Background:This study explores the relationship between endoplasmic reticulum(ER)stress and diabetes,particularly focusing on the impact of physical exercise on ER stress mechanisms and identifying potential therapeut...Background:This study explores the relationship between endoplasmic reticulum(ER)stress and diabetes,particularly focusing on the impact of physical exercise on ER stress mechanisms and identifying potential therapeutic drugs and targets for diabetes-related sepsis.The research also incorporates traditional physical therapy perspectives,emphasizing the genomic insights gained from exercise therapy in disease management and prevention.Methods:Gene analysis was conducted on the GSE168796 and GSE94717 datasets to identify ER stress-related genes.Gene interactions and immune cell correlations were mapped using GeneCard and STRING databases.A screening of 2,456 compounds from the TCMSP database was performed to identify potential therapeutic agents,with a focus on their docking potential.Techniques such as luciferase reporter gene assay and RNA interference were used to examine the interactions between microRNA-149-5p and MMP9.Results:The study identified 2,006 differentially expressed genes and 616 miRNAs.Key genes like MMP9,TNF-α,and IL1B were linked to an immunosuppressive state.Licorice glycoside E demonstrated high affinity for MMP9,suggesting its potential effectiveness in treating diabetes.The constructed miRNA network highlighted the regulatory roles of MMP9,IL1B,IFNG,and TNF-α.Experimental evidence confirmed the binding of microRNA-149-5p to MMP9,impacting apoptosis in diabetic cells.Conclusion:The findings highlight the regulatory role of microRNA-149-5p in managing MMP9,a crucial gene in diabetes pathophysiology.Licorice glycoside E emerges as a promising treatment option for diabetes,especially targeting MMP9 affected by ER stress.The study also underscores the significance of physical exercise in modulating ER stress pathways in diabetes management,bridging traditional physical therapy and modern scientific understanding.Our study has limitations.It focuses on the microRNA-149-5p-MMP9 network in sepsis,using cell-based methods without animal or clinical trials.Despite strong in vitro findings,in vivo studies are needed to confirm licorice glycoside E’s therapeutic potential and understand the microRNA-149-5p-MMP9 dynamics in real conditions.展开更多
目的探索UHRF1基因与结直肠癌(CRC)患者临床病理特性的关系,慢病毒转染过表达和敲减UHRF1对CRC细胞增殖、侵袭及迁移的影响及可能的信号通路。方法免疫组织化学和RT-PCR法检测112例CRC癌组织与癌旁组织UHRF1的表达。构建慢病毒转染过表...目的探索UHRF1基因与结直肠癌(CRC)患者临床病理特性的关系,慢病毒转染过表达和敲减UHRF1对CRC细胞增殖、侵袭及迁移的影响及可能的信号通路。方法免疫组织化学和RT-PCR法检测112例CRC癌组织与癌旁组织UHRF1的表达。构建慢病毒转染过表达和敲减UHRF1载体,分别转染SW480和HCT116细胞株,RT-PCR和Western blot检测转染前后及IWP-2(WNT拮抗剂)和HLY78(WNT活化剂)干预前后的UHRF1、WNT信号通路关键分子和MMP9的表达。EDU检测细胞增殖能力;Transwell实验检测细胞迁移和侵袭能力。结果(1)TCGA数据库和临床数据中,癌组织中UHRF1 m RNA和蛋白表达均高于正常组织。UHRF1表达量与TNM分期、N和M分期密切相关。TCGA中UHRF1低表达患者有更长的5年OS和疾病相关存活时间(DSS),UHRF1预测1、3和5年OS的ROC曲线下面积(AUC)分别为0.634、0.652和0.771;在临床数据中3年OS也有相同生存获益,UHRF1高表达是CRC不良预后因素。(2)过表达UHRF1后,SW480中WNT3a、GSK3β和MMP9分子表达明显升高,p-β-catenin表达下降(P<0.05);敲减UHRF1后,HCT116细胞中WNT3a、GSK3β、MMP9表达下降,而p-β-catenin表达升高(P<0.05);分别用IWP-2和HLY78进行“拯救”实验,能够获得一致结果。(3)过表达组细胞增殖、迁移和侵袭能力明显高于对照组;IWP-2处理后,细胞增殖、迁移及侵袭能力则受到抑制。敲减实验呈现与过表达实验相反的结果。结论UHRF1在CRC发生发展中可能具有重要作用,UHRF1高表达可能是CRC不良预后因素,UHRF1可能通过WNT/MMP9信号通路来影响CRC的增殖、迁移和侵袭。展开更多
