Sp1 and COX2 expression is positively correlated with a poor prognosis in pancreatic ductal adenocarcinoma.
Sp1 and COX2 expression is positively correlated with a poor prognosis in pancreatic ductal adenocarcinoma.
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Sp1和COX2的表达与胰腺导管腺癌的不良预后呈正相关。
DOI：
10.18632/oncotarget.8593
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发表时间：
2016-05-10
期刊：
影响因子：
--
通讯作者：
Wang L
中科院分区：
文献类型：
--
作者：
Hang J;Hu H;Huang J;Han T;Zhuo M;Zhou Y;Wang L;Wang Y;Jiao F;Wang L
Previous studies showed that celecoxib, a cyclooxygenase-2 (COX2) inhibitor, can inhibit angiogenesis and metastasis of pancreatic ductal adenocarcinoma (PDAC) via the suppression of specificity protein 1 (Sp1). In this study, we investigated the prognostic value of Sp1 and COX2 in 88 PDAC patients. Our study showed there was a positive correlation between Sp1 and COX2 expression (P=0.001) by using the Spearman's rank test. Pearson Chi-square test revealed that Sp1 and COX2 expression were positively associated with lymph node metastasis (P<0.05, both). In addition, the Kaplan–Meier analysis showed that patients with Sp1- or COX2-positive expression exhibited poorer overall survival (OS) than those with Sp1- or COX2-negative expression (P<0.05, all). Most importantly, Sp1- and COX2-negative patients had the best OS (P=0.01). In multivariate analysis, Sp1 expression (P=0.03), COX2 expression (P=0.04), and nuclear grade (P=0.009) were found to be independent predictors for OS. Moreover, we confirmed that Sp1 could upregulate the expression of COX2 in PDAC cell lines by western blot analysis, and both are of important prognostic value in PDAC.
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