The search strategy included ("GLP-1 receptor agonist" OR "glucagon-like peptide-1 receptor agonist" OR liraglutide OR dulaglutide OR exenatide OR semaglutide OR albiglutide OR lixisenatide) AND ("type 2 diabetes" OR "type 2 diabetes mellitus" OR T2DM) AND ("renal function" OR "kidney function" OR "diabetic nephropathy" OR "chronic kidney disease" OR CKD OR "urinary albumin excretion rate" OR UAER OR "estimated glomerular filtration rate" OR eGFR OR microalbuminuria OR proteinuria). The gene discussed is GLP1R; the disease is diabetes mellitus.