A compound attribute that is the ratio of amount of dual adapter for phosphotyrosine and 3-phosphotyrosine and 3-phosphoinositide (human) in blood to amount of mesencephalic astrocyte-derived neurotrophic factor (human) in blood. The trait is DAPP1/MANF protein level ratio in blood (OBA_2055066). Also known as: the ratio of amount of dual adapter for phosphotyrosine and 3-phosphotyrosine and 3-phosphoinositide (human) in blood to amount of mesencephalic astrocyte-derived neurotrophic factor (human) in blood.