Anti-thyroglobulin antibodies - Definition

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Definition


Thyroglobulin is a protein composed of iodine which is used to make and store thyroid hormones. It is fueled by the blood. When levels of thyroglobulin are too high, the body makes anti-thyroglobulin antibodies to avoid hyperthyroidism and its symptoms. When the level of antibodies is too high, this can cause auto-immune hypothyroidism of the thyroid, of which one of the forms is Hashimoto's disease which can lead to the destruction of the thyroid.