<unk>  is a frequent epitope of autoantibodies in autoimmune thyroid disease, with such antibodies being called anti-thyroid<unk>  antibodies (anti-TPO antibodies). This is most commonly associated with Hashimoto's thyroiditis. Thus, an antibody titer can be used to assess disease activity in patients that have developed such antibodies.
Thyroid peroxidase
Alpha-fetoprotein
Parathyroid hormone-related protein
Parathyroid hormone
Thyroglobulin
Mammaglobin
Androgen prohormone
Carcinoembryonic antigen