{"title":"Towards a treatment for thyroid hormone transporter MCT8 deficiency: achievements and challenges.","authors":"Boyka Markova, Steffen Mayerl, Heike Heuer","doi":"10.1530/ETJ-24-0286","DOIUrl":null,"url":null,"abstract":"<p><p>Patients with an inactive thyroid hormone (TH) transporter MCT8 (Allan-Herndon-Dudley Syndrome, AHDS) display severe neurological impairments and motor disabilities indicating an indispensable function of MCT8 in facilitating TH access to the human brain. As a consequence, the CNS of AHDS patients appears to be in a TH deficient state which greatly compromises proper neural development and function. As another hallmark of this disease, patients exhibit elevated serum T3 levels leading to a hyperthyroid situation in peripheral tissues. Several treatment strategies have been developed and evaluated in preclinical mouse models as well as in patients. Here, we discuss these different therapeutic approaches to overcome MCT8 deficiency and summarize the current achievements and challenges in improving brain maturation in the absence of MCT8.</p>","PeriodicalId":12159,"journal":{"name":"European Thyroid Journal","volume":null,"pages":null},"PeriodicalIF":3.5000,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Thyroid Journal","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1530/ETJ-24-0286","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENDOCRINOLOGY & METABOLISM","Score":null,"Total":0}
引用次数: 0
Abstract
Patients with an inactive thyroid hormone (TH) transporter MCT8 (Allan-Herndon-Dudley Syndrome, AHDS) display severe neurological impairments and motor disabilities indicating an indispensable function of MCT8 in facilitating TH access to the human brain. As a consequence, the CNS of AHDS patients appears to be in a TH deficient state which greatly compromises proper neural development and function. As another hallmark of this disease, patients exhibit elevated serum T3 levels leading to a hyperthyroid situation in peripheral tissues. Several treatment strategies have been developed and evaluated in preclinical mouse models as well as in patients. Here, we discuss these different therapeutic approaches to overcome MCT8 deficiency and summarize the current achievements and challenges in improving brain maturation in the absence of MCT8.
期刊介绍：
The ''European Thyroid Journal'' publishes papers reporting original research in basic, translational and clinical thyroidology. Original contributions cover all aspects of the field, from molecular and cellular biology to immunology and biochemistry, from physiology to pathology, and from pediatric to adult thyroid diseases with a special focus on thyroid cancer. Readers also benefit from reviews by noted experts, which highlight especially active areas of current research. The journal will further publish formal guidelines in the field, produced and endorsed by the European Thyroid Association.
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