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Overexpression of CDC7 in malignant salivary gland tumors correlates with tumor differentiation / Superexpressão de CDC7 em tumores malignos de glândulas salivares correlaciona-se com a diferenciação dos tumores
Jaafari-Ashkavandi, Zohreh; Ashraf, Mohammad Javad; Abbaspoorfard, Ali Asghar.
  • Jaafari-Ashkavandi, Zohreh; Shiraz University of Medical Sciences. School of Dentistry. Department of Oral and Maxillofacial Pathology. Shiraz. IR
  • Ashraf, Mohammad Javad; Shiraz University of Medical Sciences. School of Medicine. Department of Pathology. Shiraz. IR
  • Abbaspoorfard, Ali Asghar; Shiraz University of Medical Sciences. School of Dentistry. Department of Oral and Maxillofacial Pathology. Shiraz. IR
Braz. j. otorhinolaryngol. (Impr.) ; 85(2): 144-149, Mar.-Apr. 2019. tab, graf
Article in English | LILACS | ID: biblio-1001554
ABSTRACT
Abstract

Introduction:

Cell division cycle-7 protein is a serine/threonine kinase that has a basic role in cell cycle regulation and is a potential prognostic or therapeutic target in some human cancers.

Objectives:

This study investigated the expression of cell division cycle-7 protein in benign and malignant salivary gland tumors and also its correlation with clinicopathologic factors.

Methods:

Immunohistochemical expression of cell division cycle-7 was evaluated in 46 cases, including 15 adenoid cystic carcinoma, 12 mucoepidermoid carcinoma, 14 pleomorphic adenoma, and 5 normal salivary glands. Cell division cycle-7 expression rate and intensity were compared statistically.

Results:

The protein was expressed in almost all tumors. The intensity and mean of cell division cycle-7 expression were higher in malignant tumors in comparison with pleomorphic adenomas (p = 0.000). The protein expression was correlated with tumor grades (p = 0.000).

Conclusions:

The present study demonstrated cell division cycle-7 overexpression in malignant salivary gland tumors in comparison with pleomorphic adenomas, and also a correlation with tumor differentiation. Therefore, this protein might be a potential prognostic and therapeutic target for salivary gland tumors.
RESUMO
Resumo

Introdução:

A cell division cycle-7 é uma serina/treonina quinase que tem um papel básico na regulação do ciclo celular e é um potencial marcador prognóstico ou terapêutico em alguns tipos de câncer humano.

Objetivos:

Este estudo investigou a expressão de cell division cycle-7 em tumores de glândulas salivares benignos e malignos e também sua correlação com fatores clínico-patológicos.

Método:

A expressão imuno-histoquímica de cell division cycle-7 foi avaliada em 46 casos, incluindo 15 carcinomas adenoide císticos, 12 carcinomas mucoepidermoides, 14 adenomas pleomórficos e 5 glândulas salivares normais. A taxa de expressão e a intensidade da proteína cell division cycle-7 foram comparadas estatisticamente.

Resultados:

A proteína foi expressa em quase todos os tumores. A intensidade e a média da expressão de cell division cycle-7 foram maiores em tumores malignos em comparação com adenoma pleomórfico (p = 0,000). A expressão da proteína foi correlacionada com os graus do tumor (p = 0,000).

Conclusões:

O presente estudo demonstrou a superexpressão de cell division cycle-7 em tumores malignos de glândulas salivares quando comparada com o adenoma pleomórfico, além de uma correlação com a diferenciação de tumores. Portanto, essa proteína pode ser um potencial marcador prognóstico e terapêutico para tumores de glândulas salivares.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Salivary Gland Neoplasms / Protein Serine-Threonine Kinases / Carcinoma, Mucoepidermoid / Carcinoma, Adenoid Cystic / Adenoma, Pleomorphic / Cell Cycle Proteins Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Braz. j. otorhinolaryngol. (Impr.) Journal subject: Otolaryngology Year: 2019 Type: Article Affiliation country: Iran Institution/Affiliation country: Shiraz University of Medical Sciences/IR

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Full text: Available Index: LILACS (Americas) Main subject: Salivary Gland Neoplasms / Protein Serine-Threonine Kinases / Carcinoma, Mucoepidermoid / Carcinoma, Adenoid Cystic / Adenoma, Pleomorphic / Cell Cycle Proteins Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Braz. j. otorhinolaryngol. (Impr.) Journal subject: Otolaryngology Year: 2019 Type: Article Affiliation country: Iran Institution/Affiliation country: Shiraz University of Medical Sciences/IR