SU 16f is a selective PDGFRβ inhibitor with an IC50=10nM. In vitro studies demonstrate that SU 16f also inhibits HUVEC and NIH3T3 cell proliferation with an IC50=0.11μM. In addition, SU 16f displays 14 fold selectivity towards PDGFRβ compared to Flk-1 (VEGFR2), 229-fold over Flg (FGFR1) and 10000-fold over EGFR. SU 16f is an inhibitor of Flk-1.
1. Sun, L., et al. 1999. J. Med. Chem. 42: 5120-5130. PMID: 10602697
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