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Fig. 2 | BMC Research Notes

Fig. 2

From: Identification of a bone morphogenetic protein type 2 receptor neutralizing antibody

Fig. 2

Antibody 3F6 reduces activation of BMP pathway in HEK293T cells. a Expression of endogenous BMPR2 by HEK293T cells compared to β-actin loading control. Approximate molecular weights are indicated. b, c BMP2 induces phosphorylation of SMAD1, 5, and 8 (pSMAD1,5,8) in HEK293T cells and this response is blunted by pre-treatment with 3F6. Approximate molecular weights are indicated in b. Results are quantified in c and expressed as mean ± SEM ratio of phosphorylated SMAD1,5,8: total SMAD1 relative to BMP2 treatment alone. No effect on BMP2-responsiveness was observed with pre-treatment using control ascites (Ctrl Asc.). n = 3 per condition. Asterisk indicates p < 0.05 by paired t test

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