passages.id: split_1_test_3026_passage
passages.type: progene_text
passages.text: While studying the cross - talk between alpha-thrombin and interleukin 6 , we observed that the phospho - specific ( tyrosine ) anti - Stat3 antibody specifically cross - reacted with a 74 - 78 - kDa protein ( s ) in alpha-thrombin - treated cells .