Neurofilament heavy chain and heat shock protein 70 as markers of seizure-related brain injury

Rejdak, K. and Kuhle, J. and Ruegg, S. and Lindberg, R. L. and Petzold, A. and Sulejczak, D. and Papuc, E. and Rejdak, R. and Stelmasiak, Z. and Grieb, P.. (2012) Neurofilament heavy chain and heat shock protein 70 as markers of seizure-related brain injury. Epilepsia, Vol. 53, H. 5. pp. 922-927.

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Official URL: http://edoc.unibas.ch/dok/A6338334

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PURPOSE: Status epilepticus (SE) has deleterious effects on brain tissue, but whether brief recurrent seizures may also damage neurons represents a matter of controversy. Therefore, it remains a central area of epilepsy research to identify individuals at risk where disease progression can be potentially prevented. Biomarkers may serve as tools for such identification. Thus the present study aimed at analyzing the levels of heat shock protein 70 (HSP-70, also designated as HSPA1A) and neurofilament heavy chain protein (NfH(SMI35) ) in cerebrospinal fluid (CSF) of patients with seizures of different severity. METHODS: Forty-one patients were included, of whom 20 patients had a single generalized tonic-clonic seizure (GTCS) episode (SS), 11 had repetitive GTCS (RS), and 10 experienced convulsive SE. The control group consisted of 18 subjects. HSP-70 levels were measured using a conventional enzyme-linked immunosorbent assay (ELISA), whereas the NfH(SMI35) protein levels were detected by an electrochemiluminescence (ECL) immunoassay. KEY FINDINGS: Patients with SE (p 0.05). SIGNIFICANCE: Studying biochemical markers as additional quantitative tools for the measurement of neuronal damage (especially subclinical), complementary to available techniques of imaging, and clinical assessment might prove useful for identifying patients at risk of accumulating neuronal injury resulting from uncontrolled seizures. NfH(SMI35) and HSP-70 are of potential value as sensitive and specific biomarkers of seizure-related pathologic events. Future longitudinal studies are needed to monitor such patients by correlating biochemical, neuroimaging, and clinical methods of assessment.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Clinical Neuroimmunology (Derfuss/Lindberg)
UniBasel Contributors:Lindberg Gasser, Raija L.P.
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:08 May 2015 08:45
Deposited On:08 May 2015 08:45

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