Thyrotropin Receptor Antibody Blood Test

Thyrotropin Receptor Antibody Blood Test

Quick Overview

Diagnosis of hyperthyroidism and Graves' disease.




Test #5738

$196.00

Availability: In stock

Also Known As TRab, TSH Receptor Antibody
Preparation

No special preparation required. 

Test Results 5-7 days. May take longer based on weather, holiday or lab delays.

Thyrotropin-receptor antibody is an autoantibody to the thyroid cell receptor for thyroid-stimulating hormone. It can be demonstrated in 90% of patients with Graves' disease and is the cause of the hyperthyroidism of that condition. The characterization of TRA resolved much confusion about long-acting thyroid stimulator (LATS) and LATS protector, which are both, in fact, thyroid-stimulating autoantibodies which simply behaved differently in animal test systems. These antibodies are present in 50% of euthyroid Graves' disease as well as hyperthyroid patients. They play a major role in the pathogenesis of Graves' disease. Detection of these antibodies is useful in prediction of neonatal hyperthyroidism and prediction of relapse of hyperthyroidism.

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