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Experimental Neurology
Volume 202, Issue 2, December 2006, Pages 514-518
 
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doi:10.1016/j.expneurol.2006.06.012    How to Cite or Link Using DOI (Opens New Window)
Copyright © 2006 Elsevier Inc. All rights reserved.

Short Communication

Peculiar labeling of cultured hippocampal neurons by different sera harboring anti-glutamic acid decarboxylase autoantibodies (GAD-Ab)

Marika Vianelloa, Corresponding Author Contact Information, E-mail The Corresponding Author, Bruno Giomettoc, Stefano Vassanellia, Marta Canatoa, Corrado Betterleb and Carla Mucignata

aDepartment of Human Anatomy and Physiology, Section of Physiology, Via Marzolo 3, 35131 Padova, Italy bDepartment of Internal Medicine, University of Padova, Italy cOperative Unit of Neurology, Treviso Hospital, Italy

Received 16 April 2006; 
revised 21 June 2006; 
accepted 28 June 2006. 
Available online 7 August 2006.

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Abstract

Immunological derangement is assumed to be present in a subgroup of patients affected by drug-resistant epilepsy with serum harboring anti-glutamic acid decarboxylase autoantibodies (GAD-Ab).

To further investigate the specific reactivity of GAD-Ab with target cells, we tested sera from drug-resistant epileptics harboring GAD-Ab on cultured fetal rat hippocampal neurons. As a control, we tested sera from GAD-Ab-negative epileptics and GAD-Ab-positive patients affected by Stiff Person Syndrome (SPS), ataxia or diabetes.

A specific pattern of reactivity, varying according to disease, was detected on application of sera from GAD-Ab-positive patients with epilepsy, SPS and ataxia, but no specific labeling was found on application of sera from patients with GAD-Ab-negative epilepsy or from GAD-Ab-positive diabetic controls.

Keywords: Drug-resistant epilepsy; Stiff Person Syndrome; Ataxia; Neurological disorders; Diabetes; Hippocampal neurons in culture

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Experimental Neurology
Volume 202, Issue 2, December 2006, Pages 514-518
 
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