Reference Detail

Ref Type Journal Article
PMID (16258068)
Authors Jin W, Kim BC, Tognon C, Lee HJ, Patel S, Lannon CL, Maris JM, Triche TJ, Sorensen PH, Kim SJ
Title The ETV6-NTRK3 chimeric tyrosine kinase suppresses TGF-beta signaling by inactivating the TGF-beta type II receptor.
Journal Proceedings of the National Academy of Sciences of the United States of America
Vol 102
Issue 45
Date 2005 Nov 8
URL
Abstract Text An emerging theme in cancer biology is that although some malignancies occur through the sequential acquisition of different genetic alterations, certain dominantly acting oncoproteins such as those associated with chromosomal translocations have multiple functions and do not require additional mutations for cell transformation. The ETV6-NTRK3 (EN) chimeric tyrosine kinase, a potent oncoprotein expressed in tumors derived from multiple cell lineages, functions as a constitutively active protein tyrosine kinase. Here, we show that EN suppresses TGF-beta signaling by directly binding to the type II TGF-beta receptor, thereby preventing it from interacting with the type I TGF-beta receptor. This activity requires a functional EN protein tyrosine kinase, and type II TGF-beta receptor appears to be a direct target of EN. Our findings provide evidence for a previously undescribed mechanism by which oncogenic tyrosine kinases can block TGF-beta tumor suppressor activity.

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Molecular Profile Treatment Approach
ETV6-NTRK3 Trk Receptor Inhibitor (Pan)
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Drugs Efficacy Evidence Clinical Trials
Drug Name Trade Name Synonyms Drug Classes Drug Description
Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
ETV6-NTRK3 Advanced Solid Tumor sensitive Lestaurtinib Preclinical Actionable In a preclinical study, transformed cells expressing the fusion, ETV6-NTRK3, were treated with Lestaurtinib (CEP-701), which resulted in inhibition of ETV6-NTRK3 autophosphorylation and restoration of Tgf-b1 signaling (PMID: 16258068). 16258068