Oncogenic K-Ras and Loss of Smad4 Mediate Invasion by Activating an EGFR/NF-κB Axis That Induces Expression of MMP9 and uPA in Human Pancreas Progenitor Cells

Abstract excerpt

Activating K-Ras mutations and inactivating mutations of Smad4 are two common genetic alterations that occur in the development and progression of pancreatic ductal adenocarcinomas (PDAC). To further study the individual and combinatorial roles of these two mutations in the pathogenesis of PDAC, immortalized human pancreas nestin postive cells (HPNE) were genetically modified by either expressing oncogenic K-Ras...

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