**Fig. (9 A-H)**
ICC detection of total COX-2 in MCF-7 cells incubated with 0.1 µL mL^{-1} DMSO (**A** & **B**), 1 µL mL^{-1} fish oil (**C** & **D**), 1 x 10^{-7} M 4-hydroxytamoxifen, 25 µM PD98059 and 5 µM LY294002 (**E** & **F**) or 1 µL mL^{-1} fish oil, 1 x 10^{-7} M 4-hydroxytamoxifen, 25 µM PD98059 and 5 µM LY294002 (**G** & **H**) for 3h. Cells were grown to 70% confluency on TESPA coated glass coverslips and fixed using formal saline. Primary antibody was NEB total COX-2 rabbit primary at 1/40 for 1.5h. Secondary antibody was DAKO Rabbit EnVision peroxidase labeled polymer antibody for 1.5h. Magnification: A, C, E, G x 10 and B, D, F, H x 40. Passage numbers were 22, 27 and 33.