; Romero, P.; Maryanski, J. L.; Nussenzweig, R. S.; Zavala, Fidel P.

In: International Immunology, Vol. 3, No. 6, 1991, p. 579-585.

Research output: Contribution to journalArticle

Rodrigues, MM, Cordey, AS, Arreaza, G, Corradin, G, Romero, P, Maryanski, JL, Nussenzweig, RS & Zavala, FP 1991, 'CD8+ cytolytic T cell clones derived against the Plasmodium yoelii circumsporozoite protein protect against malaria', International Immunology, vol. 3, no. 6, pp. 579-585.
Rodrigues MM, Cordey AS, Arreaza G, Corradin G, Romero P, Maryanski JL et al. CD8+ cytolytic T cell clones derived against the Plasmodium yoelii circumsporozoite protein protect against malaria. International Immunology. 1991;3(6):579-585.
Rodrigues, M. M. ; Cordey, A. S. ; Arreaza, G. ; Corradin, G. ; Romero, P. ; Maryanski, J. L. ; Nussenzweig, R. S. ; Zavala, Fidel P. / CD8+ cytolytic T cell clones derived against the Plasmodium yoelii circumsporozoite protein protect against malaria. In: International Immunology. 1991 ; Vol. 3, No. 6. pp. 579-585.
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