Bexotegrast (PLN-74809) 是一种有效的双重 αvβ6/αvβ1 整合素抑制剂，Kd 分别为 5.7 nM 和 3.4 nM。Bexotegrast 抑制 αvβ6 和 αvβ1 诱导的 TGF-β 激活，IC50 值分别为 29.8 nM 和 19.2 nM。Bexotegrast 具有抗纤维化作用，可阻断纤维化肺中 TGF-β 激活的多种途径。 Bexotegrast (PLN-74809) is an potent dual αvβ6/αvβ1 integrin inhibitor with Kd of 5.7 nM and 3.4 nM, respectively. Bexotegrast inhibits αvβ6- and αvβ1-induced TGF-β activation with IC50 values of 29.8 nM and 19.2 nM, respectively. Bexotegrast has antifibrogenic effects and block multiple avenues of TGF-β activation in the fibrotic lung.