The amount of a neuroepithelial cell-transforming gene 1 protein (human) when measured in cerebrospinal fluid. The trait is level of neuroepithelial cell-transforming gene 1 protein (human) in cerebrospinal fluid (OBA_2059524, an Ontology of Biological Attributes identifier). Also known as: cerebrospinal fluid neuroepithelial cell-transforming gene 1 protein (human) amount.