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Endogenous expression levels of Wnt-2/Frizzled-8 and effects of dnhWnt-2 expression in normal epithelial cells and NSCLC cells. (A) Endogenous expression levels of Wnt-2 and Frizzled-8 were determined by quantitative RT-PCR analysis in 293, 293T and A549 cells. (B) Cell proliferation assays were performed in A549 cells transfected with dnhWnt-2 or vector control plasmids.
