SLCO2B1 and inflammatory bowel disease: Wojtal et al. [67] reported that intestinal tissues from patients diagnosed with UC and CD (analyzed together) were characterized by significantly elevated mRNA levels of SLC29A1 (ENT1), SLC29A2 (ENT2), and OATP2B1, while ASBT and OCTN2 were significantly downregulated in the ileum of IBD patients.