在患有乳头甲状腺癌的患者中,BRAF V600E突变和死亡率之间的关联
Mingzhao Xing1, Ali S Alzahrani, Kathryn A Carson
1Laboratory for Cellular and Molecular Thyroid Research, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA. mxing1@jhmi.edu
JAMA
|April 11, 2013
概括
BRAF V600E突变与乳头甲状腺癌 (PTC) 的较高死亡率有关. 然而,这种关联并非独立于瘤特征,这表明需要对BRAF V600E进行进一步研究.
科学领域:
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
- 病理学 病理学 病理学
背景情况:
- 在乳头甲状腺癌 (PTC) 中,BRAF V600E 瘤基因普遍存在.
- 与PTC特异性死亡率相关的BRAF V600E突变的预后意义仍然不清楚.
研究的目的:
- 调查BRAF V600E突变与乳头甲状腺癌患者的死亡率之间的联系.
主要方法:
- 一项回顾性研究包括来自7个国家的13个中心的1849名PTC患者.
- 数据是在1978年至2011年期间收集的,随访时间中位数为33个月.
- 与PTC相关的死亡是主要的结果指标.
主要成果:
- 与突变阴性患者 (1.1%) 相比,BRAF V600E阳性患者的PTC相关死亡率显着更高 (5.3%).
- 在BRAF V600E阳性患者中,调整后的死亡风险比为所有PTC患者的2.66和常规变种的3.53.
- 这种关联在调整瘤特征如转移和入侵时失去了统计意义.
结论:
- BRAF V600E突变与PTC相关的死亡率增加有关.
- 然而,这种关联与瘤特征并不独立,其在控制死亡风险方面的作用需要进一步研究.
- 这些发现凸显了对BRAF V600E在PTC中的状态的预后和治疗影响的进一步研究的需要.
相关概念视频
mTOR Signaling and Cancer Progression
The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
The mTOR pathway or the...
The Retinoblastoma Gene
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,...
Abnormal Proliferation
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
Cancer Survival Analysis
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...


