Most notably, miR-30b/c has been reported to influence transforming growth factor beta 1-induced epithelial to mesenchymal transition and biliary development and infection, [10,24-26] while miR-200b, [27] -204, [28] and −320 [28] have been linked to cholangiocarcinoma. The gene discussed is TGFB1; the disease is cholangiocarcinoma.