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Thymidine kinase 1 appears to be a marker for the prognosis of hepatocellular carcinoma based on a large-scale, multicenter study

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Abstract

Introduction

The aim of this study was to investigate the role of thymidine kinase 1 (TK1) levels in hepatocellular carcinoma (HCC) prognosis and to develop a nomogram for predicting HCC prognosis.

Method

In this study, 1066 HCC patients were enrolled between August 2018 and April 2022. TK1 levels were measured within one week before enrollment, and the relationship with HCC prognosis was evaluated. Next, all patients were randomly assigned to the training set (70%, n = 746) and the validation set (30%, n = 320). We used multivariate Cox analysis to find independent prognostic factors in the training set to construct a nomogram. The predictive power of the nomogram was assessed using receiver operating characteristic (ROC) curves, calibration curves, and decision curve analysis (DCA). The optimal critical value of TK1 was determined as 2.35 U/L using X-tile software.

Result

Before and after propensity score matching (PSM), the median overall survival (mOS) of the low-TK1 group (< 2.35 U/L) remained significantly longer than that of the high-TK1 group (≥ 2.35 U/L) (48.1 vs 16.5 months, p < 0.001; 75.7 vs 19.8 months, p = 0.001). Moreover, multivariate Cox analysis showed that the low TK1 level was an independent positive prognostic indicator. Additionally, the area under the ROC curve for predicting the 1-year, 2-year, and 3-year survival rates was 0.770, 0.758, and 0.805, respectively.

Conclusions

TK1 could serve as a prognostic marker for HCC. In addition, the nomogram showed good predictive capability for HCC prognosis.

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Data availability

All data generated or analyzed in this study are in this article. Further inquiries can be directed to the corresponding author(lanpaoxiansheng@126.com).

References

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Funding

This work was supported by a grant from the Project of Sichuan Science and Technology Program (2022YFS0622).

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Authors and Affiliations

Authors

Contributions

YJ, LG, LH, HL, CL, LW, YS, Zhaoyang Wang, PW, QG, WZ, ML, JC, Zhenying Wu, YY, KX, TG, XW, KH, KS, and YH collected the data. YH and KS designed the research study. YJ, LG, and HL wrote the manuscript and analyzed the data. All authors approved the final version of the manuscript.

Corresponding authors

Correspondence to Ke Su or Yunwei Han.

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Conflict of interest

The authors declare no conflict of interest regarding the content of this paper.

Ethical statement

Approval of the research protocol by an Institutional Reviewer Board: This retrospective study was approved by the Ethics Committee of The Affiliated Hospital of Southwest Medical University (approval number KY2020254).

Informed consent

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Registry and the registration no. of the study/trial

No.

Animal studies

No.

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Supplementary Information

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Supplementary Fig. 1:

Kaplan–Meier plots for overall survival in the transcatheter arterial chemoembolization (TACE) group (A) and surgery group (B). Abbreviation: TACE transcatheter arterial chemoembolization. Supplementary Fig. 2: Calibration curves for 1-year (A), 2-year (B) and 3-year (C) and decision curve analyses (D) in the validation cohort (DOCX 263 KB)

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Jiang, Y., Guo, L., Han, L. et al. Thymidine kinase 1 appears to be a marker for the prognosis of hepatocellular carcinoma based on a large-scale, multicenter study. J Cancer Res Clin Oncol 149, 14271–14282 (2023). https://doi.org/10.1007/s00432-023-05089-z

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  • DOI: https://doi.org/10.1007/s00432-023-05089-z

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