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Clinical implications of peripheral CD3+CD69+ T-cell and CD8+CD28+ T-cell proportions in patients prior to radical prostatectomy

Yu Zhang, Ziye Zhang, Lina Zhang, Sheng Zhao, Jing Zhao, Qing Ye, Yingli Gao, Chenyi Jiang, Di Cui, Shujie Xia, Bangmin Han, Yifeng Jing



Purpose: To investigate the clinical implications of CD3+CD69+ T-cells and CD8+CD28+ T-cells in the peripheral blood of patients prior to radical prostatectomy.

Materials and Methods: A total of 91 prostate cancer (PCa) patients and 50 benign prostatic hyperplasia (BPH) patients were enrolled from January 2016 to December 2017. The proportions of CD3+CD69+ T-cells and CD8+CD28+ T-cells in the peripheral blood of PCa and BPH patients were detected by flow cytometry, and the association of these T-cell populations with pathological Grade Group and pathological TNM classification was evaluated. Data analysis was performed with SAS version 9.4 software.

Results: The proportions of CD3+CD69+ and CD8+CD28+ T-cells in peripheral blood were higher in PCa patients than those in BPH patients. Multivariate analysis identified a higher CD3+CD69+ T-cell proportion as a risk factor for PCa (odds ratio (OR)=4.783, P=0.0013), but the diagnostic efficacy of the CD3+CD69+ T-cell proportion (area under the curve (AUC)=0.6833, P=0.0003) for PCa was still inferior to that of the tPSA level (AUC=0.7531, P<0.0001). The AUCs for CD3+CD69+ T-cell and CD8+CD28+ T-cell proportions for PCa were 0.6959 (P=0.0372) and 0.6935 (P=0.0395), respectively, among men with tPSA levels of 4.0-10.0 ng/ml. A lower CD3+CD69+ T-cell proportion was associated with higher pathological Grade Group (P=0.0074).

Conclusion: The proportions of CD3+CD69+ T-cells and CD8+CD28+ T-cells in peripheral blood are potential diagnostic indicators for PCa. The preoperative proportion of CD3+CD69+ T-cells in peripheral blood may have prognostic value in terms of the pathological Grade Group in PCa


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DOI: http://dx.doi.org/10.22037/uj.v0i0.5103


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