相关实验视频

Updated: Jan 10, 2026

Validated Immunochemical Assay for Comprehensive Determination of the Human Epidermal Growth Factor Receptor 2 Released from and Bound to Cells

Validated Immunochemical Assay for Comprehensive Determination of the Human Epidermal Growth Factor Receptor 2 Released from and Bound to Cells

Published on: May 9, 2025

晚期非p53abn子宫内膜癌中的HER2免疫活性:与临床特征,预后和分子特征的关联

Yining Zhen¹, Yinbo Xiao¹, Yang Zhou¹

¹Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China.

Pathology, research and practice

|November 28, 2025

概括

人类表皮生长因子受体2 (HER2) 在没有p53异常的晚期子宫内膜癌 (EC) 中的测试显示了重要的发现. 在这些病例中的16.7%中发现的HER2 2+/3+免疫活性,在清细胞癌中尤为普遍,可能表明一个不同的分子子组.

科学领域:

在瘤学瘤学.
分子病理学分子病理学
妇科癌症妇科癌症

背景情况:

人类表皮生长因子受体2 (HER2) 是子宫内膜癌 (EC) 的关键治疗点.
目前的指导方针优先考虑在p53异常 (p53abn) 瘤中进行HER2检测,可能忽视其在非p53abn病例中的重要性.
这项研究调查了HER2表达在高级非p53abn EC中的患病率和临床相关性.

研究的目的:

为了确定HER2免疫活性在先进的非p53abn子宫内膜癌中的发生率.
评估HER2表达在该患者队列中的临床和分子关联.
评估HER2测试在p53abn瘤之外在EC管理中的潜在作用.

主要方法:

在128个先进的EC患者样本上进行了HER2免疫组织化学和下一代测序.
临床病理特征,生存数据和分子变化与HER2表达水平相关分析.
在非p53abn队列中,在HER2阳性和HER2阴性组之间进行了统计比较.

主要成果:

在16.7%的高级非p53abn EC病例中观察到HER2 2+/3+免疫活性.
清晰细胞癌 (CCC) 显示HER2 2+/3+ (54.5%) 的高频率,并与附录性转移有关.
在无特异分子形状 (NSMP) 亚组中,HER2 2+/3+与较差的整体和无进展生存率相关.
与HER2 1+病例相比,HER2 2+/3+非p53abnEC中KRAS突变的发生频率较低.

结论:

HER2 2+/3+免疫活性存在于一个显著的高级非p53abn EC子集中,特别是在CCC中.
这些发现强调了考虑在非p53abn EC中进行HER2测试的临床重要性.
HER2状态可能有助于识别不同的分子亚型,并指导EC治疗策略.

关键词:

宫内膜癌 (Endometrial carcinoma) 是一种子宫内膜癌.在HER2中,HER2是HER2.分子子类型的分子.没有p53abn的

更多相关视频

Optimization of a Multiplex RNA-based Expression Assay Using Breast Cancer Archival Material

Optimization of a Multiplex RNA-based Expression Assay Using Breast Cancer Archival Material

Published on: August 1, 2018

Building Up a High-throughput Screening Platform to Assess the Heterogeneity of HER2 Gene Amplification in Breast Cancers

Building Up a High-throughput Screening Platform to Assess the Heterogeneity of HER2 Gene Amplification in Breast Cancers

Published on: December 5, 2017

相关概念视频

Mitogens and the Cell Cycle

Mitogens and the Cell Cycle

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...