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Human pathology v.69, 2017년, pp.38 - 45   SCI SCIE
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Gli1 is a potential cancer stem cell marker and predicts poor prognosis in ductal breast carcinoma

Ni, Weidong    (Key Laboratory of Natural Resources of the Changbai Mountain and Functional Molecules, Ministry of Education, Yanbian University, Yanji 133002, China   ); Yang, Zhaoting    (Key Laboratory of Natural Resources of the Changbai Mountain and Functional Molecules, Ministry of Education, Yanbian University, Yanji 133002, China   ); Qi, Wenbo    (Key Laboratory of Natural Resources of the Changbai Mountain and Functional Molecules, Ministry of Education, Yanbian University, Yanji 133002, China   ); Cui, Chunai    (Institute for Regenerative Medicine, Yanbian University College of Medicine, Yanji 133002, China   ); Cui, Yan    (Department of Oncology, Affiliated Hospital of Yanbian University, Yanji 133002, China   ); Xuan, Yanhua    (Key Laboratory of Natural Resources of the Changbai Mountain and Functional Molecules, Ministry of Education, Yanbian University, Yanji 133002, China  );
  • 초록  

    Summary Glioma-associated oncogene homolog 1 (Gli1) maintains the cancer stem cell–like characteristics in various tumors. However, its expression in cancer stem cells (CSC) in ductal breast carcinoma has not been well studied. We aimed to characterize Gli1 as a potential CSC marker and investigate its clinical significance in ductal breast carcinoma. Immunohistochemical staining was used to study the relationship of Gli1 to clinicopathologic features, cell cycle regulation–related genes, and CSC markers. Gli1 was expressed to a greater extent in ductal breast carcinoma than in normal breast tissues ( P = .002). Its expression was significantly correlated with tumor grade ( P = .044), pT stage ( P = .017), and molecular subtype ( P = .008). Expression was associated, not only with the expression of HIF-1α ( P P = .012). Kaplan-Meier survival analysis revealed that Gli1 was significantly associated with lower overall survival (OS; P = .02). Univariate Cox regression analysis confirmed that Gli1 was a poor prognostic factor for OS ( P = .037) and was associated with the expression of the cell cycle–related genes cyclin D1 ( P = .011), p21 ( P = .009), and pAkt-Thr308 ( P = .038). Moreover, Gli1 expression correlated significantly with the expression of two CSC markers, Sox2 ( P = .01) and LSD1 ( P = .01). Gli1 could be a stem cell marker and an indicator of poor prognosis in patients with ductal breast carcinoma. Highlights Gli1 is a prognostic determinant in breast ductal carcinoma. Gli1 was positively associated with cancer stem cell (CSC) markers. Staining for multiple markers revealed that Gli1 co-localized with CSC markers.


  • 주제어

    Cancer stem cell .   Ductal breast carcinoma .   Gli1 .   Prognosis .   Marker.  

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