Female pelvic organ prolapse(POP)is a common disorder that affects the quality of life of women considerably.Studies in China have reported a 9.6%prevalence of symptomatic POP in adult women[1],with a higher prevalenc...Female pelvic organ prolapse(POP)is a common disorder that affects the quality of life of women considerably.Studies in China have reported a 9.6%prevalence of symptomatic POP in adult women[1],with a higher prevalence among older women.展开更多
目的探讨轴抑制因子(AXIN)通过β-catenin调控MMP7、MMP9对淋巴瘤细胞侵袭迁移能力的影响。方法用RT-PCR和Western blot法观察多株淋巴瘤细胞株里AXIN、β-catenin、MMP7、MMP9的表达情况;选取AXIN相对低表达的淋巴瘤细胞分组瞬时转染p ...目的探讨轴抑制因子(AXIN)通过β-catenin调控MMP7、MMP9对淋巴瘤细胞侵袭迁移能力的影响。方法用RT-PCR和Western blot法观察多株淋巴瘤细胞株里AXIN、β-catenin、MMP7、MMP9的表达情况;选取AXIN相对低表达的淋巴瘤细胞分组瞬时转染p CMV5-HA-Axin和pc DNA5-His-β-catenin质粒,采用RT-PCR和Western blot法观察其细胞中β-catenin、MMP7、MMP9 m RNA及蛋白表达变化;构建稳定高表达AXIN的淋巴瘤细胞后,分组瞬时转染AXIN-sh RNA和β-catenin-sh RNA后观察β-catenin、MMP7、MMP9 m RNA及蛋白变化;采用Transwell侵袭实验观察空白处理对照组、稳定高表达AXIN组、干扰AXIN的稳定高表达AXIN组细胞侵袭和迁移能力变化。结果多株淋巴瘤细胞株中AXIN与β-catenin、MMP7、MMP9表达呈负相关;选用AXIN相对低表达的人恶性B淋巴瘤细胞株Raji,过表达AXIN后发现AXIN升高后,β-catenin、MMP7、MMP9的蛋白表达降低,MMP7、MMP9、β-catenin m RNA未变化;当过表达β-catenin后发现MMP7、MMP9 m RNA和蛋白表达升高;另外,稳定高表达AXIN的细胞中干扰AXIN,β-catenin、MMP7、MMP9蛋白表达升高,MMP7、MMP9、β-catenin m RNA未变化;稳定高表达AXIN的细胞中干扰β-catenin,MMP7、MMP9表达降低;证实AXIN通过β-catenin调控MMP7、MMP9影响淋巴瘤细胞的侵袭和迁移。结论在淋巴瘤细胞中升高AXIN可引起β-catenin表达下降,进而MMP7、MMP9表达下降,抑制淋巴瘤细胞的侵袭和迁移。展开更多
文摘Background:This study explores the relationship between endoplasmic reticulum(ER)stress and diabetes,particularly focusing on the impact of physical exercise on ER stress mechanisms and identifying potential therapeutic drugs and targets for diabetes-related sepsis.The research also incorporates traditional physical therapy perspectives,emphasizing the genomic insights gained from exercise therapy in disease management and prevention.Methods:Gene analysis was conducted on the GSE168796 and GSE94717 datasets to identify ER stress-related genes.Gene interactions and immune cell correlations were mapped using GeneCard and STRING databases.A screening of 2,456 compounds from the TCMSP database was performed to identify potential therapeutic agents,with a focus on their docking potential.Techniques such as luciferase reporter gene assay and RNA interference were used to examine the interactions between microRNA-149-5p and MMP9.Results:The study identified 2,006 differentially expressed genes and 616 miRNAs.Key genes like MMP9,TNF-α,and IL1B were linked to an immunosuppressive state.Licorice glycoside E demonstrated high affinity for MMP9,suggesting its potential effectiveness in treating diabetes.The constructed miRNA network highlighted the regulatory roles of MMP9,IL1B,IFNG,and TNF-α.Experimental evidence confirmed the binding of microRNA-149-5p to MMP9,impacting apoptosis in diabetic cells.Conclusion:The findings highlight the regulatory role of microRNA-149-5p in managing MMP9,a crucial gene in diabetes pathophysiology.Licorice glycoside E emerges as a promising treatment option for diabetes,especially targeting MMP9 affected by ER stress.The study also underscores the significance of physical exercise in modulating ER stress pathways in diabetes management,bridging traditional physical therapy and modern scientific understanding.Our study has limitations.It focuses on the microRNA-149-5p-MMP9 network in sepsis,using cell-based methods without animal or clinical trials.Despite strong in vitro findings,in vivo studies are needed to confirm licorice glycoside E’s therapeutic potential and understand the microRNA-149-5p-MMP9 dynamics in real conditions.
