PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9879441-2 1998 Using T3CHO/AT1A cells, we tested the hypothesis that the delayed tyrosine phosphorylation of Stat3 by Ang II resulted from the induction of an inhibitory pathway (0-30 min) prior to activation (1-2 h). Tyrosine 66-74 signal transducer and activator of transcription 3 Rattus norvegicus 94-99 9879441-3 1998 In support of this hypothesis, we observed that a short treatment of cells with Ang II transiently inhibited the IL-6-induced Stat3 tyrosine phosphorylation. Tyrosine 132-140 signal transducer and activator of transcription 3 Rattus norvegicus 126-131