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中文摘要

《亚洲男性学杂志》 2013; 15 (4): 461-465

前列腺癌冷冻消融后外周血循环调节性T细胞变化分析

Tong-Guo Si, Jun-Ping Wang and Zhi Guo(中国)

本研究的目的是评价前列腺癌冷冻消融后外周血调节性T细胞(Treg)数量及免疫功能的变化情况。收集30例高危前列腺癌冷冻治疗前、冷冻治疗后4周、8周外周血,以健康患者为对照,利用流式细胞术分析CD4+CD25+CD127-Treg细胞数量;分离Treg细胞,与CD4+CD25-T细胞共培养,观察Treg细胞对T细胞增殖反应的影响。结果显示前列腺癌外周血Treg细胞比例组明显高于较健康对照(7.6%±0.73% vs 5.8%±0.54%, P<0.001)。冷冻治疗后4周后,外周血Treg细胞比例较术前明显降低(6.3%±0.58% vs 7.6%±0.73%,P<0.001),至术后8周仍较术前减低。但12例患者中有7例患者Treg细胞抑制T细胞增殖活性的作用增强,其中2例患者肿瘤复发。提示前列腺癌冷冻消融后Treg细胞变化情况复杂,其相关机制尚有待进一步研究。

关键词:冷冻消融,免疫反应,前列腺癌(PCa),调节T细胞(Tregs)

此摘要文献来源:
Tong-Guo Si, Jun-Ping Wang, Zhi Guo. Analysis of circulating regulatory T cells (CD4+CD25+CD127-) after cryosurgery in prostate cancer.
Asian J Androl 2013; 15: 461-5.

 
Asian Journal of Andrology CN 31-1795/R ISSN 1008-682X  Copyright © 2023  Shanghai Materia Medica, Chinese Academy of Sciences.  All rights reserved.