Expression and Prognostic Significance of MCM-3 and MCM-7 in Salivary Adenoid Cystic Carcinoma.
PubMed(2018)
Abstract
This study sought to investigate minichromosome maintenance protein 3 (MCM3) and minichromosome maintenance protein 7 (MCM7) expression in salivary adenoid cystic carcinoma (SACC) samples, and to evaluate the relationship between clinicopathological characteristics and prognosis. The expressions of MCM3 and MCM7 were evaluated using immunohistochemistry of tissue sections from SACC patients, and statistical analyses were performed to evaluate the associations between MCM expression and clinicopathological variables and to analyze the disease-free survival (DFS) and prognostic factors. The positive expression rates of MCM3 and MCM7 in SACC were 98.8% and 96.6%, respectively. MCM3 expression correlated with T-stage and nerve invasion. MCM7 expression correlated with T-stage, adjacent tissue invasion, nerve invasion, and prognosis, and was negatively associated with DFS. However, there was no significant correlation between MCM3 expression and DFS. A kappa analysis demonstrated that MCM3 was closely associated with MCM7. MCM7 may be a favorable prognosis indicator in SACC.
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Key words
Salivary adenoid cystic carcinoma,MCM3,MCM7,immunochemistry,prognosis
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