High prevalence of antineuronal antibodies in Tunisian psychiatric inpatients.

J Neuropsychiatry Clin Neurosci

From the Dept. of Immunology, Al Rabta Hospital, Tunis, Tunisia (LL, NS, MZ, HL, MKS, SM); and Research Unit 03/04 "Schizophrenias," Dept. of Psychiatry F, Al Razi Mental Health Hospital, Mannouba, Tunisia (OS, WA, ZEH).

Published: November 2015

AI Article Synopsis

  • The study investigated the presence of antineuronal antibodies in 103 psychiatric inpatients and 41 control subjects without malignancies or neurological issues.
  • Indirect immunofluorescence testing revealed 20 patients had antineuronal nuclear autoantibodies, while some had antibodies reacting with Purkinje cell cytoplasm, but none of the controls showed similar results.
  • Over a 5-year follow-up, the five patients with confirmed antibodies did not develop any neurological disorders or cancers.

Article Abstract

The authors aimed to determine the prevalence of antineuronal antibodies in 103 psychiatric inpatients and 41 control subjects with no history of malignancies or neurological disorders. All sera were tested by indirect immunofluorescence and positive sera by immunoblot. Using immunofluorescence, antineuronal nuclear autoantibodies were detected in 20 patients and none of the control subjects, and antibodies reacted with the cytoplasm of Purkinje cells in six patients and two control subjects. The immunoblot confirmed well-characterized antineuronal antibodies only in five patients: two had anti-Ri and three had anti-Yo antibodies. After a follow-up of 5 years, none of these patients developed neurological disorder or malignancy.

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Source
http://dx.doi.org/10.1176/appi.neuropsych.13070153DOI Listing

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