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Evaluation of the activation of inflammasome in the context of HPV and cervical cancer associated with HPV

Grant number: 18/04361-1
Support Opportunities:Scholarships in Brazil - Master
Start date: July 01, 2018
End date: August 31, 2020
Field of knowledge:Biological Sciences - Immunology - Cellular Immunology
Agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Alessandra Pontillo
Grantee:Fernanda Pereira Fernandes
Host Institution: Faculdade de Medicina (FM). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The contribution of inflammasoma in human papillomavirus (HPV) infection and HPV-associated cervical carcinoma (HPV-CC) has not yet been fully elucidated. On the one hand, the production of inflammatory cytokines (IL-1², IL-18) in keratinocytes seems to be directly proportional to the progression of CC suggesting that HPV would activate the inflammassoma. However, there is also evidence that the HPV E6 oncoprotein would inhibit IL-1² production, contributing to the characteristic immunosuppression of the virus infection. Our group demonstrated that genetic variants leading to the gain of inflammatory function contribute to protection against the establishment of HPV and HPV-CC infection, suggesting that the activation of inflammassoma could be beneficial in this context. For this reason, we propose in this project to evaluate (a) the degree of activation of peripheral blood inflammation in women with HPV-CC or precursor lesions associated with HPV infection (systemic effect); (b) activation of the inflammassoma in co-culture assays with CC (HPV + or HPV-) and leukocytes (local effect). (AU)

News published in Agência FAPESP Newsletter about the scholarship:
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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)
CORDEIRO LEAL, VINICIUS NUNES; REIS, EDIONE CRISTINA; FERNANDES, FERNANDA PEREIRA; DA SILVA SOARES, JAINE LIMA; COSTA OLIVEIRA, IOHANA GABRIELY; DE LIMA, DHEMERSON SOUZA; LARA, AMANDA NAZARETH; LOPES, MARTA HELOISA; PONTILLO, ALESSANDRA. Common pathogen-associated molecular patterns induce the hyper-activation of NLRP3 inflammasome in circulating B lymphocytes of HIV-infected individuals. AIDS, v. 35, n. 6, p. 899-910, . (15/23395-6, 18/04361-1, 15/50650-7, 15/17373-0, 17/10824-1)
FERNANDES, FERNANDA PEREIRA; CAMBUI, RAYLANE ADRIELLE GONCALVES; SOARES, JAINE LIMA DA SILVA; REIS, EDIONE CRISTINA DOS; LEAL, VINICIUS NUNES CORDEIRO; PONTILLO, ALESSANDRA. Cervical carcinoma induces NLRP3 inflammasome activation and IL-1ss release in human peripheral blood monocytes affecting patients' overall survival. Clinical & Translational Oncology, v. 25, n. 11, p. 10-pg., . (17/10824-1, 19/06363-4, 15/50650-7, 18/04361-1, 15/17373-0)
DOS REIS, EDIONE CRISTINA; CORDEIRO LEAL, VINICIUS NUNES; DA SILVA SOARES, JAINE LIMA; FERNANDES, FERNANDA PEREIRA; DE LIMA, DHEMERSON SOUZA; DE ALENCAR, BRUNA CUNHA; PONTILLO, ALESSANDRA. Flagellin/NLRC4 Pathway Rescues NLRP3-Inflammasome Defect in Dendritic Cells From HIV-Infected Patients: Perspective for New Adjuvant in Immunocompromised Individuals. FRONTIERS IN IMMUNOLOGY, v. 10, . (15/23395-6, 18/04361-1, 15/17373-0, 14/23225-0, 17/10824-1)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FERNANDES, Fernanda Pereira. Evaluation of Inflammasome activation in the context of HPV infection and HPV-associated cervical cancer. 2020. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Medicina (FM/SBD) São Paulo.