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Western blot analysis of 42 and 44 kDa phospho-Erk, total Erk1/2 and 36 kDa beta-actin from tumor extracts after (A) direct i.t. injections of rLOX-PP (L) compared to PBS (P); (B) after implantation of empty (EB) and rLOX-PP (LB) alginate beads; (C) the corresponding quantifications are shown (*, p<0.05; n = 3).
