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Cancer Stem-Like Cells Enriched in Panc-1 Spheres Possess Increased Migration Ability and Resistance to Gemcitabine

1
Pancreatic Center, Department of General Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430022, China
2
Hubei Key Laboratory of Biological Targeted Therapy, Wuhan, Hubei Province, 430022, China
*
Authors to whom correspondence should be addressed.
These authors contribute equally to this work.
Int. J. Mol. Sci. 2011, 12(3), 1595-1604; https://doi.org/10.3390/ijms12031595
Received: 14 January 2011 / Revised: 1 February 2011 / Accepted: 17 February 2011 / Published: 1 March 2011
(This article belongs to the Section Biochemistry)
Pancreatic cancer is one of the most lethal malignancies with poor prognosis. Previously, we found that a subpopulation of cancer stem cells (CSCs) in the Panc-1 pancreatic cancer cell line could propagate to form spheres. Here we characterized the malignant phenotypes of the pancreatic cancer stem CD44+/CD24+ cells, which were enriched under sphere forming conditions as analyzed by flow cytometry. These cells demonstrated increased resistance to gemcitabine and increased migration ability. Moreover, these cells exhibited epithelial to mesenchymal transition characterized by a decreased level of the epithelial marker E-cadherin and an increased level of the mesenchymal marker vimentin. Notably, abnormal expression of Bmi-1, ABCG2, Cyclin D1 and p16 were found in Panc-1 CSCs. Our results suggest that targeted inhibition of CSCs represents a novel therapeutic approach to overcome chemoresistance and metastasis of pancreatic cancer. View Full-Text
Keywords: pancreatic cancer; Bmi-1; chemoresistance; invasion; tumorigenesis pancreatic cancer; Bmi-1; chemoresistance; invasion; tumorigenesis
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MDPI and ACS Style

Yin, T.; Wei, H.; Gou, S.; Shi, P.; Yang, Z.; Zhao, G.; Wang, C. Cancer Stem-Like Cells Enriched in Panc-1 Spheres Possess Increased Migration Ability and Resistance to Gemcitabine. Int. J. Mol. Sci. 2011, 12, 1595-1604. https://doi.org/10.3390/ijms12031595

AMA Style

Yin T, Wei H, Gou S, Shi P, Yang Z, Zhao G, Wang C. Cancer Stem-Like Cells Enriched in Panc-1 Spheres Possess Increased Migration Ability and Resistance to Gemcitabine. International Journal of Molecular Sciences. 2011; 12(3):1595-1604. https://doi.org/10.3390/ijms12031595

Chicago/Turabian Style

Yin, Tao; Wei, Hongji; Gou, Shanmiao; Shi, Pengfei; Yang, Zhiyong; Zhao, Gang; Wang, Chunyou. 2011. "Cancer Stem-Like Cells Enriched in Panc-1 Spheres Possess Increased Migration Ability and Resistance to Gemcitabine" Int. J. Mol. Sci. 12, no. 3: 1595-1604. https://doi.org/10.3390/ijms12031595

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