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Generation and analysis of the immunogenicity of recombinant proteins based on the different allelic forms of the circumsporozoite antigen of Plasmodium vivax aiming at the development of a universal vaccine against malaria

Grant number: 12/13032-5
Support type:Research Projects - Thematic Grants
Duration: February 01, 2014 - January 31, 2020
Field of knowledge:Biological Sciences - Immunology
Principal Investigator:Irene da Silva Soares
Grantee:Irene da Silva Soares
Home Institution: Faculdade de Ciências Farmacêuticas (FCF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Co-Principal Investigators:Irene da Silva Soares
Assoc. researchers:Daniel Youssef Bargieri ; Eduardo Lani Volpe da Silveira ; Hildegund C.J. Ertl ; Karina Ramalho Bortoluci ; Luis Carlos de Souza Ferreira ; RUTH NUSSENZWEIG ; Victor Nussenzweig
Associated scholarship(s):18/17364-9 - Evaluation of the immunogenicity of novel multi-stage recombinant proteins candidates for the development of a vaccine to Plasmodium vivax, BP.PD
17/04079-1 - Expression and purification of allelic variants of Plasmodium vivax Apical Membrane Antigen 1 (AMA-1) aiming to immunological studies, BP.IC
14/18102-7 - Preclinical tests of recombinant adenovirus-based protein and vaccine formulations expressing the Plasmodium vivax circumsporozoite protein, BP.PD


Plasmodium vivax is the second most prevalent species causing malaria in the world. Recent data estimated 132-391 million cases annually. The relative inefficiency of the measures of control currently used demands the development of new strategies for prevention such as vaccines, new drugs and insecticides. In last the 15 years, studies aimed at the development of a recombinant vaccine against the human malaria caused by the deadly parasite Plasmodium falciparum were based on the circumsporozoite (CS) antigen. In a recent publication, phase III trials in African children reported 50% efficacy. Based on the studies with P. falciparum, our previous FAPESP thematic project aimed at the generation of recombinant proteins and adenoviruses based on the primary sequences representing the different allelic variants of P. vivax CS protein. These recombinant proteins and adenovirus were used successfully in protocols of heterologous prime-boost (adenovirus/recombinant protein) vaccination in experimental mouse model. These recombinants and the respective protocol of vaccination were object of a patent application recently submitted to the United States Patent and Trademark Office ("Plasmodium vivax vaccine compositions 27522-0201WO1"). In the present project, it will be our goal to continue our studies aimed at the development of a universal vaccine against the P. vivax. We will produce new recombinant proteins and use for production of the antigens in cGMP conditions. These recombinant antigens/adenoviruses will be analyzed in its toxicity and immunogenicity for its subsequent use in phase I clinical trials. (AU)

Articles published in Agência FAPESP about the research grant
Malaria vaccine yields promising results 
Therapeutic vaccine against Chagas disease is successfully tested in mice 

