发光受体和分子无受体的分子融合在ER阴性乳腺瘤中定义了一个独特的实体
Adrien Borgel1,2, Etienne Camenen3, Catherine Miquel3,4
1Université Paris Cité, Inserm, Institut de Recherche Saint Louis (IRSL), 75010, Paris, France. adrien.borgel@aphp.fr.
Breast cancer research : BCR
|December 27, 2025
概括
光线雌激素受体和分子无机乳腺癌是雌激素受体阴性乳腺癌中的一个实体. 一个经过验证的四基因签名有助于临床识别和治疗决策.
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:
- 雌激素受体阴性乳腺癌表现出临床异质性.
- 发光受体 (LAR) 和分子分泌 (MA) 乳腺癌共享雄激素信号,但使用不同的分类器.
- 目前尚不完全了解LAR和MA亚型之间的确切关系.
研究的目的:
- 为了澄清光雄激素受体和分子无分泌乳腺癌亚型之间的关系.
- 为了识别区分重叠和不一致的瘤的分子特征.
- 开发和验证基因签名,以准确地分类型.
主要方法:
- 来自多个队伍的转录和基因组数据的分析.
- 两种不同的分类系统用于分类的应用.
- 基因组的丰富,免疫解密和四个基因特征 (AR,FOXA1,SPDEF,TFF3) 的发展.
- 在各种样本类型上使用RNA测序和RT-qPCR进行验证.
主要成果:
- 在LAR和MA亚型之间发现了显著的重叠,其特点是共享的雌激素和PI3K/AKT/mTOR通路激活.
- 两种分类之间不一致的瘤显示免疫和 stromal 信号的丰富.
- 这四个基因签名在识别不同数据集和样本制备 (FFPE) 中重叠的瘤方面表现出高灵敏度和特异性.
结论:
- 发光受体和分子无性乳腺癌代表了一个统一的分子实体在更广泛的类别的雌激素受体阴性乳腺癌.
- 经过验证的四基因签名为这种亚型的临床鉴定提供了可靠的方法.
- 这种签名可能有助于改善患者的治疗分层.
更多相关视频
12:13Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients
Published on: November 19, 2019
7.2K
06:06High-Throughput Dissociation and Orthotopic Implantation of Breast Cancer Patient-Derived Xenografts
Published on: December 20, 2024
1.2K
相关概念视频
Mitogens and the Cell Cycle
7.6K
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...
7.6K
Receptor Downregulation in MVBs
2.7K
Multivesicular bodies (MVBs) are mature endosomes that sort ubiquitinated proteins and then fuse with lysosomes to degrade the sorted proteins. Epidermal growth factor (EGF) and its receptor (EGFR) form a complex that can be internalized through endocytosis, sorted into an MVB, and later degraded.
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...
2.7K
