A-TPO

Anti-Thyroid Peroxidase (A-TPO) antibodies are proteins produced by the immune system. They mistakenly target thyroid peroxidase, an enzyme crucial for thyroid hormone production. High levels of A-TPO antibodies can indicate autoimmune thyroid disorders, such as Hashimoto's thyroiditis or Graves' disease. These conditions lead to either underactive or overactive thyroid function, impacting overall health.

A-TPO

Who should get tested for A-TPO antibodies?

Individuals with symptoms of thyroid dysfunction, a family history of thyroid disease, or other autoimmune conditions should consider A-TPO testing.

What does a high A-TPO level indicate?

High A-TPO levels often indicate an autoimmune thyroid disorder, such as Hashimoto’s thyroiditis or Graves’ disease, where the immune system attacks the thyroid.

Is it possible to have high A-TPO levels without having a thyroid disorder?

Rarely, individuals may have elevated A-TPO levels without clear signs of thyroid disease, but it usually warrants further monitoring and evaluation.

Can A-TPO levels change over time?

Yes, A-TPO levels can fluctuate, especially in response to thyroid disease progression or treatment.

Test(s) that measure/test for A-TPO

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