Objectives To explore serum cytokines levels (including IL-1β, sIL-2R, IL-6, TNF-α, and IFN-ν) and their significance in patients with acute coronary syndrome (ACS) and the subsequent follow-ups, with attempt to es...Objectives To explore serum cytokines levels (including IL-1β, sIL-2R, IL-6, TNF-α, and IFN-ν) and their significance in patients with acute coronary syndrome (ACS) and the subsequent follow-ups, with attempt to estimate the role of various serum inflammatory markers in the diagnosis and assessment of ACS. Methods The study population include 40 patients with acute myocardial infarction (AMI), 40 patients with unstable angina pectoris (UAP), and 40 controls. Among the 80 patients, 60 patients attended a follow up 4 months later. Serum inflammatory markers including IL-1β, sIL-2R, IL-6, TNF-α, and IFN-νwere measured by enzyme linked immunosorbent assay. ResultsSerum IL-1β, sIL-2R, IL-6, TNF-αwere significantly higher in AMI group or UAP group compared to the con-trol group and became significantly lower 4 months later in the follow-up patients. Serum levels of IFN-νshows no signifi-cant difference between AMI group or UAP group and controls, also showing no significant change when measured in follow up patients. There was no correlation between serum creatine kinase-MB isoenzyme levels and serum inflammatory markers either in UAP or AMI group. Furthermore, when divided into two subgroups using Wagner’s QRS scoring system in the AMI group, there is no difference of each serum inflammatory marker between ≤6 scores group and > 6 scores group. Conclusion Serum levels of certain inflammatory markers may have some diagnostic value for ACS, and can be a us-eful marker reflecting disease stability.展开更多
目的:系统评价不明原因复发性流产(URPL)患者外周血或绒毛组织中IFN-γ水平的变化。方法:在PubMed、Web of science、Cochrane Library、中国知网及万方等数据库中检索相关文献,使用固定效应模型或随机效应模型进行meta分析。结果:最终...目的:系统评价不明原因复发性流产(URPL)患者外周血或绒毛组织中IFN-γ水平的变化。方法:在PubMed、Web of science、Cochrane Library、中国知网及万方等数据库中检索相关文献,使用固定效应模型或随机效应模型进行meta分析。结果:最终纳入29篇文献,共2603例患者。非孕期URPL组外周血清IFN-γ水平高于健康非妊娠组(SMD=0.39,95%CI:0.18~0.60,P=0.001)。孕早期URPL组外周血清IFN-γ水平高于健康早孕组(SMD=1.30,95%CI:1.16~1.45,P=0.000)。孕早期URPL组外周血血浆IFN-γ水平高于健康早孕组(SMD=2.07,95%CI:1.81~2.33,P=0.000)。孕早期URPL组外周血清IFN-γ水平高于健康非妊娠组(SMD=3.86,95%CI:3.39~4.33,P=0.000)。孕早期URPL组绒毛组织中IFN-γmRNA水平高于健康早孕组(SMD=0.74,95%CI:0.39~1.10,P=0.000)。结论:与健康女性相比,URPL患者的外周血或绒毛膜绒毛组织中IFN-γ水平较高。高水平的IFN-γ可能与URPL患者疾病的发生和妊娠丢失有关。展开更多
目的研究细胞程序性死亡配体-1(programmed cell death protein ligand-1,PD-L1)功能抑制调控免疫活化影响ApoE^(-/-)小鼠动脉粥样硬化发生发展的机制。方法将24只ApoE^(-/-)小鼠随机分为正常组,高脂组和高脂^(+)抗PD-L1单抗组,通过高...目的研究细胞程序性死亡配体-1(programmed cell death protein ligand-1,PD-L1)功能抑制调控免疫活化影响ApoE^(-/-)小鼠动脉粥样硬化发生发展的机制。方法将24只ApoE^(-/-)小鼠随机分为正常组,高脂组和高脂^(+)抗PD-L1单抗组,通过高胆固醇饲料喂养建立动脉粥样硬化(atherosclerosis)模型。实验动物饲养70 d后,分离各组实验动物血管(主动脉根部至腹主动脉)及肝脏组织,进行油红O染色;HE染色检测肝组织病理改变;ELISA检测血清中总胆固醇(CHO)、甘油三酯(TG)、高密度脂蛋白(HDL-c)、低密度脂蛋白(LDL-c)和炎症因子(IFN-γ、TNF-α、IL-1β)含量。流式细胞计数检测肝脏淋巴细胞(CD4^(+)、CD8^(+)、CD4^(+)IFN-γ^(+)和CD8^(+)IFN-γ^(+)T细胞)。RT-PCR检测肝脏组织IFN-γ、TNF-α、IL-1β、CD4和CD8表达。结果与高脂组比较,给予抗PD-L1单抗后促血管壁及肝脏脂质累积并上调血清及肝组织CHO、TG、LDL-c和HDL-c含量。高脂饲养条件下给予抗PD-L1单抗促血清和肝组织谷丙转氨酶(GPT)和谷草转氨酶(GOT)含量升高,但是对碱性磷酸酶(AKP)含量没有影响。高脂饲养条件下给予抗PD-L1单抗促血清和肝脏组织IFN-γ、TNF-α和IL-1β含量升高。高脂饲养条件下给予抗PD-L1单抗抑制CD4表达及促CD8表达。高脂饲养条件下给予抗PD-L1单抗促肝脏CD8^(+)T和CD8^(+)IFN-γ^(+)T细胞活化,但是对CD4^(+)IFN-γ^(+)T细胞活化没有影响。结论高脂饲养条件下给予抗PD-L1单抗通过活化肝脏CD8^(+)IFN-γ^(+)T细胞损伤肝脏功能加重动脉粥样硬化。展开更多
