Objective:To study the effects of Shenqi Tiaoshen Formula(SQTS)on the inflammatory response of MH-S cells induced by cigarette smoking extract(CSE)and its mechanism based on TLR4/NF-kB/NLRP3 pathway.Methods:MH-S cells...Objective:To study the effects of Shenqi Tiaoshen Formula(SQTS)on the inflammatory response of MH-S cells induced by cigarette smoking extract(CSE)and its mechanism based on TLR4/NF-kB/NLRP3 pathway.Methods:MH-S cells were used as subjects to evaluate cell viability by CCK-8 method.The levels of TNF-α,IL-1βand IL-6 in the supernatant were detected by ELISA.ROS were detected by DCFH-DA fluorescence probe.Western blotting was used to detect the expression of TLR4/NF-kB/NLRP3 pathway protein,and TAK-242,a TLR4 inhibitor,was used to verify the role of SQTS in the TLR4/NF-kB/NLRP3 pathway.Results:Compared with blank group,the cell survival rate of CSE group was decreased,and the contents of inflammatory cytokines TNF-α,IL-1βand IL-6 were increased(P<0.05),ROS fluorescence expression level was significantly increased(P<0.01),TLR4/NF-kB/NLRP3 pathway protein expression was significantly increased(P<0.05);Compared with CSE group,the survival rate of cells in SQTS groups was increased,and the expression levels of the above indexes were decreased(P<0.05),and TLR4/NF-kB/NLRP3 pathway protein decreased in TAK-242 groups(P<0.05).Conclusion:SQTS can reduce the inflammatory response of MH-S cells induced by CSE by inhibiting TLR4/NF-kB/NLRP3 pathway.展开更多
目的:探究清肺通络膏对流感病毒诱导的肺炎大鼠肺组织中PI3K/AKT/NF-KB信号传导通路的调控机制。方法:将40只Wistar大鼠随机分为正常组,模型组,清肺通络膏高、中、低剂量组,除正常组外,采用鼻腔接种流感病毒FM1株诱导Wistar幼龄大鼠肺炎...目的:探究清肺通络膏对流感病毒诱导的肺炎大鼠肺组织中PI3K/AKT/NF-KB信号传导通路的调控机制。方法:将40只Wistar大鼠随机分为正常组,模型组,清肺通络膏高、中、低剂量组,除正常组外,采用鼻腔接种流感病毒FM1株诱导Wistar幼龄大鼠肺炎,在感染后各治疗组采用清肺通络膏贴敷于大鼠背部肺脏投影区治疗。观察各组大鼠的一般状态;肺组织形态学;采用免疫组化染色法检测各组大鼠肺组织PI3K,AKT,核因子NFB p65的表达水平。结果:与正常组相比,模型组大鼠肺组织中PI3K,AKT,NF-k B p65的表达显著增高(P<0.05),清肺通络膏高剂量组PI3K,AKT,NF-k B p65的表达较模型组明显降低(P<0.05)。结论:清肺通络膏通过抑制PI3K/AKT信号通路,使NF-k B p65表达降低,从而减轻了肺组织的病理损伤,达到治疗目的。展开更多
基金Regional Innovation Development Joint Fund of National Natural Science Foundation of China(No.U20A20398)Clinical Medical Research Transformation Project of Anhui Provincial Science and Technology Department(No.202204295107020045)。
文摘Objective:To study the effects of Shenqi Tiaoshen Formula(SQTS)on the inflammatory response of MH-S cells induced by cigarette smoking extract(CSE)and its mechanism based on TLR4/NF-kB/NLRP3 pathway.Methods:MH-S cells were used as subjects to evaluate cell viability by CCK-8 method.The levels of TNF-α,IL-1βand IL-6 in the supernatant were detected by ELISA.ROS were detected by DCFH-DA fluorescence probe.Western blotting was used to detect the expression of TLR4/NF-kB/NLRP3 pathway protein,and TAK-242,a TLR4 inhibitor,was used to verify the role of SQTS in the TLR4/NF-kB/NLRP3 pathway.Results:Compared with blank group,the cell survival rate of CSE group was decreased,and the contents of inflammatory cytokines TNF-α,IL-1βand IL-6 were increased(P<0.05),ROS fluorescence expression level was significantly increased(P<0.01),TLR4/NF-kB/NLRP3 pathway protein expression was significantly increased(P<0.05);Compared with CSE group,the survival rate of cells in SQTS groups was increased,and the expression levels of the above indexes were decreased(P<0.05),and TLR4/NF-kB/NLRP3 pathway protein decreased in TAK-242 groups(P<0.05).Conclusion:SQTS can reduce the inflammatory response of MH-S cells induced by CSE by inhibiting TLR4/NF-kB/NLRP3 pathway.
文摘目的:探究清肺通络膏对流感病毒诱导的肺炎大鼠肺组织中PI3K/AKT/NF-KB信号传导通路的调控机制。方法:将40只Wistar大鼠随机分为正常组,模型组,清肺通络膏高、中、低剂量组,除正常组外,采用鼻腔接种流感病毒FM1株诱导Wistar幼龄大鼠肺炎,在感染后各治疗组采用清肺通络膏贴敷于大鼠背部肺脏投影区治疗。观察各组大鼠的一般状态;肺组织形态学;采用免疫组化染色法检测各组大鼠肺组织PI3K,AKT,核因子NFB p65的表达水平。结果:与正常组相比,模型组大鼠肺组织中PI3K,AKT,NF-k B p65的表达显著增高(P<0.05),清肺通络膏高剂量组PI3K,AKT,NF-k B p65的表达较模型组明显降低(P<0.05)。结论:清肺通络膏通过抑制PI3K/AKT信号通路,使NF-k B p65表达降低,从而减轻了肺组织的病理损伤,达到治疗目的。
