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相关概念视频

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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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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相关实验视频

Updated: May 27, 2025

Establishment and Characterization of Patient-Derived Xenograft Models of Anaplastic Thyroid Carcinoma and Head and Neck Squamous Cell Carcinoma
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对于差异化甲状腺癌的甲状腺分化概况.

Anthony J McGoron1, Jose M Garcia2, Burulça Uluvar3

  • 1Florida International University, College of Engineering and Computing, Miami, Florida, USA.

Endocrine oncology (Bristol, England)
|February 19, 2025
PubMed
概括

在差异化甲状腺癌中放射性 (RAI) 治疗的有效性与摄入有关. 这项研究发现RAI相关基因的显著下调,特别是在BRAF突变癌症中,影响了治疗计划.

关键词:
这就是BRAF.埃尔克·埃尔克是什么意思通过MAPK路径.这是一个RAI耐火器.拉斯拉斯拉斯拉斯拉斯拉斯拉斯拉斯拉斯这里是TKI TKI.有差异化的甲状腺癌.皮囊性甲状腺癌是什么?放射性是一种放射性.重新区分,重新分化甲状腺癌是一种癌症.甲状腺分化得分的分数铁氨酸激酶是一种氨酸酶.

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相关实验视频

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科学领域:

  • 在瘤学瘤学.
  • 分子生物学分子生物学
  • 遗传学 是一个遗传学.

背景情况:

  • 放射性 (RAI) 治疗是差异化甲状腺癌的基石.
  • 治疗成功取决于瘤缩的能力,是特定基因表达的一个功能.
  • 甲状腺分化评分 (TDS) 量化了与分化相关的蛋白质,与RAI-折射性有关.

研究的目的:

  • 评估甲状腺代谢学特异性基因的mRNA表达在正常和瘤甲状腺组织的配对中.
  • 为了比较正常甲状腺组织和乳头甲状腺癌 (PTC) 之间的基因表达模式.
  • 研究特定突变 (BRAF,RAS) 对RAI相关基因表达的影响.

主要方法:

  • 从癌症基因组图谱 (TCGA) 中分析了59个乳头甲状腺癌样本,并与瘤正常组织匹配.
  • 评估甲状腺代谢学特异性基因的mRNA表达.
  • 根据BRAF V600E,RAS或其他突变对样本进行分类.

主要成果:

  • 与正常组织相比,在PTC中观察到RAI神经转录组的显著下调.
  • 下调在BRAF引发的癌症中比RAS引发的癌症更为明显.
  • 突变类别内的基因表达的异质性表明,对甲状腺分化特征 (TDP) 的个体评估至关重要.

结论:

  • 甲状腺分化概况 (TDP) 评估对于计划RAI治疗具有临床意义.
  • 开发一种治疗性TDS可能有助于临床决策对于甲状腺切除术的程度和术后RAI治疗.
  • 了解基因表达模式可以优化RAI治疗策略对差异化甲状腺癌.