Scientific publications (10)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
STAN, RAZVAN C.; FRANCOSO, KATIA S.; ALVES, RUBENS P. S.; FERREIRA, LUIS CARLOS S.; SOARES, IRENE S.; DE CAMARGO, MARISTELA M. Febrile temperatures increase in vitro antibody affinity for malarial and dengue antigens. PLoS Neglected Tropical Diseases, v. 13, n. 4 APR 2019. Web of Science Citations: 0.
SALGADO-MEJIAS, PERLA; ALVES, FLAVIO L.; FRANCOSO, KATIA S.; RISKE, KARIN A.; SILVA, EMERSON R.; MIRANDA, ANTONIO; SOARES, IRENE S. Structure of Rhoptry Neck Protein 2 is essential for the interaction in vitro with Apical Membrane Antigen 1 in Plasmodium vivax. Malaria Journal, v. 18, JAN 25 2019. Web of Science Citations: 0.
SILVEIRA, EDUARDO L. V.; DOMINGUEZ, MARIANA R.; SOARES, IRENE S. To B or Not to B: Understanding B Cell Responses in the Development of Malaria Infection. FRONTIERS IN IMMUNOLOGY, v. 9, DEC 14 2018. Web of Science Citations: 0.
DE CAMARGO, TARSILA MENDES; DE FREITAS, ELISANGELA OLIVEIRA; GIMENEZ, ALBA MARINA; LIMA, LUCIANA CHAGAS; CARAMICO, KARINA DE ALMEIDA; FRANCOSO, KATIA SANCHES; BRUNA-ROMERO, OSCAR; ANDOLINA, CHIARA; NOSTEN, FRANCOIS; RENIA, LAURENT; ERTL, HILDEGUND C. J.; NUSSENZWEIG, RUTH S.; NUSSENZWEIG, VICTOR; RODRIGUES, MAURICIO M.; REYES-SANDOVAL, ARTURO; SOARES, IRENE S. Prime-boost vaccination with recombinant protein and adenovirus-vector expressing Plasmodium vivax circumsporozoite protein (CSP) partially protects mice against Pb/Pv sporozoite challenge. SCIENTIFIC REPORTS, v. 8, JAN 18 2018. Web of Science Citations: 3.
GIMENEZ, ALBA MARINA; LIMA, LUCIANA CHAGAS; FRANCOSO, KATIA SANCHES; DENAPOLI, PRISCILA M. A.; PANATIERI, RAQUEL; BARGIERI, DANIEL Y.; THIBERGE, JEAN-MICHEL; ANDOLINA, CHIARA; NOSTEN, FRANCOIS; RENIA, LAURENT; NUSSENZWEIG, RUTH S.; NUSSENZWEIG, VICTOR; AMINO, ROGERIO; RODRIGUES, MAURICIO M.; SOARES, IRENE S. Vaccine Containing the Three Allelic Variants of the Plasmodium vivax Circumsporozoite Antigen Induces Protection in Mice after Challenge with a Transgenic Rodent Malaria Parasite. FRONTIERS IN IMMUNOLOGY, v. 8, OCT 11 2017. Web of Science Citations: 2.
ROCHA, MARIANA VILELA; FRANCOSO, KATIA SANCHES; LIMA, LUCIANA CHAGAS; CAMARGO, TARSILA MENDES; MACHADO, RICARDO L. D.; COSTA, FABIO T. M.; RENIA, LAURENT; NOSTEN, FRANCOIS; RUSSELL, BRUCE; RODRIGUES, MAURICIO M.; SOARES, IRENE S. Generation, characterization and immunogenicity of a novel chimeric recombinant protein based on Plasmodium vivax AMA-1 and MSP1(19). Vaccine, v. 35, n. 18, p. 2463-2472, APR 25 2017. Web of Science Citations: 3.
ERSCHING, JONATAN; BASSO, ALEXANDRE SALGADO; GARCIA KALICH, VERA LUCIA; BORTOLUCI, KARINA RAMALHO; RODRIGUES, MAURICIO M. A Human Trypanosome Suppresses CD8(+) T Cell Priming by Dendritic Cells through the Induction of Immune Regulatory CD4(+) Foxp3(+) T Cells. PLOS PATHOGENS, v. 12, n. 6 JUN 2016. Web of Science Citations: 3.
MORROT, ALEXANDRE; RODRIGUES, MAURICIO M. Tissue signatures influence the activation of intrahepatic CD8(+) T cells against malaria sporozoites. FRONTIERS IN MICROBIOLOGY, v. 5, AUG 22 2014. Web of Science Citations: 7.
VICENTIN, ELAINE C.; FRANCOSO, KATIA S.; ROCHA, MARIANA V.; IOURTOV, DMITRI; DOS SANTOS, FERNANDA L.; KUBRUSLY, FLAVIA S.; SAKAUCHI, MARIA A.; RAW, ISAIAS; NOSTEN, FRANCOIS; RENIA, LAURENT; RODRIGUES, MAURICIO M.; RUSSELL, BRUCE; SOARES, IRENE S. Invasion-Inhibitory Antibodies Elicited by Immunization with Plasmodium vivax Apical Membrane Antigen-1 Expressed in Pichia pastoris Yeast. Infection and Immunity, v. 82, n. 3, p. 1296-1307, MAR 2014. Web of Science Citations: 32.
TEIXEIRA, LAIS H.; TARARAM, CIBELE A.; LASARO, MARCIO O.; CAMACHO, ARIANE G. A.; ERSCHING, JONATAN; LEAL, MONICA T.; HERRERA, SOCRATES; BRUNA-ROMERO, OSCAR; SOARES, IRENE S.; NUSSENZWEIG, RUTH S.; ERTL, HILDEGUND C. J.; NUSSENZWEIG, VICTOR; RODRIGUES, MAURICIO M. Immunogenicity of a Prime-Boost Vaccine Containing the Circumsporozoite Proteins of Plasmodium vivax in Rodents. Infection and Immunity, v. 82, n. 2, p. 793-807, FEB 2014. Web of Science Citations: 13.

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