KRT7 and inflammatory bowel disease: K7 is found to be expressed in UC-related neoplasms23,24, and we previously found that K7, not expressed in healthy colonic epithelium, is significantly upregulated in IBD and the highest focal K7 positive cell levels were found to be associated with the most severe epithelial damage and the samples with granulomas close to epithelium had increased number of K7 positive cells17.