Objective:To investigate the mechanism of JAK2/STAT3/SOCS1 signaling pathway in electroacupuncture of different acupoints on acute colitis rats.Methods:36 SPF SD rats were randomly divided into 6 groups,with 6 rats in...Objective:To investigate the mechanism of JAK2/STAT3/SOCS1 signaling pathway in electroacupuncture of different acupoints on acute colitis rats.Methods:36 SPF SD rats were randomly divided into 6 groups,with 6 rats in each group.The rat model of acute colitis was prepared by enema with glacial acetic acid solution.After the model was established,electroacupuncture was given to each acupoint group,with density wave,frequency 2Hz-50 Hz,intensity 2 mA,muscle tremor as the degree 20 min/time,1 time/day,for 3 consecutive days.Observe the general condition of rats;the pathological changes of colonic mucosa in rats were observed by HE method.The contents of serum interleukin-4(IL-4)and interleukin-8(IL-8)were detected by ELISA.Western blot and RT-PCR were used to detect the expression of JAK2,STAT3,SOCS1 protein and mRNA in rat colon tissue.Results:In contrast to the normal group,the overall condition of the model group was worse,the colonic mucosa was severely damaged,even necrotic,and the ulcer surface was obvious.The content of IL-4 in serum was obviously reduced,and the content of IL-8 was obviously go up(P<0.01).The protein content of JAK2,STAT3 and the expression of JAK2,STAT3 mRNA in colon tissue of rats were obviously go up,while the protein content of SOCS1 and the expression of SOCS1 mRNA were obviously reduced(P<0.01).In contrast to the model group,the general condition of rats in each acupoint group was significantly improved,the damage and necrosis of colonic mucosa and ulcer surface were obviously alleviated,the content of IL-4 in serum was obviously go up,and the content of IL-8 was significantly decreased(P<0.01).The protein content of JAK2,STAT3 and the expression of JAK2,STAT3 mRNA in colon tissue of rats were obviously reduced,while the protein content of SOCS1 and the expression of SOCS1 mRNA were obviously go up(P<0.05,P<0.01).Comparison of different acupoint groups,the colonic mucosal injury in the Zusanli group was significantly reduced,the content of serum IL-4 was significantly increased,and the content of IL-8 was significantly decreased(P<0.05,P<0.01).The protein content and mRNA expression of JAK2 and STAT3 in colon tissue were significantly down-regulated,while the protein content and mRNA expression of SOCS1 were significantly go up(P<0.05,P<0.01).Conclusion:Electroacupuncture at each acupoint can improve the damage of colonic mucosa and reduce the inflammatory response.The therapeutic effect of Zusanli(ST36)is better than that of Tianshu(ST25),Dachangshu(BL25)and Shangjuxu(ST37).The mechanism may be related to the regulation of JAK2/STAT3/SOCS1 signaling pathway related proteins and inflammatory cytokines IL-4 and IL-8.展开更多
目的探讨染色体区域稳定蛋白1(chromosomal region maintenance 1,CRM1)与细胞因子信号传导抑制因子1(suppressor of cytokine signaling 1,SOCS1)表达与胃癌演进、临床病理特征及预后的关系。方法采用免疫组化检测低级别上皮内瘤变胃组...目的探讨染色体区域稳定蛋白1(chromosomal region maintenance 1,CRM1)与细胞因子信号传导抑制因子1(suppressor of cytokine signaling 1,SOCS1)表达与胃癌演进、临床病理特征及预后的关系。方法采用免疫组化检测低级别上皮内瘤变胃组织27例、高级别上皮内瘤变胃组织26例,以及进展期胃癌组织67例及对应癌旁组织67例中CRM1及SOCS1蛋白表达水平,分析两者在不同病变胃黏膜中的变化以及与胃癌临床病理特征的关系,通过在线分析工具Kaplan-Meier Plotter、单因素及多因素Cox分析影响胃癌患者预后的相关因素。结果胃癌组织中CRM1表达高于癌旁组织,SOCS1表达低于癌旁组织及瘤变组织(P<0.05);CRM1在胃癌组织高表达与浸润深度及淋巴结转移有关(P<0.05);生存分析显示高表达CRM1提示预后不良(P<0.05),SOCS1表达水平与预后无关(P>0.05);在胃癌组织中,CRM1与SOCS1表达无显著相关性(R=-0.025,P=0.842)。结论CRM1和SOCS1参与胃癌发生,CRM1高表达可能参与胃癌侵袭及转移等恶性进展。展开更多
