sentence: The following primary antibodies were used for immunoblotting : ( Santa Cruz Biotechnology ) ErbB3 C17 ( sc-285 ) , ( Cell Signaling Technology ) phospho-ErbB2 Y1221 / 1222 ( 2249 ) , EGFR ( 2232 ) , phospho-Src Family Kinase Y416 ( 2101 ) , phospho-ErbB3 Y1289 ( 4791 ) , phospho-p38 ( 9215 ) , p38 T180 / Y182 ( 9212 ) , tubulin ( 2148 ) , phospho-Smad2 S245 / 250/255 ( 3104 ) , Smad2 / 3 ( 3102 ) , HIF1 α ( 3716 ) , phospho-Stat3 Y705 ( 9145 ) , Stat3 ( 9139 ) , phospho-YB1 S102 ( 2900 ) , ( Millipore ) c-ErbB2 Ab-3 ( OP-15 ) , ( BD Transduction ) E-cadherin ( 610182 ) , ( Abcam ) YB1 ( 12148 ) .