Recently we observed in a mouse model that pretreatment with up to 657 mg/kg of monosodium glutamate, a weak PSMA inhibitor (Ki = 0.90 μM), reduced uptake of [68Ga]Ga-PSMA-11 in salivary glands and kidneys but had no effect on tumor uptake 15. The gene discussed is FOLH1; the disease is neoplasm.