机器学习识别了9个外体RNA的签名,可以预测肝细胞癌
Josephine Yu Yan Yap1,2, Laura Shih Hui Goh1, Ashley Jun Wei Lim1
1Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore.
Cancers
|July 29, 2023
概括
机器学习识别了九种外体RNA来预测肝细胞癌 (HCC). 这些微侵袭性生物标志物对早期HCC检测有希望,其表现优于传统标志物,如α胎儿蛋白 (AFP).
科学领域:
- 在瘤学瘤学.
- 生物标志物发现发现
- 生物信息学是一种生物信息学.
背景情况:
- 肝细胞癌 (HCC) 是全球癌症死亡的主要原因.
- 阿尔法胎儿蛋白 (AFP) 是一种常见的,但往往不够敏感/特定的HCC生物标志物.
- 外体RNA为癌症诊断提供了一个新的途径,但其在HCC中的作用需要进一步调查.
研究的目的:
- 在外体RNA数据上使用机器学习识别HCC的预测特征.
- 评估外体RNA作为HCC的最小侵入性生物标志物的诊断潜力.
主要方法:
- 机器学习分析了来自118名HCC患者和112名健康对照者的114,602个外体RNA.
- 使用排列重要性和预测模型验证与支持矢量机 (SVM) 分类器进行特征选择.
- 在一个看不见的测试集中,对六个模型中的九个已识别的预测特征进行了评估.
主要成果:
- 鉴定出9种外体RNA的特征可以预测HCC.
- 这些生物标志物主要与免疫,血小板/中性粒细胞和细胞骨通路有关.
- 在一个看不见的测试组中,识别的特征显示出强大的预测性能 (ROC-AUC 0.79-0.88).
结论:
- 这九种已识别的外体RNA显示出潜在的临床有用性,用于检测HCC的最小侵入性生物标志物.
- 这种外体RNA特征为当前的HCC诊断方法提供了一个有前途的替代方案或补充.
- 需要进一步的临床验证,以确定这些外体RNA生物标志物在HCC管理中的有用性.
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