晚期前列腺癌的异质性和克隆进化分析与割耐药性
1Department of Urology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200025, China.
Journal of translational medicine
|September 19, 2023
概括
抗雄激素剥夺疗法 (ADT) 改变了晚期前列腺癌中的基因突变模式. 了解克隆进化,特别是同质与异质起源,可以预测治疗耐药性并改善无进展生存率 (PFS).
科学领域:
- 在瘤学瘤学.
- 遗传学 遗传学 是一个
- 癌症研究 癌症研究
背景情况:
- 在中国,晚期和转移性前列腺癌的发病率正在上升.
- 安卓素剥夺疗法 (ADT) 是主要的治疗方法,但耐药性 (CRPC) 是常见的.
- 对接受ADT的东亚患者进行的研究有限.
研究的目的:
- 分析ADT前后的中国前列腺癌患者的基因突变模式和克隆进化.
- 确定与ADT耐药性相关的遗传因素,并预测无进展生存率 (PFS).
主要方法:
- 来自五名中国患者的ADT前后瘤样本的全外体测序.
- 对瘤异质性,克隆进化,瘤突变负担 (TMB) 和副本数量改变 (CNA) 的分析.
主要成果:
- ADT显著改变了基因突变模式和异质性.
- 瘤突变负担 (TMB) 和拷贝数变化 (CNA) 在治疗后减少.
- 同质起源的克隆模型显示PFS比异质模型更短,可能与MUC7/MUC5B突变有关;ZNF91突变可能赋予ADT耐药性.
结论:
- 遗传调节者和克隆进化模式为晚期前列腺癌中割抵抗提供了洞察力.
- 克隆进化和瘤微环境之间的相互作用可能会影响耐药性.
- 为了验证,需要进一步的多中心研究,对较大群体进行验证.
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
6.9K
06:44Generation of Prostate Cancer Cell Models of Resistance to the Anti-mitotic Agent Docetaxel
Published on: September 8, 2017
13.4K
相关概念视频
Cancer Survival Analysis
381
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
381
Tumor Progression
6.4K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
6.4K
