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Proteomic and tissue array profiling identifies elevated hypoxia-regulated proteins in pancreatic ductal
Yazhou Cui1, Denglu Zhang, Qing Jia
1Shandong Medicinal Biotechnology Center, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Modern Medicine and Technology of Shandong Province, Jinan, China.
Abstract:
We identified a group of hypoxia-regulated proteins upregulated in microdissected pancreatic cancer nests compared with normal pancreatic ducts. Immunohistochemical study further validated that pancreatic cancers had significantly higher expression levels of glucose-regulated protein 78, macrophage migration inhibitory factor and annexin A5 than normal pancreas tissues, these protein biomarkers also demonstrated high receiver operating characteristic curves in discriminating pancreatic cancers from normal pancreas. In conclusion, our study indicated a link between pancreatic cancer and hypoxia-regulated proteins. Glucose-regulated protein 78, macrophage migration inhibitory factor and annexin A5 might be promising targets for pancreatic cancer diagnosis and therapy.
