Protein profile of cerebrospinal fluid in multiple sclerosis with special reference to the function of the blood brain barrier
- 1 September 1977
- journal article
- research article
- Published by Springer Nature in Zeitschrift für Neurologie
- Vol. 214 (3) , 207-215
- https://doi.org/10.1007/bf00316151
Abstract
The leucocyte count, total protein, albumin, IgG, IgA and IgM content of the cerebrospinal fluid (CSF) of 103 multiple sclerosis (MS) patients was determined. In 54 cases a simultaneous analysis of serum was also carried out. As a sign of an intact blood brain barrier the albumin concentration was normal in 76.7%. Taking into account the relative IgG quotient in CSF and serum, and the albumin and IgG concentration gradients between CSF and serum, it was possible to reveal an elevation of IgG content in CSF of MS patients in 75 and 83%, respectively. Without a simultaneous analysis of serum this was the case only in 51.5%. In MS cases with an intact blood brain barrier the values for IgA and/or IgM were slightly elevated in 11.7%. This study demonstrates analytic methods, which support the hypothesis of IgG synthesis by cells accumulating within the CNS in MS. A correlation of the laboratory results and clinical manifestation of MS was tried. Bei 103 Multiple Sklerose (MS)-Patienten wurden Zellzahl und Proteinkonzentrationen (Gesamteiweiß, Albumin, IgG, IgA und IgM) im Liquor cerebrospinalis (CSF) gemessen. In 54 dieser Fälle erfolgte eine gleichzeitige Serumanalyse derselben Parameter. Albumin als Indikator einer intakten Bluthirnschranken-Funktion war in 76.7% aller CSF normal. Unter Berücksichtigung von relativen IgG-Konzentrationen in Serum und Liquor und von Konzentrationsgradienten des Albumins und IgG zwischen Liquor und Serum war IgG in 75 bzw. in 83% der Fälle pathologisch vermehrt. Bei alleiniger Analyse von CSF war diese Konstellation nur in 51.5% nachweisbar. Eine geringgradige Vermehrung der IgA- und/oder IgM-Konzentrationen war bei intakter Bluthirnschranken-Funktion nur in 11.7% feststellbar. Die Arbeit demonstriert analytische Methoden, mit denen eine Abgrenzung solcher CSF-Immunglobulinkonzentrationen möglich ist, die bei dieser Krankheit von Zellen synthetisiert werden, die sich im Zentralnervensystem anreichern. Eine Korrelation der Laborparameter zu klinischen Daten wurde versucht.Keywords
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