Phosphomannomutase 2 (PMM2) variants leading to hyperinsulinism-polycystic kidney disease are associated with early-onset inflammatory bowel disease and gastric antral foveolar hyperplasia.
Kiparissi F, Dastamani A, Palm L, Azabdaftari A, Campos L, Gaynor E, Grünewald S, Uhlig HH, Kleta R, Böckenhauer D, et al. Hum Genet. 2023 May; 142(5):697-704. Epub 2023 Feb 11.