Multiple sclerosis and intrathecal IgA synthesis

A. Sena, P. Rosado, V. Ferret-Sena, J. Coimbra, E. Schuller, C. J.M. Sindic

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Resumo

A clinically definite diagnosis of multiple sclerosis was done in a 61 year-old woman who displayed severe cerebellar and pyramidal tract involvement. Symptoms developed 5 years before with unsteadiness of gait and difficulties in walking. Diagnosis was supported by evoked potentials studies and magnetic resonance imaging. However, the cerebrospinal fluid (CSF) analysis was very unusual. CSF albumin and IgG concentrations were normal, as well as the IgG index. In contrast, the IgA level and the IgA index were markedly increased and the local synthesis of IgA was estimated at 31.36 mg/l. Reduction by dithiotreitol did not change the IgA level. On affinity immunoblots, oligoclonal IgA bands were not detected but oligoclonal IgG bands were present. The strong local production of IgA in this patient seems to be therefore polyclonal.

Idioma original???core.languages.en_GB???
Páginas (de-até)36-38
Número de páginas3
RevistaActa Neurologica Belgica
Volume97
Número de emissão1
Estado da publicação???researchoutput.status.published??? - mar. 1997
Publicado externamenteSim

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