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. Author manuscript; available in PMC: 2009 Oct 19.
Published in final edited form as: Mol Carcinog. 2009 Jun;48(6):488–497. doi: 10.1002/mc.20485

Figure 5. A549 permeability is modified by claudin-2 overexpression.

Figure 5

A549 cells were grown for 3 wk on a transwell insert and permeability to ethanolamine and mannitol are shown. (A) Ethanolamine permeability is significantly higher in the apical to basal direction and enhanced as a result of claudin-2 overexpression. (B) Mannitol permeability is temperature sensitive and increased as a result of claudin-2 upregulation. MCS, empty vector control; Cl2, claudin-2 overexpressing cells. Statistically significant by t-test with *P < 0.05, **P < 0.01, and ***P < 0.001.