ⅲ型前列腺炎患者外周血中cd4cd25treg及前列腺液中mcp1检测及意义-detection and significance of cd 4 cd 25 treg in peripheral blood and mc p1 in prostatic fluid of patients with type iii prostatitis.docx
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ⅲ型前列腺炎患者外周血中cd4cd25treg及前列腺液中mcp1检测及意义-detection and significance of cd 4 cd 25 treg in peripheral blood and mc p1 in prostatic fluid of patients with type iii prostatitis
Ⅲ型前列腺炎患者外周血中CD4+CD25+Treg及前列腺液中MCP-1的检测及意义中文摘要目的:探讨慢性非细菌性前列腺炎/慢性骨盆疼痛综合征(CAP/CPPS)患者外周血中 CD4+CD25+调节性T细胞占CD4+T细胞的比率以及检测其前列腺液(EPS)中单核细胞趋化蛋白-1(MCP-1)的水平,分析各检测指标与临床症状的相关性。方法:收集山西医科大学第二附属医院泌尿外科门诊就诊CAP/CPPS患者48例,收集每 位受试者的前列腺液,将第一滴EPS行常规检查,计算平均每高倍视野白细胞数,作为EPS白细胞数计数结果.其余EPS置于-20℃低温保存,采用双抗体夹心ELISA法检测其MCP-1的水平,同时采集确诊为CAP/CPPS患者和正常对照者的肘静脉血3ml,肝素抗凝,流式细胞仪 检测2组受试者外周血中CD4+CD25+Treg及CD4+T淋巴细胞。结果:CAP/CPPS患者组外周血中CD4+T细胞及CD4+CD25highTreg占CD4+T细胞的比率(28.12±4.32)%(3.99±0.61)%与正常对照组(28.29±4.30)%(3.96±0.66)%相比;(P> 0.05)差异无统计学意义。CAP/CPPS患者Ⅲa组外周血中CD4+T细胞及CD4+CD25highTreg占CD4+T细胞的比率(28.33±4.35)%(3.98±0.60)%与Ⅲb组(27.91±4.26)%(4.01±0.62)%相比;(P>0.05)差异无统计学意义。CAP/CPPS患者组CD4+CD25+Treg占CD4+T细胞的比率(6.48±1.34)%低于对照组(14.66±2.16)%;(P<0.01),其差异有统计学意义。CAP/CPPS 患者组外周血中CD4+T细胞以及CD4+CD25+Treg和CD4+CD25highTreg占CD4+T细胞的比率与患者 慢性前列腺炎症状指数评分(CPSI)均无相关性(P>0.05)。CAP/CPPS患者组外周血中 CD4+CD25+Treg占CD4+T细胞的比率与EPS中MCP-1水平呈负相关(r=-0.682,P<0.05)。CAP/CPPS患者前列腺液中MCP-1(0.45±0.09)ng/ml较正常对照组(0.18±0.02)ng/ml显 著升高;(P<0.01)其差异有统计学意义。CAP/CPPS患者Ⅲa组EPS中MCP-1水平(0.54±0.02 )ng/ml较Ⅲb组(0.35±0.02)ng/ml显著升高;(P<0.01)其差异有统计学意义。 CAP/CPPS患者组EPS中MCP-1水平与NIH-CPSI呈正相关(r=0.716,P<0.01),且与患者疼 痛评分明显相关(r=0.875,P<0.01),CAP/CPPS患者前列腺液中MCP-1水平与前列腺液中白细胞数呈正相关(r=0.898,P<0.01)。 结论:慢性非细菌性前列腺炎患者外周血中CD4+CD25+Treg数量表达下调,导致患者自身免疫反应增强,可能成为CAP/CPPS的发病机制之一;MCP-1在CAP/CPPS的发病过程中起重要作用,并且与临床症状密切相关,MCP-1可能成为CAP/CPPS临床诊断的可靠指标。 关键词前列腺炎;CD4+CD25+Treg;单核细胞趋化蛋白(MCP-1);Detection of peripheral blood CD4+CD25+ regulatory T cells and the level of MCP-1 in EPS of patients with Chronic Pelvic Pain Syndrome and Its Clinical SignificanceAbstractObjective: To investigate the role of CD4+CD25+Treg in peripheral blood and the significance of MCP-1 in expressed prostatic secretion (EPS) of the pathogenesis of chronic non-bacterial prostatitis/chronic pelvic pain syndrome (CAP/CPPS) patients.Methods:The percentage of CD4+C25+ regulatory T cells was detected by flow cytometry from 48 CAP/CPPS patients and 10 normal controls . The levels of MCP-1 in EPS were measured by ELISA in the expressed pr
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