Figure 4

Effect of COX-2 and PAM on tumor associated VEGF expression in NSCLC cells. VEGF expression after treatment with PMA was showed in A431, A549, and H460 (A). Red curve indicated no treatment, black curve indicated treatment with PMA. VEGF expression after treatment with COX-2 and PMA was showed in A431, A549, and H460 (B). Red curve indicated treatment with COX-2, black curve indicated treatment with COX-2 and PMA. Comparison of G-mean fluorescence intensity of VEGF was showed (C). G-mean, geometric mean.