相关实验视频
Updated: Jun 21, 2025
07:50
Genome-Wide Analysis of DNA Methylation in Gastrointestinal Cancer
Published on: September 18, 2020
5.5K
胃癌中的ERBB2放大:对种族差异的基因组洞察
Muhammad Bilal Mirza1, Jungyoon Choi2, Paula Marincola Smith1
1Division of Surgical Oncology and Endocrine Surgery, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, USA.
Journal of the National Cancer Institute
|July 11, 2024
概括
西班牙裔个体在胃腺癌 (GC) 中表现出更高的ERBB2/HER2放大率. 基因组因素有助于GC差异,强调需要公平获得基因组分析和向治疗.
科学领域:
- 在瘤学瘤学.
- 基因组学就是基因组学.
- 健康差异 在健康上的差异
背景情况:
- 胃腺癌 (GC) 发病率正在下降,但种族和民族差异仍然存在.
- 被诊断患有GC的西班牙裔/拉丁裔个人更年轻,结果更差.
- 不同种族/种族群体对GC生物学的有限理解.
研究的目的:
- 通过种族/种族来评估初级胃腺癌中的瘤基因组模式.
- 调查基因组因素在观察到的GC差异中的作用.
主要方法:
- 分析了来自1019名初级GC患者的瘤基因组数据.
- 利用了美国癌症研究协会 (AACR) 项目GENIE联盟的数据.
- 在西班牙裔和非西班牙裔种族/族群中比较基因组模式.
主要成果:
- 与其他群体相比,西班牙裔个体的ERBB2/HER2放大率显著更高 (13.9%).
- 调整后的模型显示,西班牙裔患者的ERBB2放大率是非西班牙裔白人患者的2.52倍.
- 总体比较的P < .001 ,调整后的FDR q < .001 .
结论:
- 基因组因素在胃腺癌差异中起着至关重要的作用.
- 公平地获得基因组分析是必不可少的.
- 针对 HER2 过度表达的 GC 的向疗法,如 trastuzumab,可以减轻差异并改善结果.
相关概念视频
01:20The Retinoblastoma Gene
4.1K
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
4.1K
02:38Mitogens and the Cell Cycle
6.4K
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
6.4K