相关实验视频
Updated: Jan 27, 2026

An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma
Published on: April 17, 2013
用大型多机构数据库对甲状腺瘤的基因组表征
Beau Hsia1, Roshan Dongre2, Vinay D Veluvolu3
1Creighton University School of Medicine, Phoenix, Arizona, USA.
甲状腺瘤 (OCA) 的体性突变揭示了频繁的TERT促进体变异和与性别和转移相关的独特模式. 这些发现为这种罕见的癌症提供了新的治疗点.
科学领域:
- 在瘤学瘤学.
- 基因组学就是基因组学.
- 分子生物学分子生物学
背景情况:
- 甲状腺瘤 (OCA) 是一种罕见的甲状腺恶性瘤.
- 了解其基因组景观对于确定治疗点和阐明瘤生物学至关重要.
研究的目的:
- 用一个大型的多机构数据库来描述OCA的体质突变.
- 确定潜在的治疗点,并获得对OCA瘤生物学的洞察力.
主要方法:
- 来自AACR GENIE数据库的130个OCA样本 (124名患者) 的基因组数据的回顾性分析.
- 专注于通过全基因组,全外基因组或向面板测序识别的非同义体内突变.
- 统计评估突变频率,性别特异性丰富,转移性状态丰富以及共发生/相互排他性模式.
主要成果:
- TERT (33.1%,促进子突变),TP53 (20.0%),DAXX (16.2%),KMT2D (13.1%),NF1 (12.3%) 和PTEN (10.0%) 是最常发生突变的基因.
- 显著的性别特异性突变:女性的MST1R (10.7%) 和男性的PRKDC (16.7%).
- 在转移样本中,MEN1和TSC2的突变得到了丰富;DAXX和CDKN1A的同时发生,而TERT和DAXX突变是相互排斥的.
结论:
- OCA的基因组概况的特点是频繁的TERT促进子突变和与性别和转移状态相关的独特模式.
- 确定了潜在的分子亚型和驱动转移的途径 (MEN1/TSC2).
- 发现了新的性别特异性变化 (MST1R,PRKDC),为向治疗铺平了道路.
更多相关视频
04:01Transoral Robotic Total Thyroidectomy and Bilateral Central Regional Lymph Node Dissection for Papillary Thyroid Carcinoma
Published on: September 15, 2023
06:08Establishment and Characterization of Patient-Derived Xenograft Models of Anaplastic Thyroid Carcinoma and Head and Neck Squamous Cell Carcinoma
Published on: June 2, 2023
相关概念视频
Genomics
Genomic Imprinting and Inheritance
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
The Thyroid Gland
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
Functions of Thyroid Hormones
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...
Genome Size and the Evolution of New Genes
Synthesis and Regulation of Thyroid Hormones
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...