基金Natural Science Foundation of Shanxi Province(No.201801D121358)"Basic Research Special Project"of Shanxi University of Tradit Chin Med Science and Technology Innovation Ability Cultivation Program(No.2021PY-JC-13)。
文摘Objective:To investigate the mechanism of JAK2/STAT3/SOCS1 signaling pathway in electroacupuncture of different acupoints on acute colitis rats.Methods:36 SPF SD rats were randomly divided into 6 groups,with 6 rats in each group.The rat model of acute colitis was prepared by enema with glacial acetic acid solution.After the model was established,electroacupuncture was given to each acupoint group,with density wave,frequency 2Hz-50 Hz,intensity 2 mA,muscle tremor as the degree 20 min/time,1 time/day,for 3 consecutive days.Observe the general condition of rats;the pathological changes of colonic mucosa in rats were observed by HE method.The contents of serum interleukin-4(IL-4)and interleukin-8(IL-8)were detected by ELISA.Western blot and RT-PCR were used to detect the expression of JAK2,STAT3,SOCS1 protein and mRNA in rat colon tissue.Results:In contrast to the normal group,the overall condition of the model group was worse,the colonic mucosa was severely damaged,even necrotic,and the ulcer surface was obvious.The content of IL-4 in serum was obviously reduced,and the content of IL-8 was obviously go up(P<0.01).The protein content of JAK2,STAT3 and the expression of JAK2,STAT3 mRNA in colon tissue of rats were obviously go up,while the protein content of SOCS1 and the expression of SOCS1 mRNA were obviously reduced(P<0.01).In contrast to the model group,the general condition of rats in each acupoint group was significantly improved,the damage and necrosis of colonic mucosa and ulcer surface were obviously alleviated,the content of IL-4 in serum was obviously go up,and the content of IL-8 was significantly decreased(P<0.01).The protein content of JAK2,STAT3 and the expression of JAK2,STAT3 mRNA in colon tissue of rats were obviously reduced,while the protein content of SOCS1 and the expression of SOCS1 mRNA were obviously go up(P<0.05,P<0.01).Comparison of different acupoint groups,the colonic mucosal injury in the Zusanli group was significantly reduced,the content of serum IL-4 was significantly increased,and the content of IL-8 was significantly decreased(P<0.05,P<0.01).The protein content and mRNA expression of JAK2 and STAT3 in colon tissue were significantly down-regulated,while the protein content and mRNA expression of SOCS1 were significantly go up(P<0.05,P<0.01).Conclusion:Electroacupuncture at each acupoint can improve the damage of colonic mucosa and reduce the inflammatory response.The therapeutic effect of Zusanli(ST36)is better than that of Tianshu(ST25),Dachangshu(BL25)and Shangjuxu(ST37).The mechanism may be related to the regulation of JAK2/STAT3/SOCS1 signaling pathway related proteins and inflammatory cytokines IL-4 and IL-8.
文摘目的探讨染色体区域稳定蛋白1(chromosomal region maintenance 1,CRM1)与细胞因子信号传导抑制因子1(suppressor of cytokine signaling 1,SOCS1)表达与胃癌演进、临床病理特征及预后的关系。方法采用免疫组化检测低级别上皮内瘤变胃组织27例、高级别上皮内瘤变胃组织26例,以及进展期胃癌组织67例及对应癌旁组织67例中CRM1及SOCS1蛋白表达水平,分析两者在不同病变胃黏膜中的变化以及与胃癌临床病理特征的关系,通过在线分析工具Kaplan-Meier Plotter、单因素及多因素Cox分析影响胃癌患者预后的相关因素。结果胃癌组织中CRM1表达高于癌旁组织,SOCS1表达低于癌旁组织及瘤变组织(P<0.05);CRM1在胃癌组织高表达与浸润深度及淋巴结转移有关(P<0.05);生存分析显示高表达CRM1提示预后不良(P<0.05),SOCS1表达水平与预后无关(P>0.05);在胃癌组织中,CRM1与SOCS1表达无显著相关性(R=-0.025,P=0.842)。结论CRM1和SOCS1参与胃癌发生,CRM1高表达可能参与胃癌侵袭及转移等恶性进展。
