Laboratory results demonstrated hypercalcemia (13.2 mg/dL), depressed parathyroid hormone (PTH) (4.8 pg/mL), slightly elevated parathyroid hormone-related protein (PTHrp) (5.0 pmol), and elevated Vitamin D 1,25 OH (248 pg/mL). The gene discussed is PTH; the disease is hypercalcemia disease.