Bifidobacterium longum subsp.infantis is a commensal bacterium that predominates in the infant gut,playing a critical role in both preventing foreign infections and facilitating immune development.This study aimed to ...Bifidobacterium longum subsp.infantis is a commensal bacterium that predominates in the infant gut,playing a critical role in both preventing foreign infections and facilitating immune development.This study aimed to explore the effects of B.longum subsp.infantis supplementation on interferon-beta(IFN-β)secretion and intestinal barrier improvement in growing mice.Female and male mice were orally administered either saline or B.longum subsp.infantis CCFM1269 or I5TI(1×10^(9) CFU/mice per day,n=8)from 1-week-age until 3-,4-,and 5-week-age.RNA sequencing analysis revealed that CCFM1269 exhibited potential antiviral capacity through increasing 2'-5'oligoadenylate synthetase(OAS).Additionally,CCFM1269 supplementation significantly increased colonic IFN-β levels which combined with OAS in 3-week-old female and male mice by activating the TLR4-TRIF-dependent signaling pathway.However,this effect was not observed in 4-and 5-week-old mice.Furthermore,both CCFM1269 were found to modulate the gut microbiota composition and enhance the intestinal barrier function in 3-,4-,and 5-week-old mice.In summary,the results of this study suggested that B.longum subsp.infantis CCFM1269 promoting intestinal barrier and releasing IFN-β in growing mice was in a strain-specific and time-dependent manner.展开更多
文摘Objectives To explore serum cytokines levels (including IL-1β, sIL-2R, IL-6, TNF-α, and IFN-ν) and their significance in patients with acute coronary syndrome (ACS) and the subsequent follow-ups, with attempt to estimate the role of various serum inflammatory markers in the diagnosis and assessment of ACS. Methods The study population include 40 patients with acute myocardial infarction (AMI), 40 patients with unstable angina pectoris (UAP), and 40 controls. Among the 80 patients, 60 patients attended a follow up 4 months later. Serum inflammatory markers including IL-1β, sIL-2R, IL-6, TNF-α, and IFN-νwere measured by enzyme linked immunosorbent assay. ResultsSerum IL-1β, sIL-2R, IL-6, TNF-αwere significantly higher in AMI group or UAP group compared to the con-trol group and became significantly lower 4 months later in the follow-up patients. Serum levels of IFN-νshows no signifi-cant difference between AMI group or UAP group and controls, also showing no significant change when measured in follow up patients. There was no correlation between serum creatine kinase-MB isoenzyme levels and serum inflammatory markers either in UAP or AMI group. Furthermore, when divided into two subgroups using Wagner’s QRS scoring system in the AMI group, there is no difference of each serum inflammatory marker between ≤6 scores group and > 6 scores group. Conclusion Serum levels of certain inflammatory markers may have some diagnostic value for ACS, and can be a us-eful marker reflecting disease stability.
