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Erschienen in: Oral Cancer 1-2/2018

22.01.2018 | Original Article

p53 and p16 expression in oral cavity squamous cell and basaloid squamous cell carcinoma

verfasst von: Allisson Filipe Lopes Martins, Carlos Henrique Pereira, Marília Oliveira Morais, Paulo Otávio Carmo Souza, Lucas Borges Fleury Fernandes, Aline Carvalho Batista, Elismauro Francisco Mendonça

Erschienen in: Oral Cancer | Ausgabe 1-2/2018

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Abstract

Purpose

The true aggressive behavior of oral cavity BSCC compared to SCC has been debated, and the study of disturbances in cell cycle proteins may help understand the biological behavior in both variants. The aim of this study was to investigate the p53 and p16 status in 32 SCC and 16 BSCC of oral cavity.

Methods

Immunohistochemistry was used to assess these proteins’ status. The association between p53 and p16 with clinico-pathological features and prognostic value were evaluated.

Results

A high prevalence of p53 disruption was observed in both variants (84.4% of 32—SCC and 81.2% of 16—BSCC; p = 0.78). The BSCC showed a higher prevalence of high p16 expression (86.7% of 15) when compared to SCC (61.3% of 31); however, this difference did not reach statistical significance (p = 0.08). In the SCC variant, cases with high p16 expression showed a lower overall survival. Protein p53 showed association with tobacco use, but with no other clinico-pathological features.

Conclusions

Our results suggest that p53 and p16 cell cycle disruptions are common findings in oral cavity SCC, as well as in BSCC. A higher prevalence of p16 overexpression in oral BSCC cases may be related to carcinogenesis process.
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Metadaten
Titel
p53 and p16 expression in oral cavity squamous cell and basaloid squamous cell carcinoma
verfasst von
Allisson Filipe Lopes Martins
Carlos Henrique Pereira
Marília Oliveira Morais
Paulo Otávio Carmo Souza
Lucas Borges Fleury Fernandes
Aline Carvalho Batista
Elismauro Francisco Mendonça
Publikationsdatum
22.01.2018
Verlag
Springer International Publishing
Erschienen in
Oral Cancer / Ausgabe 1-2/2018
Elektronische ISSN: 2509-8837
DOI
https://doi.org/10.1007/s41548-018-0004-1

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