
Barrett's esophagus: recent insights into pathogenesis and cellular ontogeny
Keywords: AFAP, attenuated familial adenomatous polyposis; Agr2, anterior gradient protein 2 homolog; BAR-T, telomerase-immortalized, non-neoplastic, human Barrett's cell line; BE, Barrett's esophagus; BMI, body mass index; BMP-4, bone morphogenetic protein 4; BSG,