Fig. 5.
ERK phosphorylation in hCB1-expressing cells. (A) Effect of Org 27569 on CP55940-induced ERK phosphorylation; (B) effect of Org 27569 on WIN55212-induced ERK phosphorylation; (C) effect of CP55940 and Org 27569 alone on ERK phosphorylation in cells treated with vehicle or PTX (5 ng/ml, 24 hours).