Loss of transforming growth factor-beta type II receptor promotes metastatic head-and-neck squamous cell carcinoma.

Abstract

The prognosis of head-and-neck squamous cell carcinoma (HNSCC) has not been improved in the past 20 years. Validation of HNSCC biomarkers for targeted therapy has been hindered by a lack of animal models mimicking human HNSCC at both the pathological and molecular levels. Here we report that overexpression of K-ras or H-ras and loss of transforming growth factor-beta type II receptor (TGFbetaRII) are common events in human HNSCC. Activation of either K-ras or H-ras in combination with TGFbetaRII deletion from mouse head-and-neck epithelia caused HNSCC with complete penetrance, some of which progressed to metastases. These tumors displayed pathology indistinguishable from human HNSCCs and exhibited multiple molecular alterations commonly found in human HNSCCs. Additionally, elevated endogenous TGFbeta1 in these lesions contributed to inflammation and angiogenesis. Our data suggest that targeting common oncogenic pathways in tumor epithelia together with blocking the effect of TGFbeta1 on tumor stroma may provide a novel therapeutic strategy for HNSCC.

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@article{Lu2006LossOT, title={Loss of transforming growth factor-beta type II receptor promotes metastatic head-and-neck squamous cell carcinoma.}, author={Shi-Long Lu and Heather C Herrington and Douglas D. Reh and Stephen M Weber and Sophia Bornstein and Donna H. Wang and Allen Guanqun Li and Chin-Fang Tang and Yasmin Siddiqui and Jo Nord and Peter E. Andersen and Christopher Corless and Xiao-Jing Wang}, journal={Genes & development}, year={2006}, volume={20 10}, pages={1331-42} }