TGFB1 and cancer: The abundance of TGF-β transcripts was analyzed in silico within several human tumors using GEPIA (Gene Expression Profiling Interactive Analysis, http://gepia.cancer-pku.cn/) which is an interactive web-based tool developed to deliver fast and customizable functionalities based on TCGA (The Cancer Genome Atlas) and GTEx (Genotype-Tissue Expression) data (14).