一种肝细胞肝癌诊断和预后的tsRNA生物标志物及其应用

By combining the 5'-tiRNA-iMet-CAT biomarker with high-throughput sequencing and RT-qPCR technology, a diagnostic kit for hepatocellular carcinoma was developed, solving the problem of early diagnosis, achieving efficient screening and diagnosis of hepatocellular carcinoma, and improving the sensitivity and specificity of diagnosis.

CN121137151BActive Publication Date: 2026-07-17AFFILIATED HOSPITAL OF NANTONG UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
AFFILIATED HOSPITAL OF NANTONG UNIV
Filing Date
2025-09-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The lack of effective early diagnostic methods and biomarkers for screening hepatocellular carcinoma in current technologies leads to most liver cancer patients being diagnosed at an advanced stage, resulting in a low five-year survival rate.

Method used

Using 5'-tiRNA-iMet-CAT as a biomarker, differential expression profiles of tsRNA in hepatocellular carcinoma tissues and adjacent normal tissues were constructed by high-throughput sequencing. Combined with RT-qPCR detection, reagents and kits for the diagnosis of hepatocellular carcinoma were developed, and AFP and PIVKA-II were used in combination for diagnosis.

Benefits of technology

It enables early diagnosis of hepatocellular carcinoma, with an AUC of 0.909 distinguishing hepatocellular carcinoma patients from healthy individuals in serum, and a sensitivity and specificity of 85% and 80%, respectively. When used in combination, the AUC can reach 0.960, and the sensitivity and specificity can reach 95% and 68%, respectively, which significantly improves the diagnostic efficacy.

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Abstract

本发明提供一种肝细胞肝癌诊断和预后的tsRNA生物标志物及其应用,涉及生物医学技术领域,其技术要点在于:提供了5’‑tiRNA‑iMet‑CAT作为生物标志物在制备肝细胞肝癌诊断试剂中的应用。本申请中通过临床病理资料分析显示,肝细胞肝癌患者血清中高表达的上述tsRNA生物标志物与分化程度,肿瘤大小,TNM分期(tumornode metastasis classification,TMN),年龄,转移,BCLC(Barcelona Clinic Liver Cancer)分期有关。此外,将5’‑tiRNA‑iMet‑CAT生物标志物与血液中检测肝细胞肝癌的肿瘤标志物AFP,PIVKA‑II依次联合,其区分血清中肝细胞肝癌患者和健康正常人的AUC可达0.960,灵敏度和特异度可达95%和68%,结果显示5’‑tiRNA‑iMet‑CAT+AFP+PIVKA‑II联合指标相对于单独的5’‑tiRNA‑iMet‑CAT检测有更高的诊断效能。
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