The amount of a inositol-trisphosphate 3-kinase C (human) when measured in cerebrospinal fluid. The trait is level of inositol-trisphosphate 3-kinase C (human) in cerebrospinal fluid (Ontology of Biological Attributes entry OBA_2080342). Also known as: cerebrospinal fluid inositol-trisphosphate 3-kinase C (human) amount.