Expression patterns of the IFITM3 mRNA. The expression levels of IFITM3 mRNA in various human tissues: 1, lung; 2, brain; 3, muscle; 4, pancreas; 5, kindey; 6, placenta; 7, heart; 8, liver; 9, spleen; 10, thymus; 11, prostate; 12, testis; 13, ovary; 14, intestine; 15, colon; 16, leukocyte (A), and the tissues of human digestive system: 1, liver; 2, stomach; 3, colon (desending); 4, colon (transverse); 5, colon (ascending); 6, ileocecum; 7, duodenum; 8, rectum; 9, jejunum; 10, ileum; 11, cecum; 12, esophagus (B).