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The expression of ERK1/2 in gastric cancer and non-cancerous tissues analyzed by RT-PCR (Figure 2a) and Western blotting (Figure 2b). a: Lane M, DNA markers; lanes1-7, tumor tissues; lane 8, non-cancerous tissues; ERK1 and ERK2 mRNA were positive in tumor tissues. b: ERK1 and ERK2 protein were positive in tumor tissues (1–8).
