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Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
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Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
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Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
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Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
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Established Facts Resistance to thyroid hormone (RTHβ) syndrome is caused by dominant negative variants in the THRB gene. Pathogenic variants recur within 3 hot spots in the ligand-binding domain involving the amino acid
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EA 4340, Université Versailles Saint Quentin en Yvelines, UFR Simone Veil Santé, Montigny le Bretonneux, France
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EA 4340, Université Versailles Saint Quentin en Yvelines, UFR Simone Veil Santé, Montigny le Bretonneux, France
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What Is Known about This Topic? Both Graves’ disease and autoimmune hypothyroidism were described in patients with resistance to thyroid hormone beta (RTHβ). Undiagnosed RTHβ can lead to misdiagnosis of Graves’ disease. The
Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois, USA
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Department of Pediatrics, University of Chicago, Chicago, Illinois, USA
Committee on Genetics, University of Chicago, Chicago, Illinois, USA
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beta (RTHβ). A region encompassing codons 384–425 of THRB is virtually devoid of RTHβ-causing mutations and was termed “cold region.” What Does This Case Report Add? Although the G385E variant was identified in an individual in
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rare cause of hyperthyroidism that includes TSH-secreting pituitary adenomas (TSHoma) and resistance to thyroid hormone β (RTHβ). When the thyroid hormone level rises and the TSH concentration is not inhibited, the diagnosis of central hyperthyroidism
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levels of TH in mothers with resistance to thyroid hormone beta (RTHβ). This dominantly inherited disorder is characterized by reduced responsiveness to TH caused by mutations of the THRB gene. Affected individuals are mostly asymptomatic despite high
Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
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Endocrine Section, Beacon Hospital, Dublin, Ireland.
School of Medicine, University College Dublin, Ireland
Endocrinology Department, St Vincent’s University Hospital, Dublin, Ireland
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hormone action via nuclear receptors ( 1 , 2 , 3 ). Accordingly, these guidelines focus on the diagnosis and management of genetic disorders of thyroid hormone transport, metabolism, and action comprising resistance to thyroid hormone β (RTHβ
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Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
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Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
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eutopic thyroid gland ( 1 ). The concomitant occurrence of CH and resistance to thyroid hormone syndrome type β (RTHβ) are exceptional, since only five patients have been described so far, and only in four patients, a mutation in the THRB gene has been
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the ligand-binding domain of THRB are associated with resistance to TH (RTHβ). RTHβ is characterized by high serum TH levels in combination with nonsuppressed thyroid-stimulating hormone (TSH). The syndrome may comprise goiter, tachycardia, and
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Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
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Urinary loss of transport protein Nephrotic syndrome Resistance to L-T4 (normalization of the TSH possible only with high fT4/fT3) Congenital hypothyroidism RTHβ TSH-oma RETH (transient or permanent): not fully characterized
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thyroid hormone receptor beta gene (resistance to thyroid hormone β – RTHβ) are more susceptible to AF due to lifelong exposure to thyroid hormones. Cardiomyocytes predominately express thyroid receptor alpha, and therefore patients with RTHβ preserve