Development and validation of a predictive model based upon extracellular vesicle-derived transposable elements for non-invasive detection of pancreatic adenocarcinoma

被引:0
作者
Liang, Yueting [1 ]
Sui, Xin [1 ]
Li, Shuai [1 ]
Peng, Haoxin [2 ]
Jiang, Wenyi [1 ]
Jia, Minqi [1 ]
Jiang, Shaoran [1 ]
Wang, Weihu [1 ]
Teng, Huajing [1 ]
机构
[1] Peking Univ Canc Hosp & Inst, Dept Radiat Oncol, Key Lab Carcinogenesis & Translat Res, Minist Educ Beijing, Beijing 100142, Peoples R China
[2] Peking Univ Canc Hosp & Inst, Dept Gastrointestinal Oncol, Key Lab Carcinogenesis & Translat Res, Minist Educ Beijing, Beijing 100142, Peoples R China
基金
北京市自然科学基金; 中国国家自然科学基金;
关键词
Diagnostic biomarker; Transposable element; Pancreatic adenocarcinoma; Extracellular vesicle; CANCER;
D O I
10.1186/s40364-025-00770-6
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Pancreatic adenocarcinoma (PAAD) is a highly lethal malignancy that leads to patients missing optimal treatment opportunities due to its atypical clinical symptoms and the lack of effective diagnostic biomarkers. To develop a biomarker panel based on extracellular vesicle-derived transposable elements (EV-TEs) for non-invasive detection of PAAD, we analyzed 6.75 Tbp sequencing data of 852 EV-derived transcriptomes from two cohorts, and identified 31 EV-TEs features as the biomarker panel using recursive feature elimination. Predictive model constructed using the Support Vector Machine (SVM) algorithm demonstrated excellent performance for PAAD detection in the training set (AUC: 0.90, 95% CI: 0.86-0.93), the test set (AUC: 0.86, 95% CI: 0.79-0.92) and the independent external validation cohort of blood EV-derived samples (AUC: 0.88, 95% CI: 0.84-0.92). This study presents the first EV-TEs based predictive model for PAAD detection, showcasing the immense potential of these 'junk DNA' as innovative diagnostic biomarker for cancers.
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页数:5
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