Activation of the MAP kinase pathway by FGF-1 correlates with cell proliferation induction while activation of the Src pathway correlates with migration.

Thus, we suggest that the difference in the level of DNA synthesis between the transiently-stimulated and delayed-stimulated populations during the early time points (13–17 h) may not be significant since it is similar to the low levels of [ 3 H]thymidine incorporation exhibited by the short-stimulated population (Fig. 1 C ).

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