The keywords used were “GLP-1 receptor agonists,” “GLP-1RA,” “periodontitis,” “GLP-1RA and diabetes,” “GLP-1RA and obesity,” “GLP-1RA and oxidative stress,” “GLP-1RA and periodontitis,” “GLP-1RA and inflammation,” and “GLP-1RA and mechanism of action.” The gene discussed is GLP1R; the disease is obesity due to melanocortin 4 receptor deficiency.