文摘目的:系统评价不明原因复发性流产(URPL)患者外周血或绒毛组织中IFN-γ水平的变化。方法:在PubMed、Web of science、Cochrane Library、中国知网及万方等数据库中检索相关文献,使用固定效应模型或随机效应模型进行meta分析。结果:最终纳入29篇文献,共2603例患者。非孕期URPL组外周血清IFN-γ水平高于健康非妊娠组(SMD=0.39,95%CI:0.18~0.60,P=0.001)。孕早期URPL组外周血清IFN-γ水平高于健康早孕组(SMD=1.30,95%CI:1.16~1.45,P=0.000)。孕早期URPL组外周血血浆IFN-γ水平高于健康早孕组(SMD=2.07,95%CI:1.81~2.33,P=0.000)。孕早期URPL组外周血清IFN-γ水平高于健康非妊娠组(SMD=3.86,95%CI:3.39~4.33,P=0.000)。孕早期URPL组绒毛组织中IFN-γmRNA水平高于健康早孕组(SMD=0.74,95%CI:0.39~1.10,P=0.000)。结论:与健康女性相比,URPL患者的外周血或绒毛膜绒毛组织中IFN-γ水平较高。高水平的IFN-γ可能与URPL患者疾病的发生和妊娠丢失有关。
文摘目的研究细胞程序性死亡配体-1(programmed cell death protein ligand-1,PD-L1)功能抑制调控免疫活化影响ApoE^(-/-)小鼠动脉粥样硬化发生发展的机制。方法将24只ApoE^(-/-)小鼠随机分为正常组,高脂组和高脂^(+)抗PD-L1单抗组,通过高胆固醇饲料喂养建立动脉粥样硬化(atherosclerosis)模型。实验动物饲养70 d后,分离各组实验动物血管(主动脉根部至腹主动脉)及肝脏组织,进行油红O染色;HE染色检测肝组织病理改变;ELISA检测血清中总胆固醇(CHO)、甘油三酯(TG)、高密度脂蛋白(HDL-c)、低密度脂蛋白(LDL-c)和炎症因子(IFN-γ、TNF-α、IL-1β)含量。流式细胞计数检测肝脏淋巴细胞(CD4^(+)、CD8^(+)、CD4^(+)IFN-γ^(+)和CD8^(+)IFN-γ^(+)T细胞)。RT-PCR检测肝脏组织IFN-γ、TNF-α、IL-1β、CD4和CD8表达。结果与高脂组比较,给予抗PD-L1单抗后促血管壁及肝脏脂质累积并上调血清及肝组织CHO、TG、LDL-c和HDL-c含量。高脂饲养条件下给予抗PD-L1单抗促血清和肝组织谷丙转氨酶(GPT)和谷草转氨酶(GOT)含量升高,但是对碱性磷酸酶(AKP)含量没有影响。高脂饲养条件下给予抗PD-L1单抗促血清和肝脏组织IFN-γ、TNF-α和IL-1β含量升高。高脂饲养条件下给予抗PD-L1单抗抑制CD4表达及促CD8表达。高脂饲养条件下给予抗PD-L1单抗促肝脏CD8^(+)T和CD8^(+)IFN-γ^(+)T细胞活化,但是对CD4^(+)IFN-γ^(+)T细胞活化没有影响。结论高脂饲养条件下给予抗PD-L1单抗通过活化肝脏CD8^(+)IFN-γ^(+)T细胞损伤肝脏功能加重动脉粥样硬化。
基金funded by the National Key R&D Program of China(2021YFD2100700)National Natural Science Foundation of China(32021005)+1 种基金111 project(BP0719028)Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province。
文摘Bifidobacterium longum subsp.infantis is a commensal bacterium that predominates in the infant gut,playing a critical role in both preventing foreign infections and facilitating immune development.This study aimed to explore the effects of B.longum subsp.infantis supplementation on interferon-beta(IFN-β)secretion and intestinal barrier improvement in growing mice.Female and male mice were orally administered either saline or B.longum subsp.infantis CCFM1269 or I5TI(1×10^(9) CFU/mice per day,n=8)from 1-week-age until 3-,4-,and 5-week-age.RNA sequencing analysis revealed that CCFM1269 exhibited potential antiviral capacity through increasing 2'-5'oligoadenylate synthetase(OAS).Additionally,CCFM1269 supplementation significantly increased colonic IFN-β levels which combined with OAS in 3-week-old female and male mice by activating the TLR4-TRIF-dependent signaling pathway.However,this effect was not observed in 4-and 5-week-old mice.Furthermore,both CCFM1269 were found to modulate the gut microbiota composition and enhance the intestinal barrier function in 3-,4-,and 5-week-old mice.In summary,the results of this study suggested that B.longum subsp.infantis CCFM1269 promoting intestinal barrier and releasing IFN-β in growing mice was in a strain-specific and time-dependent manner.
