基于cuproptosis相关的m6A的新风险模型的识别和验证,用于头部和部状细胞癌
Zhongxu Xing1, Yijun Xu1, Xiaoyan Xu1
1Department of Radiation Oncology, The First Affiliated Hospital of Soochow University, Suzhou, 21500, China.
使用32m6A调节器和与cuproptosis相关的mRNA (mcrmRNA) 的新型风险模型有效预测头部和部状细胞癌 (HNSCC) 患者的结果,并有助于个性化治疗. 这个模型提供了关于瘤突变负担和免疫微环境的见解.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 由于解剖学上的挑战和缺乏可靠的生物标志物,头部和部状细胞癌 (HNSCC) 的生存率很低.
- 型亡,一种新型调节细胞死亡途径,以及N6-甲基氨酸 (m6A) RNA修饰,都与癌症的发展和预后有关.
- 在HNSCC中,m6A调节剂和cuproptosis之间的复杂关系需要进一步研究生物标志物开发.
研究的目的:
- 使用与m6A调节器和cuproptosis基因 (mcrmRNA) 相关的信使RNA (mRNA) 开发HNSCC的预测风险模型.
- 评估模型在预测患者预后方面的有效性及其与瘤特征和免疫微环境的相关性.
主要方法:
- 利用了针对HNSCC患者的癌症基因组图谱 (TCGA) 的RNA测序和临床数据.
- 雇佣最低绝对收缩和选择运营商 (LASSO) 分析来构建风险模型.
- 使用GSE41613数据集验证了模型,并进行了基因组丰富分析 (GSEA) 和CIBERSORT用于免疫微环境评估.
主要成果:
- 一个32mcrmRNA签名通过多变量Cox分析被确定为HNSCC的独立预后指标.
- 与低风险组相比,高风险组表现出增加的瘤突变负担和明显的免疫细胞透模式.
- 风险组之间观察到药物敏感性,代谢途径和RNA处理的显著差异.
结论:
- 开发的mcrmRNA风险模型准确地预测了HNSCC患者的结果.
- 该模型为为HNSCC患者开发个性化治疗策略提供了宝贵的见解.
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