BACKGROUND Regulatory T cells(Tregs)and natural killer(NK)cells play an essential role in the development of bladder urothelial carcinoma(BUC).AIM To construct a prognosis-related model to judge the prognosis of patie...BACKGROUND Regulatory T cells(Tregs)and natural killer(NK)cells play an essential role in the development of bladder urothelial carcinoma(BUC).AIM To construct a prognosis-related model to judge the prognosis of patients with bladder cancer,meanwhile,predict the sensitivity of patients to chemotherapy and immunotherapy.METHODS Bladder cancer information data was obtained from The Cancer Genome Atlas and GSE32894.The CIBERSORT was used to calculate the immune score of each sample.Weighted gene co-expression network analysis was used to find genes that will have the same or similar expression patterns.Subsequently,multivariate cox regression and lasso regression was used to further screen prognosis-related genes.The prrophetic package was used to predict phenotype from gene expression data,drug sensitivity of external cell line and predict clinical data.RESULTS The stage and risk scores are independent prognostic factors in patients with BUC.Mutations in FGFR3 lead to an increase in Tregs percolation and affect the prognosis of the tumor,and additionally,EMP1,TCHH and CNTNAP3B in the model are mainly positively correlated with the expression of immune checkpoints,while CMTM8,SORT1 and IQSEC1 are negatively correlated with immune checkpoints and the high-risk group had higher sensitivity to chemotherapy drugs.CONCLUSION Prognosis-related models of bladder tumor patients,based on Treg and NK cell percolation in tumor tissue.In addition to judging the prognosis of patients with bladder cancer,it can also predict the sensitivity of patients to chemotherapy and immunotherapy.At the same time,patients were divided into high and low risk groups based on this model,and differences in genetic mutations were found between the high and low risk groups.展开更多
目的探讨参苓白术散对胃癌IV期患者外周血CD4+CD25+Tregs、Foxp3 m RNA及血清细胞因子IL-10、TGF-β1的影响。方法将40例胃癌IV期患者随机分为观察组、对照组各20例。对照组予对症支持治疗,观察组对症支持治疗同时予参苓白术散治疗,治疗...目的探讨参苓白术散对胃癌IV期患者外周血CD4+CD25+Tregs、Foxp3 m RNA及血清细胞因子IL-10、TGF-β1的影响。方法将40例胃癌IV期患者随机分为观察组、对照组各20例。对照组予对症支持治疗,观察组对症支持治疗同时予参苓白术散治疗,治疗4 w后观察两组患者外周血CD4+CD25+Tregs、单核细胞Foxp3 m RNA及血清IL-10、TGF-β1浓度的变化。结果治疗后观察组患者外周血CD4+CD25+Tregs、单核细胞Foxp3 m RNA及血清IL-10、TGF-β1浓度均显著降低(P<0.05),对照组治疗后各项指标无明显变化(P>0.05),两组治疗后比较差异有统计学意义(P<0.05)。结论参苓白术散能降低胃癌IV期患者外周血CD4+CD25+Tregs和单核细胞Foxp3 m RNA的表达,降低抑制性细胞因子IL-10、TGF-β1浓度,具有免疫调节作用。展开更多
目的观察NOD小鼠人源化后,CD4^+和CD8^+调节性T细胞(regulatory T cells,Tregs)频率和功能的变化,揭示Tregs在人源化NOD小鼠1型糖尿病中的作用及免疫学机制可能的变化。方法流式细胞术分别分析12周龄未发病的人源化NOD小鼠和NOD小鼠脾...目的观察NOD小鼠人源化后,CD4^+和CD8^+调节性T细胞(regulatory T cells,Tregs)频率和功能的变化,揭示Tregs在人源化NOD小鼠1型糖尿病中的作用及免疫学机制可能的变化。方法流式细胞术分别分析12周龄未发病的人源化NOD小鼠和NOD小鼠脾淋巴细胞和胰腺淋巴结细胞中CD8^+CD122^+T、CD8^+CD28-T、CD8^+CD25^+Foxp3^+T和CD4^+CD25^+Foxp3^+T细胞的频率,并采用3H-Td R掺入法检测脾CD4^+CD25^+T和CD8^+CD25^+T细胞的免疫抑制功能。结果人源化NOD小鼠和NOD小鼠的脾淋巴细胞和胰腺淋巴结细胞中CD4^+CD25^+Foxp3^+T细胞频率无显著性差异(P>0.05),而人源化NOD小鼠脾淋巴细胞和胰腺淋巴结细胞中CD8^+CD122^+T、CD8^+CD28-T、CD8^+CD25^+Foxp3^+T细胞等CD8^+Tregs亚群的频率较NOD小鼠都显著降低,但NOD小鼠人源化后,CD4^+CD25^+T和CD8^+CD25^+T细胞的免疫抑制功能并没有显著性差异;同时与人源化NOD小鼠相比,NOD小鼠的胰腺淋巴结细胞中CD8^+T细胞频率更低。结论人源化NOD小鼠脾脏和胰腺淋巴结中CD8^+Tregs亚群频率的降低,引起其胰腺淋巴结中CD8^+T细胞频率的升高,导致胰岛β细胞破坏更严重,可能是引起人源化NOD小鼠自发1型糖尿病较NOD小鼠明显提前且加重的因素之一。展开更多
