患有不同 ABO 血型的结直肠结环细胞癌的患者的分子特征
Wan-Ning Zhang1, Wei-Jie Liang2, Ying Zhang1
1State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.
Heliyon
|August 2, 2024
概括
结肠直肠结环细胞癌 (SRCC) 呈现出不同的基因组特征,受患者血型的影响. 血型O与较低的KRAS突变和较高的瘤突变负担有关,指导个性化结直肠癌治疗.
科学领域:
- 在瘤学瘤学.
- 基因组学就是基因组学.
- 癌症研究 癌症研究
背景情况:
- 结肠直肠封环细胞癌 (SRCC) 是一种罕见的结肠直肠癌 (CRC) 亚型,约占病例的1%.
- 生物标志物和SRCC的分子特征尚未确定,缺乏特定的治疗点.
- 目前对SRCC的临床治疗策略有限.
研究的目的:
- 为了研究结直肠结晶环细胞癌 (SRCC) 的基因组景观,与患者的血型有关.
- 根据遗传变异来确定SRCC的潜在生物标志物和治疗点.
- 探索SRCC和其他结直肠腺癌亚型之间的遗传改变的差异.
主要方法:
- 来自孙中山大学癌症中心的1058例结肠直肠癌 (CRC) 病例和来自癌症基因组图集项目的489例的回顾性分析.
- 包括64例SRCC病例,提取了人口统计,血型,临床变量和基因组学 (19基因或1021基因面板下一代测序) 的数据.
- 进行了单变量分析,以确定与整体存活率相关的因素.
主要成果:
- 血型O与KRAS突变的低频率,高HLA类I位异性和高瘤突变负担 (TMB) 独特相关.
- 血液组A的患者显示高频率的KRAS突变,而血液组B的患者有贫血和代谢异常,表明需要有针对性的治疗.
- 发现SRCC的遗传变化与常规腺癌和粘膜腺癌的遗传变化有显著差异.
结论:
- 对SRCC患者的基因组概况因不同血型而有所不同.
- 了解这些血型特定的基因组变化可以提高结直肠SRCC的精确治疗.
- 这项研究为SRCC的分子特征提供了洞察力,为向治疗铺平了道路.
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