EGFR/HER2 - JAK3

AG 490 is a selective inhibitor of EGF receptor tyrosine kinase (IC50 values are 2 and 13.5 μM for EGFR and ErbB2 respectively). Also inhibits JAK2 with no activity to Lck, Lyn, Btk, Syk and Src.

WHI-P 154 is a JAK3 inhibitor with IC50 = 1.8uM. WHI-P 154 also Inhibits STAT1 activation, iNOS expression and NO production in macrophages in vitro.