Thyroglobulin Antibody ATA Serum - TG Test

Thyroglobulin - TG Test Overview

Thyroglobulin (TG) is a protein formed in thyroid gland and serves as a substrate for synthesis of thyroid hormones. 
Thyroglobulin antibodies (ATA) thus prevent formation of thyroid hormone leading to hypothyroidism. These antibodies are hallmark of Hashimoto thyroiditis but can be seen in Graves' disease also. 

Thyroglobulin Antibody ATA Serum is a laboratory test. It is used to measure the level of thyroglobulin antibodies in the body. The body's immune system comes across an antigen related to the thyroid gland. Then it makes these antibodies.

The level of thyroglobulin antibodies in the serum can show if someone has autoimmune thyroid disease. The doctor usually orders the test when a person has signs and symptoms of autoimmune thyroid disease. A doctor may also order the test if the TSH level is too high or too low or to check on how well thyroid therapy works.

What is Thyroglobulin Antibody ATA Serum?

Thyroglobulin Antibody ATA serum, or ATA, is a type of antibody made by the body in response to the presence of thyroglobulin. Thyroglobulin is a protein found in the thyroid. ATA is a sign of thyroid autoimmunity. It occurs when the immune system attacks the thyroid gland instead of the body's cells. When the serum has a lot of ATA, it can mean that the body is making autoantibodies that attack the thyroid gland. This is called an autoimmune disorder.

It is important to note that ATA levels can vary from person to person. They may not always indicate an autoimmune disorder. Testing for ATA is important for diagnosing and monitoring autoimmune thyroid disorders.

What does a Thyroglobulin Antibody ATA Serum test do?

Thyroglobulin Antibody ATA Serum Test is a blood test used to detect antibodies in the body's immune system. It is used to diagnose Hashimoto's, Grave's, and other autoimmune thyroid diseases.

• This test measures the amount of thyroglobulin antibody in a patient’s serum.

• A positive result indicates an autoimmune thyroid disease such as Hashimoto’s or Graves.

• The test is used to see how well the treatment works. It is also to ensure that the thyroid hormone levels are right.

• It can also be used to diagnose an autoimmune thyroid disease in a patient who is not yet showing any symptoms or has other medical conditions that could interfere with the accuracy of the test.

Written by: Dr Vishal Wadhwa, M.D, D.N.B Microbiology, Medical Affairs