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. 2009 Oct 20;4(10):e7524. doi: 10.1371/journal.pone.0007524

Figure 5. Nicotine reduced the expression of epithelial markers in A/J mice.

Figure 5

(A) E-Cadherin staining of A/J lung tumors induced by NNK or NNK+nicotine. (B) Quantitation of E-Cadherin intensity in tumors (C) β-Catenin staining of A/J lung tumors induced by NNK or NNK+nicotine. (D) Quantitation of membranous β-Catenin. (E) ZO-1 staining of A/J lung tumors induced by NNK or NNK+nicotine. (F) Quantitation of membranous ZO-1.