Maria Angela De Stefano, Tommaso Porcelli, Martin Schlumberger, Domenico Salvatore
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引用次数: 0
Abstract
The three deiodinase selenoenzymes are key regulators of intracellular thyroid hormone (TH) levels. The two TH-activating deiodinases (type 1 deiodinase and type 2 deiodinase (D2)) are normally expressed in follicular thyroid cells and contribute to overall TH production. During thyroid tumorigenesis, the deiodinase expression profile changes to customize intracellular TH levels to different requirements of cancer cells. Differentiated thyroid cancers overexpress the TH-inactivating type 3 deiodinase (D3), likely to reduce the TH signaling within the tumor. Strikingly, recent evidence suggests that during the late stage of thyroid tumorigenesis, D2 expression raises and this, together with a reduction in D3 expression levels, increases TH intracellular signaling in dedifferentiated thyroid cancers. These findings call into question the different functions of TH in the various stages of thyroid cancers.
期刊介绍：
Endocrine-Related Cancer is an official flagship journal of the Society for Endocrinology and is endorsed by the European Society of Endocrinology, the United Kingdom and Ireland Neuroendocrine Society, and the Japanese Hormones and Cancer Society.
Endocrine-Related Cancer provides a unique international forum for the publication of high quality original articles describing novel, cutting edge basic laboratory, translational and clinical investigations of human health and disease focusing on endocrine neoplasias and hormone-dependent cancers; and for the publication of authoritative review articles in these topics.
Endocrine neoplasias include adrenal cortex, breast, multiple endocrine neoplasia, neuroendocrine tumours, ovary, prostate, paraganglioma, parathyroid, pheochromocytoma pituitary, testes, thyroid and hormone-dependent cancers. Neoplasias affecting metabolism and energy production such as bladder, bone, kidney, lung, and head and neck, are also considered.
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