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已发表论文
血清 tRF5-23-GlyTCC-2 具有肿瘤抑制作用，是结直肠癌的新型生物标志物
Authors Lv X , Dai H, Wu Y, Yang J, Wang G, Wang X
Received 16 May 2025
Accepted for publication 14 October 2025
Published 27 October 2025 Volume 2025:17 Pages 2441—2457
DOI https://doi.org/10.2147/CMAR.S540752
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 5
Editor who approved publication: Dr Antonella D'Anneo
Xinhui Lv,1,2 Hui Dai,1,2 Yu Wu,1,2 Jiyuan Yang,1,2 Guihua Wang,1,2 Xudong Wang1,2
1Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China; 2Medical School of Nantong University, Nantong, Jiangsu, People’s Republic of China
Correspondence: Xudong Wang, Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, 226001, People’s Republic of China, Tel +86-13951318000, Email wangxudong88@hotmail.com
Background: Transfer RNA-derived small RNAs (tsRNAs) are a recently discovered class of non-coding RNAs with aberrant expression in various cancers. Substantial evidence implicates tsRNAs in the initiation and progression of colorectal cancer (CRC). This study aimed to investigate the diagnostic and prognostic potential of a specific tsRNA, tRF5-23-GlyTCC-2, in CRC.
Methods: We identified tRF5-23-GlyTCC-2 via high-throughput RNA sequencing and validated its expression using qRT-PCR. Associations between tRF5-23-GlyTCC-2 expression, clinicopathological features, and patient survival were assessed with Chi-square and Kaplan-Meier analyses. Its diagnostic performance was evaluated by ROC curve analysis. Functional roles in CRC were examined using colony formation assays and xenograft mouse models.
Results: Expression of tRF5-23-GlyTCC-2 was significantly downregulated in CRC tissues (P = 0.0009) and serum (P < 0.0001) compared to controls. It effectively discriminated CRC patients from healthy individuals and those with colorectal polyps, and served as a strong predictor of poor prognosis. Low tRF5-23-GlyTCC-2 levels were correlated with advanced invasion, metastasis (P = 0.0153), and poor prognosis (P = 0.004). ROC analysis demonstrated its superior diagnostic accuracy over traditional biomarkers (AUC = 0.8628), and its combination with CEA further improved the diagnostic performance (AUC = 0.9077). Both in vitro colony formation assays and in vivo xenograft models confirmed its tumor-suppressive function by inhibiting tumor growth and progression.
Conclusion: Serum tRF5-23-GlyTCC-2 exhibits high diagnostic accuracy, and its combination with CEA achieves superior sensitivity (84%), highlighting its potential as a powerful non-invasive biomarker to improve CRC detection and prognosis prediction.
Keywords: colorectal cancer, tsRNA, biomarker, carcinostasis, diagnosis
1Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China; 2Medical School of Nantong University, Nantong, Jiangsu, People’s Republic of China
Correspondence: Xudong Wang, Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, 226001, People’s Republic of China, Tel +86-13951318000, Email wangxudong88@hotmail.com
Background: Transfer RNA-derived small RNAs (tsRNAs) are a recently discovered class of non-coding RNAs with aberrant expression in various cancers. Substantial evidence implicates tsRNAs in the initiation and progression of colorectal cancer (CRC). This study aimed to investigate the diagnostic and prognostic potential of a specific tsRNA, tRF5-23-GlyTCC-2, in CRC.
Methods: We identified tRF5-23-GlyTCC-2 via high-throughput RNA sequencing and validated its expression using qRT-PCR. Associations between tRF5-23-GlyTCC-2 expression, clinicopathological features, and patient survival were assessed with Chi-square and Kaplan-Meier analyses. Its diagnostic performance was evaluated by ROC curve analysis. Functional roles in CRC were examined using colony formation assays and xenograft mouse models.
Results: Expression of tRF5-23-GlyTCC-2 was significantly downregulated in CRC tissues (P = 0.0009) and serum (P < 0.0001) compared to controls. It effectively discriminated CRC patients from healthy individuals and those with colorectal polyps, and served as a strong predictor of poor prognosis. Low tRF5-23-GlyTCC-2 levels were correlated with advanced invasion, metastasis (P = 0.0153), and poor prognosis (P = 0.004). ROC analysis demonstrated its superior diagnostic accuracy over traditional biomarkers (AUC = 0.8628), and its combination with CEA further improved the diagnostic performance (AUC = 0.9077). Both in vitro colony formation assays and in vivo xenograft models confirmed its tumor-suppressive function by inhibiting tumor growth and progression.
Conclusion: Serum tRF5-23-GlyTCC-2 exhibits high diagnostic accuracy, and its combination with CEA achieves superior sensitivity (84%), highlighting its potential as a powerful non-invasive biomarker to improve CRC detection and prognosis prediction.
Keywords: colorectal cancer, tsRNA, biomarker, carcinostasis, diagnosis