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Erschienen in: Journal of Neural Transmission 3/2015

01.03.2015 | Translational Neurosciences - Short communication

Stiff person-syndrome IgG affects presynaptic GABAergic release mechanisms

Erschienen in: Journal of Neural Transmission | Ausgabe 3/2015

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Abstract

The majority of patients with stiff person-syndrome (SPS) are characterized by autoantibodies to glutamate decarboxylase 65 (GAD65). In previous passive-transfer studies, SPS immunoglobulin G (IgG) induced SPS core symptoms. We here provide evidence that SPS-IgG causes a higher frequency of spontaneous vesicle fusions. Sustained GABAergic transmission and presynaptic GABAergic vesicle pool size remained unchanged. Since these findings cannot be attributed to anti-GAD65 autoantibodies alone, we propose that additional autoantibodies with so far undefined antigen specificity might affect presynaptic release mechanisms.
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Metadaten
Titel
Stiff person-syndrome IgG affects presynaptic GABAergic release mechanisms
Publikationsdatum
01.03.2015
Erschienen in
Journal of Neural Transmission / Ausgabe 3/2015
Print ISSN: 0300-9564
Elektronische ISSN: 1435-1463
DOI
https://doi.org/10.1007/s00702-014-1268-1

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