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Analysis of CCR5-dependent Regulatory T cell migration: correlation with SCC development

Grant number: 12/15331-0
Support type:Regular Research Grants
Duration: November 01, 2012 - October 31, 2014
Field of knowledge:Biological Sciences - Immunology - Cellular Immunology
Principal researcher:Ana Paula Campanelli
Grantee:Ana Paula Campanelli
Home Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil

Abstract

Squamous cell carcinoma (OSCC) is a cancerous lesion with high incidence worldwide. The immunoregulatory events leading to SCC development remain to be elucidated. Our group show that regulatory T cells (Tregs) are important to obstruct antitumor immune responses in patients with OSCC. The migration of Tregs cells to the tumor microenviromment is an important mechanism to promote the local suppression of the effector immune response. Indeed, chemokines such CCL3, CCL4, CCL17, and CCL22, produced in inflammatory tissues, lead to the accumulation of CCR4+ and CCR5+ regulatory T cells in peripheral sites. CCL4 is a ligand of CCR5 and the most potent chemoattractant of Treg cells. Because regulatory T cells are in the lesions of SCC and the migration of Treg cells is dependent on the axis chemokine-chemokine receptors, we investigated the role of CCR5 during SCC development. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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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)
DE OLIVEIRA, CARINE ERVOLINO; GASPAROTO, THAIS HELENA; PINHEIRO, CLAUDIA RAMOS; AMOR, NADIA GHINELLI; SALES NOGUEIRA, MARIA RENATA; KANENO, RAMON; GARLET, GUSTAVO POMPERMAIER; LARA, VANESSA SOARES; SILVA, JOAO SANTANA; CAVASSANI, KAREN ANGELICA; et al. CCR5-Dependent Homing of T Regulatory Cells to the Tumor Microenvironment Contributes to Skin Squamous Cell Carcinoma Development. MOLECULAR CANCER THERAPEUTICS, v. 16, n. 12, p. 2871-2880, . (12/15331-0)
GASPAROTO, THAIS HELENA; DE OLIVEIRA, CARINE ERVOLINO; DE FREITAS, LUISA THOMAZINI; PINHEIRO, CLAUDIA RAMOS; HORI, JULIANA ISSA; GARLET, GUSTAVO POMPERMAIER; CAVASSANI, KAREN ANGELICA; SCHILLACI, ROXANA; DA SILVA, JOAO SANTANA; ZAMBONI, DARIO SIMOES; et al. Inflammasome Activation Is Critical to the Protective Immune Response during Chemically Induced Squamous Cell Carcinoma. PLoS One, v. 9, n. 9, . (09/14127-7, 11/03195-1, 11/09664-3, 12/15331-0)

Please report errors in scientific publications list by writing to: cdi@fapesp.br.