Toney-Earley, K.

gab 1 phosphorylation erythroblast gab 2 kinase tyrosine receptor activation differentiation figure protein jak 2 epo-induced factor blood erythroid cos cells expansion trka-ron /ml 10 minutes pi 3k phosphorylated gab 2 phosphorylation presence minute culture number erythropoietin antibody control medium ron activation activity gab 1 phosphorylation liver volume trka-ronexpressing tyrosine phosphorylation interaction c-met ronfl immunoprecipitate erythropoietin receptor hek 293 cells pi 3k activity proliferation phosphorylate gab 1 growth trka-ronexpressing erythroblasts domain response pathway mechanism hemoglobin progenitor absence cell size inhibitor progenitor expansion ronsf src kinases result antiphosphotyrosine antibodies erythroid cells target erythropoiesi j cell biol j biol chem mol cell biol renewal expression contrast progenitors signal substrate gab 2. clone anti-gab 1 phosphorylate stat 5