BMI: body mass index, DM: diabetes mellitus, EGD: esophagogastroduodenoscopy, GI: gastrointestinal, HD: hemodialysis, HP: histopathology, Na thiosulphate: sodium thiosulphate, PTH: parathyroid hormone, PD: peritoneal dialysis, PPI: proton pump inhibitor. The gene discussed is PTH; the disease is diabetes mellitus.