肿瘤的发生是通过多种途径引起机体免疫系统调节紊乱导致的,因此抗自身抗原的免疫反应保护机理可以使肿瘤细胞免于被自身免疫系统识别。而FOXP3作为CD4^+CD25^+调节T细胞(regulatory T cells,Tregs)表面的特征性标志,可以通过下调免疫...肿瘤的发生是通过多种途径引起机体免疫系统调节紊乱导致的,因此抗自身抗原的免疫反应保护机理可以使肿瘤细胞免于被自身免疫系统识别。而FOXP3作为CD4^+CD25^+调节T细胞(regulatory T cells,Tregs)表面的特征性标志,可以通过下调免疫活化细胞因子的表达和上调Tregs相关的细胞表面分子的表达赋予CD4^+CD25^+Tregs细胞免疫抑制功能,并有效抑制机体抗肿瘤免疫反应,参与肿瘤免疫逃逸。展开更多
文摘BACKGROUND Regulatory T cells(Tregs)and natural killer(NK)cells play an essential role in the development of bladder urothelial carcinoma(BUC).AIM To construct a prognosis-related model to judge the prognosis of patients with bladder cancer,meanwhile,predict the sensitivity of patients to chemotherapy and immunotherapy.METHODS Bladder cancer information data was obtained from The Cancer Genome Atlas and GSE32894.The CIBERSORT was used to calculate the immune score of each sample.Weighted gene co-expression network analysis was used to find genes that will have the same or similar expression patterns.Subsequently,multivariate cox regression and lasso regression was used to further screen prognosis-related genes.The prrophetic package was used to predict phenotype from gene expression data,drug sensitivity of external cell line and predict clinical data.RESULTS The stage and risk scores are independent prognostic factors in patients with BUC.Mutations in FGFR3 lead to an increase in Tregs percolation and affect the prognosis of the tumor,and additionally,EMP1,TCHH and CNTNAP3B in the model are mainly positively correlated with the expression of immune checkpoints,while CMTM8,SORT1 and IQSEC1 are negatively correlated with immune checkpoints and the high-risk group had higher sensitivity to chemotherapy drugs.CONCLUSION Prognosis-related models of bladder tumor patients,based on Treg and NK cell percolation in tumor tissue.In addition to judging the prognosis of patients with bladder cancer,it can also predict the sensitivity of patients to chemotherapy and immunotherapy.At the same time,patients were divided into high and low risk groups based on this model,and differences in genetic mutations were found between the high and low risk groups.
文摘目的探讨参苓白术散对胃癌IV期患者外周血CD4+CD25+Tregs、Foxp3 m RNA及血清细胞因子IL-10、TGF-β1的影响。方法将40例胃癌IV期患者随机分为观察组、对照组各20例。对照组予对症支持治疗,观察组对症支持治疗同时予参苓白术散治疗,治疗4 w后观察两组患者外周血CD4+CD25+Tregs、单核细胞Foxp3 m RNA及血清IL-10、TGF-β1浓度的变化。结果治疗后观察组患者外周血CD4+CD25+Tregs、单核细胞Foxp3 m RNA及血清IL-10、TGF-β1浓度均显著降低(P<0.05),对照组治疗后各项指标无明显变化(P>0.05),两组治疗后比较差异有统计学意义(P<0.05)。结论参苓白术散能降低胃癌IV期患者外周血CD4+CD25+Tregs和单核细胞Foxp3 m RNA的表达,降低抑制性细胞因子IL-10、TGF-β1浓度,具有免疫调节作用。
文摘目的观察NOD小鼠人源化后,CD4^+和CD8^+调节性T细胞(regulatory T cells,Tregs)频率和功能的变化,揭示Tregs在人源化NOD小鼠1型糖尿病中的作用及免疫学机制可能的变化。方法流式细胞术分别分析12周龄未发病的人源化NOD小鼠和NOD小鼠脾淋巴细胞和胰腺淋巴结细胞中CD8^+CD122^+T、CD8^+CD28-T、CD8^+CD25^+Foxp3^+T和CD4^+CD25^+Foxp3^+T细胞的频率,并采用3H-Td R掺入法检测脾CD4^+CD25^+T和CD8^+CD25^+T细胞的免疫抑制功能。结果人源化NOD小鼠和NOD小鼠的脾淋巴细胞和胰腺淋巴结细胞中CD4^+CD25^+Foxp3^+T细胞频率无显著性差异(P>0.05),而人源化NOD小鼠脾淋巴细胞和胰腺淋巴结细胞中CD8^+CD122^+T、CD8^+CD28-T、CD8^+CD25^+Foxp3^+T细胞等CD8^+Tregs亚群的频率较NOD小鼠都显著降低,但NOD小鼠人源化后,CD4^+CD25^+T和CD8^+CD25^+T细胞的免疫抑制功能并没有显著性差异;同时与人源化NOD小鼠相比,NOD小鼠的胰腺淋巴结细胞中CD8^+T细胞频率更低。结论人源化NOD小鼠脾脏和胰腺淋巴结中CD8^+Tregs亚群频率的降低,引起其胰腺淋巴结中CD8^+T细胞频率的升高,导致胰岛β细胞破坏更严重,可能是引起人源化NOD小鼠自发1型糖尿病较NOD小鼠明显提前且加重的因素之一。
文摘肿瘤的发生是通过多种途径引起机体免疫系统调节紊乱导致的,因此抗自身抗原的免疫反应保护机理可以使肿瘤细胞免于被自身免疫系统识别。而FOXP3作为CD4^+CD25^+调节T细胞(regulatory T cells,Tregs)表面的特征性标志,可以通过下调免疫活化细胞因子的表达和上调Tregs相关的细胞表面分子的表达赋予CD4^+CD25^+Tregs细胞免疫抑制功能,并有效抑制机体抗肿瘤免疫反应,参与肿瘤免疫逃逸。
