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Axonal degeneration and inflammation in acute optic neuritis

Petzold, A; Rejdak, K; Plant, GT; (2004) Axonal degeneration and inflammation in acute optic neuritis. J NEUROL NEUROSUR PS , 75 (8) 1178 - 1180. 10.1136/jnnp.2003.017236. Green open access

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Abstract

Aims: To investigate whether plasma biomarkers for axonal injury and inflammation are related to loss and recovery of visual function in acute optic neuritis (ON).Methods: Eighteen patients with ON and 14 controls were investigated in a longitudinal, prospective study. Plasma phosphorylated neurofilament heavy chain ( NfH(SMI35); a surrogate marker of axonal injury), nitric oxide metabolites (NOx), and citrulline ( surrogate markers of inflammation) were measured.Results: Patients with ON had higher median plasma NfH(SMI35) values than controls (0.17 versus 0.005 ng/ml; p< 0.05) and higher NOx values (49 versus 35.5 mu M; p< 0.001). Plasma NfH(SMI35) values correlated inversely with visual acuity at presentation ( R = -0.67; p = 0.01). NfH(SMI35) was higher in patients with poor recovery of visual acuity than in those with good recovery (0.25 ng/ml versus 0.09 ng/ml; p< 0.05). Three of four patients with high NfH(SMI35) and high NOx values experienced a poor recovery as opposed to only one of five with high NOx but normal NfH(SMI35) values.Conclusions: NfH(SMI35), a surrogate marker for axonal damage, is a prognostic indicator and should be considered in the design of neuroprotective treatment strategies.

Type: Article
Title: Axonal degeneration and inflammation in acute optic neuritis
Open access status: An open access version is available from UCL Discovery
DOI: 10.1136/jnnp.2003.017236
Keywords: NITRIC-OXIDE METABOLITES, MULTIPLE-SCLEROSIS, CEREBROSPINAL-FLUID, DISEASE PROGRESSION, ATROPHY, DISABILITY, PLASMA, SERIAL, MRI
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Brain Repair and Rehabilitation
URI: https://discovery.ucl.ac.uk/id/eprint/18935
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