The amount of a transmembrane and ubiquitin-like domain-containing protein 2 (human) when measured in cerebrospinal fluid. The trait is level of transmembrane and ubiquitin-like domain-containing protein 2 (human) in cerebrospinal fluid (OBA_2059470, an Ontology of Biological Attributes entry). Also known as: cerebrospinal fluid transmembrane and ubiquitin-like domain-containing protein 2 (human) amount.