Abstract

Squamous cell carcinomas (SCCs) are a group of tumors with shared molecular features across organ types, few targeted treatments, and poorly defined drivers of carcinogenesis. We explored the possibility that alternative RNA splicing is a fundamental mechanism of carcinogenesis across SCC types. Exploiting large scale transcriptional profiling data, we found that splicing profiles significantly differ between SCC and non-SCC cell lines and identified an SCC-specific splicing signature which was characterized by retained intron, exon skipping, and isoform-level events associated with pathways of tumor growth, invasion and metastasis.

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