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Ref Type Journal Article
PMID (22766511)
Authors Kurio N, Shimo T, Fukazawa T, Okui T, Hassan NM, Honami T, Horikiri Y, Hatakeyama S, Takaoka M, Naomoto Y, Sasaki A
Title Anti-tumor effect of a novel FAK inhibitor TAE226 against human oral squamous cell carcinoma.
Journal Oral oncology
Vol 48
Issue 11
Date 2012 Nov
URL
Abstract Text Focal adhesion kinase (FAK) overexpression is frequently found in invasive and metastatic cancers, but its role in oral squamous cell carcinoma is not yet well understood. In order to seek therapies targeting oral squamous cell carcinoma, we developed the novel FAK Tyr(397) inhibitor TAE226 and investigated its anti-tumor effects and mechanisms.Expression of phosphorylated FAK Tyr(397) was examined by immunohistochemical and immunoblot analysis. The effect of TAE226 on in vitro and in vivo studies were confirmed by proliferation, cell cycle, apoptosis and angiogenesis analysis.We found that phosphorylated FAK was highly expressed in human tongue oral squamous cell carcinoma in patients. Importantly, TAE226 greatly suppressed the proliferation, migration and invasion of human oral squamous cell carcinoma SAS cells with an apparent structural change of actin fiber and a loss of cell adhesion. In addition, TAE226 inhibited the expression of phospho-FAK Tyr(397) and phospho AKT Ser(473), resulting in caspase-mediated apoptosis. Furthermore, oral administration of TAE226 in mice suppressed the growth and angiogenesis of oral squamous cell carcinoma xenografts in vivo.Our results provide compelling evidence that FAK is critically involved in oral squamous cell carcinoma and that the FAK inhibitor TAE226 can potentially be effectively used for the treatment of oral squamous cell carcinoma.

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Molecular Profile Treatment Approach
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
Gene 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
Unknown unknown oral squamous cell carcinoma not applicable TAE226 Preclinical - Cell line xenograft Actionable In a preclinical study, TAE226 treatment increased apoptosis and decreased proliferation and migration of oral squamous cell carcinoma cells in culture and inhibited tumor growth in cell line xenograft models (PMID: 22766511). 22766511