FIGURE 4. Osteonectin expression levels and effects on growth in pancreatic cancer cells. A, Osteonectin mRNA levels in cultured pancreatic cancer cell lines and pancreatic stellate cells. B, The indicated pancreatic cancer cells were treated with exogenous human recombinant osteonectin for 48 hours. Data are presented as mean ± SEM of 3 independent experiments. *P < 0.05.