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Fig. 1. Effect of serum stimulation on ERK proteins in serum-starved RTHDF cells.
(A) Top: western blot analysis of phosphorylation of p44ERK and p38ERK during
serum stimulation of serum starved cells. The antibody recognises amino acids
Thr202 and Tyr204. Bottom: western blot analysis of total ERK protein. (B)
Quantification of the phospho-specific immunoreactions representing active
p44ERK in RTHDF cells. (C) Quantification of the phospho-specific
immunoreactions representing active p38ERK in RTHDF cells (N=4,
*P<0.05).