Induction of Protective Immunity against Malaria by Priming-Boosting Immunization with Recombinant Cold-Adapted Influenza and Modified Vaccinia Ankara Viruses Expressing a CD8 + -T-Cell Epitope Derived from the Circumsporozoite Protein of Plasmodium yoelii

Author:

González-Aseguinolaza Gloria1,Nakaya Yurie2,Molano Alberto1,Dy Edward1,Esteban Mariano3,Rodríguez Dolores3,Rodríguez Juan Ramón3,Palese Peter2,García-Sastre Adolfo2,Nussenzweig Ruth S.1

Affiliation:

1. Department of Medical & Molecular Parasitology, NYU School of Medicine

2. Department of Microbiology, Mount Sinai School of Medicine, New York, New York

3. Department of Molecular and Cellular Biology, Centro Nacional de Biotecnología, CSIC, Madrid, Spain

Abstract

ABSTRACT We immunized mice with an attenuated (cold-adapted) influenza virus followed by an attenuated vaccinia virus (modified vaccinia virus Ankara), both expressing a CD8 + -T-cell epitope derived from malaria sporozoites. This vaccination regimen elicited high levels of protection against malaria. This is the first time that the vaccine efficacy of a recombinant cold-adapted influenza virus vector expressing a foreign antigen has been evaluated.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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