The amount of a poly [ADP-ribose] polymerase tankyrase-1 (human) when measured in cerebrospinal fluid. The trait is level of poly [ADP-ribose] polymerase tankyrase-1 (human) in cerebrospinal fluid (Ontology of Biological Attributes id OBA_2056488). Also known as: cerebrospinal fluid poly [ADP-ribose] polymerase tankyrase-1 (human) amount.