Human Thyroglobulin Analyte Overview

Human Thyroglobulin

Also known as Tg

Thyroglobulin (Tg) is a glycoprotein produced by the follicular cells of the thyroid. Tg is used entirely within the thyroid gland as a substrate for the synthesis of the hormones thyroxine and triiodothyronine. Unused Tg is stored within the follicular colloid of the gland. Tg levels can serve as a tumor marker of papillary and follicular thyroid cancer. Elevated levels of anti-Tg antibodies may be indicative of Graves disease.

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