作者: Monique E. Verhaegen , Doris Mangelberger , Paul W. Harms , Markus Eberl , Dawn M. Wilbert
DOI: 10.1158/0008-5472.CAN-17-0035
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摘要: Merkel cell carcinoma (MCC) tumor cells express several markers detected in normal cells, a nonproliferative population of neuroendocrine that arise from epidermis. MCCs frequently contain polyomavirus (MCPyV) DNA and viral transforming antigens, sT tLT, but the role these putative oncogenes MCC development, this tumor's origin, are unknown. Using panel preterm transgenic mice, we show epidermis-targeted coexpression fate-determinant atonal bHLH transcription factor 1 (ATOH1) leads to development widespread cellular aggregates, with histology marker expression mimicking human intraepidermal MCC. The MCC-like phenotype was dependent on FBXW7-binding domain sT, not sT-PP2A binding domain. Coexpression MCPyV tLT did appreciably alter driven by either or combined ATOH1. when coexpressed ATOH1, is thus sufficient initiate epidermis-derived tumors mice. Cancer Res; 77(12); 3151-7. ©2017 AACR.