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Frontiers of Medicine

Front Med    2012, Vol. 6 Issue (3) : 275-279     DOI: 10.1007/s11684-012-0216-4
Dual faces of SH2-containing protein-tyrosine phosphatase Shp2/PTPN11 in tumorigenesis
Shuangwei Li1, Diane DiFang Hsu1, Hongyang Wang2, Gen-Sheng Feng1()
1. Department of Pathology, and Division of Biological Sciences, University of California San Diego, La Jolla, CA 92093-0864, USA; 2. Laboratory of Signal Transduction, Eastern Hepatobiliary Surgery Institute/Hospital, 225 Changhai Road, Shanghai 200438; State Key Laboratory of Oncogenes and Related Genes, Cancer Institute of Shanghai Jiao Tong University, Shanghai 200032, China
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PTPN11, which encodes tyrosine phosphatase Shp2, is a critical gene mediating cellular responses to hormones and cytokines. Against original prediction as tumor suppressor for tyrosine phosphatases, PTPN11 was first identified as a proto-oncogene because activating mutations of this gene are associated with leukemogenesis. However, most recent experimental data suggest PTPN11/Shp2 acting as a tumor suppressor in hepatocarcinogenesis. This review focuses on the tumor-promoting or suppressing roles of the gene PTPN11/Shp2 in different cell types.

Keywords PTPN11/Shp2      leukemia      hepatocellular carcinoma      mutation     
Corresponding Authors: Feng Gen-Sheng,   
Issue Date: 05 September 2012
 Cite this article:   
Shuangwei Li,Diane DiFang Hsu,Hongyang Wang, et al. Dual faces of SH2-containing protein-tyrosine phosphatase Shp2/PTPN11 in tumorigenesis[J]. Front Med, 2012, 6(3): 275-279.
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Shuangwei Li
Diane DiFang Hsu
Hongyang Wang
Gen-Sheng Feng
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