Tumor suppressor LKB1 inhibits activation of signal transducer and activator of transcription 3 (STAT3) by thyroid oncogenic tyrosine kinase rearranged in transformation (RET)/papillary thyroid carcinoma (PTC)
Laboratory of Endocrine Cell Biology, National Research Laboratory Program, Department of Internal Medicine, Department of Pathology, Chungnam National University School of Medicine, Daejeon 301-721, Korea.