Autoantibody Against Na+/I- Symporter in the Sera of Patients with Autoimmune Thyroid Disease

Overview

Journal Biochem Biophys Res Commun

Publisher Elsevier

Specialty Biochemistry

Date 1996 Jul 5

PMID 8694839

Citations 10

Authors

T Endo

T Kogai

M Nakazato

T Saito

M Kaneshige

T Onaya

Affiliations

Soon will be listed here.

Abstract

Using recombinant rat Na+/I- symporter (NaIS) protein, we have immunochemically searched for the autoantibody in the sera from patients with autoimmune thyroid disease. We found that 22 out of 26 sera (84%) from patients with Graves' disease and 3 out of 20 sera (15%) from patients with Hashimoto's thyroiditis recognized it. By Western blot, these IgGs reacted with 80 kDa protein in FRTL-5 cell membrane, which co-migrated with the band stained by rabbit antibody toward NaIS. These results indicate that autoantibody against NaIS, newly identified antibody, frequently exists in patients with autoimmune thyroid disease, especially in Graves' disease.

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