Similarly, among the Egyptian population of 80 healthy controls and 80 patients with papillary thyroid carcinoma (PTC), increased GLP-1 receptor expression was observed in PTC patients who were homozygous for the AA allele at the rs1042044 A locus, which is associated with the GLP-1 receptor polymorphism. The gene discussed is GLP1R; the disease is thyroid gland papillary carcinoma.