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Activation of ERK with PFBS was abolished by MEK1/2 specific inhibitor U0126. During differentiation, the cells were treated with PFBS (100 μM) and U0126 (50 μM). On day 6, triglyceride contents were measured. Numbers are mean ± S.E. (n=4). Means with different letters are significantly different at P< 0.05.
