Hi again, I think I forgot to mention that the mouse tissue for TNF, IL6 and IL1 is FFPE. we may have to resort to frozen tissue, so protocols for that would be helpful, too. Thanks! Karen Percival Research Scientist I Wyeth Research 1 Burtt Road G3025 Andover, MA 01810 888-577-1500 x 4058 kpercival @wyeth.com