Abstract
ATPase family, AAA domain containing 2 (ATAD2) has been found overexpressed in various cancer types and correlated with malignant status and poor prognosis. However, little is known about the clinical significance of ATAD2 in gastric cancer patients. The aim of this study was to explore the clinical and prognostic significance of ATAD2 in gastric cancer. The mRNA and protein levels expression of ATAD2 were detected in clinical tissue samples by qRT-PCR and immunohistochemistry, respectively. We examined the ATAD2 protein expression by immunohistochemistry. Furthermore, we analyzed the association between ATAD2 expression and clinicopathological features including prognosis in 166 gastric cancer samples. In our results, ATAD2 mRNA and protein were highly expressed in gastric cancer samples. ATAD2 overexpression was correlated with advanced clinical stage, tumor depth, lymph node metastasis, and distant metastasis. According to the survival analysis, ATAD2 protein overexpression was a poor independent prognostic factor for gastric cancer patients. In summary, ATAD2 could serve as a prognostic biomarker for gastric cancer patients.
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