Determination of dopamine-releasing protein (DARP) in cerebrospinal fluid of patients with neurological disorders (original) (raw)

Archives of medical research, 1997

Abstract

Levels of DARP in the cerebrospinal fluid (CSF) of patients having a wide variety of neurological disorders were determined. Neurological disorders were categorized as degenerative, demyelinating, epilepsy, trauma, hydrocephalia, inflammatory, A-V malformation, CNS neoplasia, parasitic and stroke. DARP levels were determined by an enzyme-linked immunoabsorbent assay (ELISA) using monoclonal anti-DARP antibodies. A synthetic peptide corresponding to the first 36 aa of the N-terminal of DARP was used as standard. A total of 7 non-neurological patients and 73 patients with neurological disorders were tested. The relative concentrations of DARP decreased in patients with Parkinson's diseases vs. patients with non-neurological diseases and increased in other neuropathologies such as demyelinating, hydrocephalia and A-V malformations. Data obtained suggest that changes in the percentage and concentration of DARP may correlate with certain neurological disorders, showing particularly l...

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