ITPR1 autoimmunity: Frequency, neurologic phenotype, and cancer association.

Neurol Neuroimmunol Neuroinflamm

Department of Laboratory Medicine and Pathology (N.A., A.G., V.A.L., S.H., A.M., S.J.P.), Department of Neurology (V.A.L., A.M., S.J.P.), and Department of Immunology (V.A.L.), Mayo Clinic, Rochester, MN; and Institute for Experimental Immunology (L.K., M.S.), Affiliated to Euroimmun AG, Luebeck, Germany.

Published: January 2018

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5778826PMC
http://dx.doi.org/10.1212/NXI.0000000000000418DOI Listing

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Article Synopsis
  • In 2014, researchers identified a type of autoantibody, ITPR1-IgG/anti-Sj, linked to autoimmune cerebellar ataxia, prompting a review of its clinical characteristics and related findings.
  • The study analyzed existing literature and presented a new case of encephalitis associated with these antibodies, detailing severe cognitive and psychotic symptoms in a patient.
  • Findings revealed that ITPR1-IgG/anti-Sj affects various neurological conditions and is often associated with tumors; however, treatment yielded limited effectiveness in most patients.
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