Unfavorable effects of hyperprolactinemia in autoimmune endocrine disorders.

: Prolactin is a hormone with a multidirectional proinflammatory action. It has an anti-apoptotic effect, enhances proliferative response to antigens and mitogens, as well as enhances the production of immunoglobulins and autoantibodies. Increased prolactin levels are commonly observed in various organ and multi-organ specific autoimmune diseases. In our article, we report a case of a woman who developed progression of autoimmune thyroid disorder and developed insufficiency of the zona glomerulosa when her prolactin levels were increased. A normalization of plasma prolactin levels by quinagolide and replacement of risperidone with aripiprazole improved her clinical condition. Our study suggests that, in some patients, hyperprolactinemia may predispose to the development and progression of autoimmune disorders of endocrine glands.

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