The amount of a alpha-N-acetylneuraminate alpha-2,8-sialyltransferase ST8SIA3 (human) when measured in cerebrospinal fluid. The trait is OBA_2056122 (level of alpha-N-acetylneuraminate alpha-2,8-sialyltransferase ST8SIA3 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid alpha-N-acetylneuraminate alpha-2,8-sialyltransferase ST8SIA3 (human) amount.