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Muscle Nerve. 2005 Jul;32(1):95-8.

TSH receptor protein is selectively expressed in normal human extraocular muscle.

Author information

1
Clinical Pharmacology and Therapeutics Unit, Department of Medicine, University of Melbourne, Austin Health, Heidelberg, Victoria 3084, Australia.

Abstract

Thyroid-associated ophthalmopathy is a common manifestation of Graves' disease. Its pathophysiology is not well understood but an antigen shared between the thyroid and orbit is thought to play a role. Using immunohistochemistry, we have demonstrated the presence of the autoantigenic target of Graves' disease, the thyroid-stimulating hormone receptor, in normal human extraocular muscle. These results support previous findings of the full length and splice variant thyroid-stimulating hormone receptor cDNA in extraocular muscle. The observation of the autoimmune target--the thyroid-stimulating hormone receptor protein--being shared between the thyroid and extraocular muscle lends greater support to the notion that an extraocular muscle thyroid-stimulating hormone receptor is also a likely target autoantigen in thyroid-associated ophthalmopathy.

PMID:
15779008
DOI:
10.1002/mus.20315
[Indexed for MEDLINE]

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