Carcinogenesis, Teratogenesis & Mutagenesis ›› 2025, Vol. 37 ›› Issue (4): 310-313,318.doi: 10.3969/j.issn.1004-616x.2025.04.014

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Relationships between serum Lipocalin-2 and YKL-40 levels on therapeutic effect of neoadjuvant radiotherapy and chemotherapy in esophageal cancer patients

YANG Zhihui, HAN Xianglong, LIU Gengang, SHI Jie   

  1. Department of Oncology, Hankuang General Hospital, North China Medical and Health Group, Handan 056009, Hebei, China
  • Received:2024-09-13 Revised:2025-04-07 Published:2025-08-05

Abstract: OBJECTIVE: To investigate the levels of Lipocalin-2 and YKL-40 in serum samples from esophageal cancer (EC) patients and their relationship with therapeutic effect of neoadjuvant radiotherapy and chemotherapy. METHODS: From January 2021 to August 2022,a total of 200 EC patients who underwent neoadjuvant radiotherapy and chemotherapy in the Hankuang General Hospital of North China Medical and Health Group were recruited as research subjects. All patients were examined 5 cycles after treatment,according to the therapeutic effect of patients. They were grouped into effective (128 cases) and ineffective groups (72 cases). The contents of serum Lipocalin-2,YKL-40 and carcinoembryonic antigen (CEA) were compared between the two groups before treatment;logistic regression was applied to analyze the influencing factors of neoadjuvant radiotherapy and chemotherapy therapeutic effect in EC patients. Receiver operating characteristic (ROC) was applied to analyze the predictive value of serum Lipocalin-2,YKL-40 and CEA in the therapeutic effect among the patients. RESULTS: Compared with the effective group,the contents of serum Lipocalin-2,YKL-40,and CEA in the ineffective group were significantly increased (P<0.05). Serum Lipocalin-2,YKL-40,and CEA were the factors for the therapeutic effect of the two therapies (P<0.05). ROC curve showed that the AUC of combined serum Lipocalin-2,YKL-40 and CEA predicted the efficacy of the therapy at 0.975,with sensitivity of 95.65%,and specificity of 89.29%. It was better than the three individual predictions (Zcombination-Lipocalin-2=23.868,P<0.01;Zcombination-YKL-40=3.918,P<0.01;Zcombination-CEA=3.742,P<0.01). CONCLUSION: Serum Lipocalin-2 and YKL-40 contents were significantly increased in patients who did not respond to EC neoadjuvant chemoradiotherapy,and the combination of Lipocalin-2 and YKL-40 with the traditional tumor marker CEA has good reference value in predicting the therapeutic effect of neoadjuvant radiotherapy and chemotherapy for EC.

Key words: lipocalin, chitosanase 3-like protein 1, esophageal cancer, neoadjuvant radiotherapy and chemotherapy, therapeutic effect

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