Interestingly, MAdCAM-1 was also found to be upregulated on inflamed venules in chronic inflammatory diseases, for example in the intestine in colitis and in choroid plexus epithelium during experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis (MS) (7–9). This evidence concerns the gene MADCAM1 and myeloid sarcoma.