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. Author manuscript; available in PMC: 2013 Aug 3.
Published in final edited form as: Biochem Biophys Res Commun. 2012 Jul 10;424(3):620–623. doi: 10.1016/j.bbrc.2012.06.163

Fig. 1.

Fig. 1

Endoglin constitutively inhibits ERK activation. (A) Eng+/+ and Eng-/- MEECs were serums starved for 4 h prior to TGF-β dose-response at the indicated concentrations for 15 min. Phospho-specific (upper panel) and total ERK (lower panel) immunoblotting are shown. (B) A time-course experiment involved Eng+/+ and Eng-/- MEECs being treated with 20 pM TGF-β for the indicated time points.