Abstract
Purpose
Paclitaxel is an effective treatment for some of the non-small-cell lung cancer (NSCLC) patients. However, prediction of the outcome of paclitaxel treatment at the early stage of the chemotherapy is difficult. M30 and M65 are circulating fragments of cytokeratin 18 released during apoptosis or necrosis, respectively, and have been used as markers to evaluate chemotherapy in some cancers. Here, we aimed to examine M30 and M65 values for predicting the therapeutic outcome of paclitaxel treatment of NSCLC.
Methods
The serum levels of M30 and M65 before and after paclitaxel treatment in advance-stage NSCLC patients were analyzed, and compared to those in healthy controls. The importance of the M30 and M65 levels to the outcome of chemotherapy was analyzed.
Result
We found that the serum M30 and M65 levels were higher in patients with NSCLC (n = 44) than in control healthy subjects (n = 56) (p < 0.001). Two days after paclitaxel treatment, the serum levels of both M30 and M65 significantly increased in NSCLC patients (p < 0.001). Neither marker alone significantly correlated with overall patient survival, but the ratio of M30 vs M65 appeared to be an important prognostic factor for the overall survival of the patients (p < 0.01).
Conclusion
Our results suggest that the serum M30/M65 ratio may be a prognostic factor for the outcome of paclitaxel treatment in NSCLC.
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Acknowledgments
This work was supported by the Chinese National Science Foundation (Grant No. 81302004), the Western Medicine Guide Project of Shanghai Committee of Science and Technology (Grant No. 16411964700), the Science and Technology Development Fund of Shanghai Chest Hospital (Grant No. 2014YZDC10101), the Shanghai Jiao Tong University Grant for Interdisciplinary Research on Medicine and Engineering (Grant No. YG2013MS12) and the Fund of Vascular Targeted therapy in Oncology of CSCO (Grant No. Y-S2015-007).
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Informed consent was obtained from all individual participants included in the study. The research involved human participants. The study was approved by the Local Ethics Committee of Shanghai Chest Hospital, China.
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Chu, T., Jiang, L., Ying, W. et al. M30/M65 ratio predicts the outcome of paclitaxel chemotherapy for NSCLC. Clin Transl Oncol 19, 326–331 (2017). https://doi.org/10.1007/s12094-016-1533-x
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DOI: https://doi.org/10.1007/s12094-016-1533-x