GLP2R and macrothrombocytopenia and granulocyte inclusions with or without nephritis or sensorineural hearing loss: Variants in the GLP-2 receptor gene might contribute to the response to both endogenous as well as exogenous GLP-2 and its analogs, and, therefore, the GLP-2 receptor gene sequence was analyzed in detail in thirty-seven SBS patients and three healthy controls.