GLP1R and maturity-onset diabetes of the young type 4: GLP-1 receptor agonists provide the possibility to improve glycemic control and reduce body weight in type 2 diabetes without the risk of hypoglycemia, and its blood sugar reduction effect is significantly better than that of currently used drugs (25, 26).Although GLP-1 receptor agonists are currently used only for the treatment of type 2 diabetes (27), GLP-1 receptor agonists are also used to treat MODY patients, especially MODY4 (28) since this subtype is mainly characterized by type 2 diabetes.