目的了解口腔扁平苔藓(OLP)患者外周血中辅助性T细胞17(Th17)与调节性T细胞(Treg)的平衡变化,探讨它们在OLP发病机制中的作用及意义。方法选取17例正常组和33例OLP患者(网纹型15例,糜烂型18例)的外周血,应用流式细胞术(FCM)检测Th17、T...目的了解口腔扁平苔藓(OLP)患者外周血中辅助性T细胞17(Th17)与调节性T细胞(Treg)的平衡变化,探讨它们在OLP发病机制中的作用及意义。方法选取17例正常组和33例OLP患者(网纹型15例,糜烂型18例)的外周血,应用流式细胞术(FCM)检测Th17、Treg细胞的表达水平,实时荧光定量聚合酶链反应(q PCR)检测它们的转录因子维甲酸相关孤核受体γt(RORγt)和叉头状转录因子3(Foxp3)m RNA的表达。结果 OLP外周血中Th17、Treg细胞及RORγt、Foxp3 m RNA表达均升高(P<0.05),但Treg细胞和Foxp3 m RNA表达在OLP两型间差异无统计学意义。Th17/Treg比值在OLP中升高(P<0.05),其中糜烂型OLP显著高于正常组及网纹型OLP(P<0.01),但网纹型OLP与正常组相比差异无统计学意义。Spearman相关分析显示Th17细胞和Th17/Treg比值与体征计分、RAE计分存在正相关关系(r=0.66,P=0.00;r=0.66,P=0.00;r=0.52,P=0.00;r=0.50,P=0.00);同时Th17细胞与Treg细胞也存在正相关关系(r=0.39,P=0.03)。结论 OLP外周血中Th17和Treg细胞以及它们的比例均增高,Th17/Treg失衡在糜烂型OLP的发病过程中起了一定作用。展开更多
Objective To explore the mechanism of Pi(Spleen)-deficiency-induced functional diarrhea(FD)model rats treated by Shenling Baizhu Powder(参苓白术散,SBP).Methods Thirty male Sprague-Dawley rats were randomly divided int...Objective To explore the mechanism of Pi(Spleen)-deficiency-induced functional diarrhea(FD)model rats treated by Shenling Baizhu Powder(参苓白术散,SBP).Methods Thirty male Sprague-Dawley rats were randomly divided into 5 groups including control,model,low-,medium-,and high-dose SBP groups(SBPLDG,SBPMDG,SBPHDG),6 rats in each group,respectively.Pi-deficiency-induced FD rats model was developed through Radix et Rhizoma Rhei gavage for 7 days.After modeling,the rats were treated with 3 doses of SBP[0.93,1.86,and 3.72 g/(kg·d)],and the rats in the control and model groups were given pure water for 7 days.The diarrhea index was calculated.On the 7th and 14th days,the traveled distance of rat was measured by the open field test.Serum D-xylose content was determined by the phloroglucinol method and interleukin(IL)-10 and IL-17 levels were measured using an enzyme-linked immunosorbent assay kit.The content of Treg cells was determined by flow cytometry.Results Compared with the control group,the diarrhea index and IL-17 level in the model group were significantly higher and the total exercise distance and D-xylose content significantly decreased(P>0.05).The expression of IL-10 in the SBPHDG group was significantly up-regulated,and serum D-xylose level and Treg cells increased significantly compared with the model group(P>0.05).Conclusion High-dose SBP exhibited ameliorating effects against Pi-deficiency induced FD,which might be attributed to its modulations on intestinal absorption function as well as adaptive immunity in mesenteric lymph nodes of rat.展开更多
文摘目的了解口腔扁平苔藓(OLP)患者外周血中辅助性T细胞17(Th17)与调节性T细胞(Treg)的平衡变化,探讨它们在OLP发病机制中的作用及意义。方法选取17例正常组和33例OLP患者(网纹型15例,糜烂型18例)的外周血,应用流式细胞术(FCM)检测Th17、Treg细胞的表达水平,实时荧光定量聚合酶链反应(q PCR)检测它们的转录因子维甲酸相关孤核受体γt(RORγt)和叉头状转录因子3(Foxp3)m RNA的表达。结果 OLP外周血中Th17、Treg细胞及RORγt、Foxp3 m RNA表达均升高(P<0.05),但Treg细胞和Foxp3 m RNA表达在OLP两型间差异无统计学意义。Th17/Treg比值在OLP中升高(P<0.05),其中糜烂型OLP显著高于正常组及网纹型OLP(P<0.01),但网纹型OLP与正常组相比差异无统计学意义。Spearman相关分析显示Th17细胞和Th17/Treg比值与体征计分、RAE计分存在正相关关系(r=0.66,P=0.00;r=0.66,P=0.00;r=0.52,P=0.00;r=0.50,P=0.00);同时Th17细胞与Treg细胞也存在正相关关系(r=0.39,P=0.03)。结论 OLP外周血中Th17和Treg细胞以及它们的比例均增高,Th17/Treg失衡在糜烂型OLP的发病过程中起了一定作用。
基金the National Natural Science Foundation of China(No.81703956,81830114,81774164)。
文摘Objective To explore the mechanism of Pi(Spleen)-deficiency-induced functional diarrhea(FD)model rats treated by Shenling Baizhu Powder(参苓白术散,SBP).Methods Thirty male Sprague-Dawley rats were randomly divided into 5 groups including control,model,low-,medium-,and high-dose SBP groups(SBPLDG,SBPMDG,SBPHDG),6 rats in each group,respectively.Pi-deficiency-induced FD rats model was developed through Radix et Rhizoma Rhei gavage for 7 days.After modeling,the rats were treated with 3 doses of SBP[0.93,1.86,and 3.72 g/(kg·d)],and the rats in the control and model groups were given pure water for 7 days.The diarrhea index was calculated.On the 7th and 14th days,the traveled distance of rat was measured by the open field test.Serum D-xylose content was determined by the phloroglucinol method and interleukin(IL)-10 and IL-17 levels were measured using an enzyme-linked immunosorbent assay kit.The content of Treg cells was determined by flow cytometry.Results Compared with the control group,the diarrhea index and IL-17 level in the model group were significantly higher and the total exercise distance and D-xylose content significantly decreased(P>0.05).The expression of IL-10 in the SBPHDG group was significantly up-regulated,and serum D-xylose level and Treg cells increased significantly compared with the model group(P>0.05).Conclusion High-dose SBP exhibited ameliorating effects against Pi-deficiency induced FD,which might be attributed to its modulations on intestinal absorption function as well as adaptive immunity in mesenteric lymph nodes of rat.
