在乳腺癌中临床显著的BRCA1和BRCA2生殖系变异 - - 一个单一中心的经验
Răzvan Mihail Pleșea1,2, Anca-Lelia Riza1,2, Ana Maria Ahmet3
1Regional Centre of Medical Genetics Dolj, Emergency County Hospital Craiova, 200642 Craiova, Romania.
基因检测显示,15.5%的乳腺癌患者携带BRCA1/2致病变体. 与BRCA2携带者相比,BRCA1携带者发展出更具攻击性的瘤,为区域查策略提供了信息.
科学领域:
- 遗传学 遗传学 是一个
- 在瘤学瘤学.
- 流行病学 流行病学
背景情况:
- 在BRCA1/2基因的生殖系变异与严重的健康状况有关.
- 早期发现BRCA1/2携带者身份对于有效的乳腺癌管理至关重要.
- 需要迅速识别BRCA1/2致病变体 (PVs) 和可能致病变体 (LPVs).
研究的目的:
- 确定Dolj地区的乳腺癌 (BC) 患者BRCA1/2 PVs/LPVs的频率.
- 分析BRCA1/2载体状态和瘤分子亚型之间的关联.
- 为制定国家乳腺癌查战略提供流行病学数据.
主要方法:
- 在58名BC患者身上使用AmpliSeq for Illumina BRCA小组进行遗传测试.
- 免疫组织化学分析 (HER2,ER,PR,Ki-67) 用于确定瘤分子亚型.
- 使用 χ2 测试和费舍尔精确测试进行统计分析.
主要成果:
- 15.5%的患者携带BRCA1或BRCA2的PV/LPV.
- 在BRCA1携带者中,突发性瘤占主导地位.
- 携带BRCA2的携带者往往会出现低度瘤.
结论:
- 在研究的BC患者队列中,BRCA基因PV显著频繁.
- 与BRCA2 PVs相比,BRCA1 PVs与更具侵略性的瘤表型有关.
- 这些发现有助于区域流行病学数据,并为乳腺癌查策略提供信息.
更多相关视频
08:15gDNA Enrichment by a Transposase-based Technology for NGS Analysis of the Whole Sequence of BRCA1, BRCA2, and 9 Genes Involved in DNA Damage Repair
Published on: October 6, 2014
09:22Functional Assessment of BRCA1 variants using CRISPR-Mediated Base Editors
Published on: February 28, 2021
相关概念视频
Cancers Originate from Somatic Mutations in a Single Cell
Cancer-Critical Genes II: Tumor Suppressor Genes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Cancers Originate from Somatic Mutations in a Single Cell
Cancer-Critical Genes II: Tumor Suppressor Genes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
