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相关概念视频

Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

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The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
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The Thyroid Gland01:23

The Thyroid Gland

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
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Transducer Mechanism: Nuclear Receptors01:31

Transducer Mechanism: Nuclear Receptors

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Nuclear receptors, or NRs, are unique transcription factors that regulate gene transcription and affect the cellular pathways involved in reproduction, development, or metabolism. Their ability to be stimulated by small lipophilic ligands and control vital cellular processes makes them ideal drug targets. Nearly 10-15% of currently prescribed drugs target these receptors.
About 48 different soluble family members of nuclear receptors are identified that can be divided into two main classes:
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Types of Hormones02:13

Types of Hormones

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Hormones can be classified into three main types based on their chemical structures: steroids, peptides, and amines. Their actions are mediated by the specific receptors they bind to on target cells.
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Antiarrhythmic Drugs: Class III Agents as Potassium Channel Blockers01:12

Antiarrhythmic Drugs: Class III Agents as Potassium Channel Blockers

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Class III antiarrhythmic drugs are a group of medications that can prolong action potentials in the heart. They achieve this by blocking potassium channels or enhancing inward currents from sodium channels. However, these drugs have a unique property of "reverse use-dependence," which is most pronounced at slower heart rates and can lead to torsades de pointes—a specific type of arrhythmia. However, it is essential to note that excessive QT interval prolongation—a measure of...
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相关实验视频

Updated: Sep 15, 2025

Author Spotlight: In Vivo Assessment of Thyroid Hormone Disruption Using the THAI Mouse Model
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甲状腺激素类似物:最近的发展

Matthijs E T Freund1, Floor van der Most1, Stefan Groeneweg1,2

  • 1Department of Internal Medicine, Academic Center for Thyroid Diseases, Erasmus Medical Center, Rotterdam, The Netherlands.

Thyroid : official journal of the American Thyroid Association
|July 14, 2025
PubMed
概括
此摘要是机器生成的。

甲状腺激素类似物在治疗与代谢功能障碍相关的脂肪肝炎和罕见遗传疾病方面表现有前途. 最近的批准突出了组织特异性药物开发的进步,以提高治疗结果.

关键词:
马什 (MASH) 是一个非常重要的产品.这是一个MCT8缺陷.这里是resmetiromirom的位置.甲状腺激素类似物 甲状腺激素类似物组织特异性 组织特异性这里是Triac,Triac是Triac. 这里是Triac.

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An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma
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相关实验视频

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科学领域:

  • 内分泌学和新陈代谢学
  • 药理学 药理学是指药理学的学科.
  • 遗传学 是一个遗传学.

背景情况:

  • 甲状腺激素受体 (TR) 信号影响大多数人体组织,使TRs成为治疗点.
  • 甲状腺激素类似物正在开发中,用于代谢障碍和遗传疾病.
  • 最近的批准表明,自2020年以来,甲状腺激素模拟疗法取得了进展.

研究的目的:

  • 提供关于2020年以来甲状腺激素类型的发展的最新信息.
  • 审查在代谢疾病和遗传疾病中的治疗应用.
  • 讨论提高器官特异性的策略.

主要方法:

  • 审查临床试验和最近批准的甲状腺激素类似物.
  • 对代谢功能障碍相关的脂肪肝炎 (MASH) 的治疗策略的分析.
  • 检查治疗遗传甲状腺激素信号障碍的方法,如RTHβ和MCT8缺乏.

主要成果:

  • MGL-3196 (resmetirom) 已批准用于MASH治疗,显示肝脏脂肪,纤维化和脂质的改善.
  • VK2809正在对MASH进行调查,该MASH旨在进行肝脏特异性前药物转化.
  • 对于罕见的RTHβ和MCT8缺乏症,Triac获得批准,在遗传性疾病中显示出有效性.

结论:

  • 加强器官特异性至关重要,涉及TR特异性和组织选择性激活机制.
  • 最近批准的两种甲状腺激素类似物表明了未来发展的积极前景.
  • 有针对性的策略承诺将甲状腺激素类似物在医学中的应用范围扩大.