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Evaluation of the acetylation status of H3 histone and its contribution to genomic instability in oral leukoplakia and Proliferative Verrucous Leukoplakia

Grant number: 18/04954-2
Support type:Scholarships in Brazil - Master
Effective date (Start): June 01, 2018
Effective date (End): February 29, 2020
Field of knowledge:Health Sciences - Dentistry
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Andreia Bufalino
Grantee:Camila de Oliveira Barbeiro
Home Institution: Faculdade de Odontologia (FOAr). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil

Abstract

Squamous cell carcinoma (SCC) accounts for more than 95% of all malignancies involving the oral cavity, and often these tumors are preceded by clinical alterations that have a clear potential for malignant transformation, which are denominated oral potentially malignant disorders (OPMDs). Among these, Oral Leukoplakia (OL) is the most important and has a malignant transformation rate ranging from 0.2% to 17.5%. Another important OPMD is Proliferative Verrucous Leukoplakia (PVL), which presents persistent and progressive malignant behavior, with a malignant transformation rate greater than 70%. Differently from OL, risk factors such as tobacco, alcohol and areca do not seem to be associated with the development of PVL. Additionally, a PVL presents an inadequate response to all treatment modalities, undergoes rapid spread for multiple oral sites and often presents recurrence. Recent studies and preliminary data obtained by our group suggest that the inflammatory infiltrate associated with the lesions of patients with PVL is related to the etiology and/or distinct clinical behavior from the conventional OL. Thus, this study intends to evaluate the acetylation status of H3 histone and its contribution to genomic instability. In addition, the participation of polymorphonuclear cells in the regulation of this epigenetic process will be evaluated. (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)
CAMILA DE OLIVEIRA BARBEIRO; ROBERTO HENRIQUE BARBEIRO; HEITOR ALBERGONI DA SILVEIRA; LUCIANA YAMAMOTO DE ALMEIDA; JORGE ESQUICHE LEÓN; ANDREIA BUFALINO. Maxillary dentigerous cyst showing squamous odontogenic tumor-like proliferation: surgical approach and literature review. Autopsy and Case Reports, v. 11, p. -, 2021.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
. Evaluation of the acetylation status of H3 histone and its contribution to genomic instability in oral leukoplakia and proliferative verrucous leukoplakia. 2020. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Odontologia. Araraquara Araraquara.

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