The amount of a NEDD4-like E3 ubiquitin-protein ligase WWP1 (human) when measured in cerebrospinal fluid. The trait is level of NEDD4-like E3 ubiquitin-protein ligase WWP1 (human) in cerebrospinal fluid (Ontology of Biological Attributes term OBA_2080886). Also known as: cerebrospinal fluid NEDD4-like E3 ubiquitin-protein ligase WWP1 (human) amount.