Scholarship 16/11397-7 - Imunoterapia, Biotecnologia - BV FAPESP
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Targeting antigens to dendritic cells as an immunotherapeutic strategy to control HPV-induced tumors

Grant number: 16/11397-7
Support Opportunities:Scholarships in Brazil - Master
Start date until: September 01, 2016
End date until: June 30, 2018
Field of knowledge:Biological Sciences - Microbiology - Applied Microbiology
Principal Investigator:Luis Carlos de Souza Ferreira
Grantee:Mariângela de Oliveira Silva
Host Institution: Instituto de Ciências Biomédicas (ICB). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

Cervical cancer is considered a major public health problem and is one of the leading causes of cancer death in women. Virtually, all cases of cervical cancer, as well as growing evidences of anal tumors and head and neck cancer, are associated with human papillomavirus (HPV) infections, mainly by the HPV-16, the genotype most commonly related to tumors. The viral proteins E6 and E7 are responsible for cellular malignization and are present in all transformed cells and, therefore, represent ideal targets for the development of antigen-specific therapeutic approaches. In this project, we will explore an immunotherapeutic strategy against these tumors using the HPV-16 E7 oncoprotein fused to the anti-DEC205 antibody. The antibodies will be produced from the culture supernatants of transfected HEK293T eukaryotic cells. The anti-DEC205 hybrid antibodies will be tested by parenteral or mucosal administration combined with the adjuvant Poly I: C. The therapeutic properties of the formulation will be evaluated in mice transplanted with TC-1 cells that express the HPV-16 E6 and E7 oncoproteins, following subcutaneous cell injection or mucosal tumor cell graft. The induction of E7-specific immune responses mediated primarily by T CD8+ lymphocytes will be evaluated. The results obtained during this project will contribute to the development of a novel immunotherapeutic strategy to control tumors associated with HPV-16. (AU)

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Scientific publications
(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)
SILVA, JAMILE R.; SALES, NATIELY S.; SILVA, MARIANGELA O.; APS, LUANA R. M. M.; MORENO, ANA C. R.; RODRIGUES, ELAINE G.; FERREIRA, LUIS C. S.; DINIZ, MARIANA O.. Expression of a soluble IL-10 receptor enhances the therapeutic effects of a papillomavirus-associated antitumor vaccine in a murine model. CANCER IMMUNOLOGY IMMUNOTHERAPY, v. 68, n. 5, p. 753-763, . (16/00708-1, 16/14344-1, 15/16505-0, 16/11397-7, 13/15360-2, 11/51218-0, 14/11073-1)
RAMOS DA SILVA, JAMILE; RAMOS MORENO, ANA CAROLINA; SILVA SALES, NATIELY; DE OLIVEIRA SILVA, MARIANGELA; APS, LUANA R. M. M.; PORCHIA, BRUNA F. M. M.; BITENCOURT RODRIGUES, KARINE; CESTARI MORENO, NATALIA; VENCESLAU-CARVALHO, ALEXIA ADRIANNE; MENCK, CARLOS FREDERICO M.; et al. A therapeutic DNA vaccine and gemcitabine act synergistically to eradicate HPV-associated tumors in a preclinical model. ONCOIMMUNOLOGY, v. 10, n. 1, . (11/51218-0, 16/14344-1, 16/00708-1, 15/16505-0, 18/26555-2, 16/11397-7, 17/21358-1, 16/11594-7, 14/11073-1)

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