Ontology of Biological Attributes entry OBA_2053825 (MANF/STIP1 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of mesencephalic astrocyte-derived neurotrophic factor (human) in blood to amount of stress-induced-phosphoprotein 1 (human) in blood. Also known as: the ratio of amount of mesencephalic astrocyte-derived neurotrophic factor (human) in blood to amount of stress-induced-phosphoprotein 1 (human) in blood.