passages.id: split_5_test_3479_passage
passages.type: progene_text
passages.text: The BTK / STAT3 interaction appeared to prevent STAT3 response to oxidative stress , because PV - induced STAT3 activation was markedly enhanced in DT40 chicken lymphoma B - cells that were rendered BTK - deficient by targeted disruption of the btk gene as well as in BTK - deficient RAMOS - 1 human lymphoma B - cells .