Review Article

Pathogenic Roles of Glutamic Acid Decarboxylase 65 Autoantibodies in Cerebellar Ataxias

Table 2

Summary of experiments showing internalization of antibodies into cerebellar neurons.

PreparationDetected internalized antibodiesPortion of internalizationReference

In vitro incubation of rat cerebellum with human or rat IgGs and IgMsIgG, IgMPurkinje cells[46]
Autopsy
Brain tissue of patient with multiple myeloma
Myeloma light chainPurkinje cells[47]
Autopsy
Brain tissue of rats
IgGPurkinje cells, specific neuronal nuclei[48]
Autopsy
Cerebellar tissues of patients
IgG, IgA, IgMPurkinje cells[49]
Intraventricular injection of human IgGs into guinea pigsIgGPurkinje cells[50]
Peripherally administered human IgG in rats.IgGPurkinje cells[51]