• Source: Thyroid hormone receptor beta

      • Thyroid hormone receptor beta (TR-beta) also known as nuclear receptor subfamily 1, group A, member 2 (NR1A2), is a nuclear receptor protein that in humans is encoded by the THRB gene.


      Function


      The protein encoded by this gene is a nuclear hormone receptor for triiodothyronine (T3). It is one of the several receptors for thyroid hormone, and has been shown to mediate the biological activities of thyroid hormone. Knockout studies in mice suggest that the different receptors, while having certain extent of redundancy, may mediate different functions of thyroid hormone. Defects in this gene are known to be a cause of generalized thyroid hormone resistance (GTHR), a syndrome characterized by goiter and high levels of circulating thyroid hormone (T3-T4), with normal or slightly elevated thyroid stimulating hormone (TSH). Several transcript variants have been observed for this gene, but the full-length nature of only one has been observed so far.


      Interactions


      Thyroid hormone receptor beta has been shown to interact with:


      References




      Further reading



      This article incorporates text from the United States National Library of Medicine, which is in the public domain.

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