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Activation of the MAPK pathway by FGFs. TERT-NHUC and TERT-NHUC expressing FGFR1α and FGFR1β were cultured with heparin (10 μg/ml) or heparin with 1, 10, or 100 ng/ml FGF for 15 minutes. The top and bottom blots represent pERK and tubulin, respectively.
