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. 2020 Dec 4;10:21280. doi: 10.1038/s41598-020-77978-z

Figure 1.

Figure 1

In vitro FAP potency of BR103354. (a) Chemical structure of BR103354. (b) The concentration-dependent inhibitory effects of BR103354 on FAP activity. A commercially available FAP substrate with the sequence Suc-Gly-Pro-Leu-Gly-Pro-AMC was used for the assay. (c) Recombinant human FGF21 (200 nM) was co-incubated with recombinant human FAP (50 nM) and the indicated concentrations of BR103354 in buffer and subjected to immunoblot analysis with anti-hFGF21 (hFGF21:hFAP = 4:1, at a molar ratio). As a control, 0.1% dimethyl sulfoxide (vehicle) was tested.