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. 2009 Nov 11;285(1):401–408. doi: 10.1074/jbc.M109.051417

FIGURE 4.

FIGURE 4.

Electrostatic characteristics of the CPE-SR determines the sensitivity of Cldns to CPE. L929 cells expressing Cldns were subjected to the cytotoxicity assay (A) and 125I-CPE binding assay (C). Cells expressing Cldn4 (filled circles), Cldn5 (filled triangles), Cldn4NRDY (open circles), Cldn5DYNR (open triangles), or not expressing Cldn (filled squares) were examined. Each point represents the mean ± S.D. (n = 3). B, the expression level of each Cldn was confirmed by Western blotting with anti-V5 antibody on 2 × 104 cells. The β-actin of each sample was stained as a control.