文摘目的探索UHRF1基因与结直肠癌(CRC)患者临床病理特性的关系,慢病毒转染过表达和敲减UHRF1对CRC细胞增殖、侵袭及迁移的影响及可能的信号通路。方法免疫组织化学和RT-PCR法检测112例CRC癌组织与癌旁组织UHRF1的表达。构建慢病毒转染过表达和敲减UHRF1载体,分别转染SW480和HCT116细胞株,RT-PCR和Western blot检测转染前后及IWP-2(WNT拮抗剂)和HLY78(WNT活化剂)干预前后的UHRF1、WNT信号通路关键分子和MMP9的表达。EDU检测细胞增殖能力;Transwell实验检测细胞迁移和侵袭能力。结果(1)TCGA数据库和临床数据中,癌组织中UHRF1 m RNA和蛋白表达均高于正常组织。UHRF1表达量与TNM分期、N和M分期密切相关。TCGA中UHRF1低表达患者有更长的5年OS和疾病相关存活时间(DSS),UHRF1预测1、3和5年OS的ROC曲线下面积(AUC)分别为0.634、0.652和0.771;在临床数据中3年OS也有相同生存获益,UHRF1高表达是CRC不良预后因素。(2)过表达UHRF1后,SW480中WNT3a、GSK3β和MMP9分子表达明显升高,p-β-catenin表达下降(P<0.05);敲减UHRF1后,HCT116细胞中WNT3a、GSK3β、MMP9表达下降,而p-β-catenin表达升高(P<0.05);分别用IWP-2和HLY78进行“拯救”实验,能够获得一致结果。(3)过表达组细胞增殖、迁移和侵袭能力明显高于对照组;IWP-2处理后,细胞增殖、迁移及侵袭能力则受到抑制。敲减实验呈现与过表达实验相反的结果。结论UHRF1在CRC发生发展中可能具有重要作用,UHRF1高表达可能是CRC不良预后因素,UHRF1可能通过WNT/MMP9信号通路来影响CRC的增殖、迁移和侵袭。
基金Supported by a grant from The National Natural Science Foundation of China[no.82271613]
文摘Female pelvic organ prolapse(POP)is a common disorder that affects the quality of life of women considerably.Studies in China have reported a 9.6%prevalence of symptomatic POP in adult women[1],with a higher prevalence among older women.
文摘目的探讨轴抑制因子(AXIN)通过β-catenin调控MMP7、MMP9对淋巴瘤细胞侵袭迁移能力的影响。方法用RT-PCR和Western blot法观察多株淋巴瘤细胞株里AXIN、β-catenin、MMP7、MMP9的表达情况;选取AXIN相对低表达的淋巴瘤细胞分组瞬时转染p CMV5-HA-Axin和pc DNA5-His-β-catenin质粒,采用RT-PCR和Western blot法观察其细胞中β-catenin、MMP7、MMP9 m RNA及蛋白表达变化;构建稳定高表达AXIN的淋巴瘤细胞后,分组瞬时转染AXIN-sh RNA和β-catenin-sh RNA后观察β-catenin、MMP7、MMP9 m RNA及蛋白变化;采用Transwell侵袭实验观察空白处理对照组、稳定高表达AXIN组、干扰AXIN的稳定高表达AXIN组细胞侵袭和迁移能力变化。结果多株淋巴瘤细胞株中AXIN与β-catenin、MMP7、MMP9表达呈负相关;选用AXIN相对低表达的人恶性B淋巴瘤细胞株Raji,过表达AXIN后发现AXIN升高后,β-catenin、MMP7、MMP9的蛋白表达降低,MMP7、MMP9、β-catenin m RNA未变化;当过表达β-catenin后发现MMP7、MMP9 m RNA和蛋白表达升高;另外,稳定高表达AXIN的细胞中干扰AXIN,β-catenin、MMP7、MMP9蛋白表达升高,MMP7、MMP9、β-catenin m RNA未变化;稳定高表达AXIN的细胞中干扰β-catenin,MMP7、MMP9表达降低;证实AXIN通过β-catenin调控MMP7、MMP9影响淋巴瘤细胞的侵袭和迁移。结论在淋巴瘤细胞中升高AXIN可引起β-catenin表达下降,进而MMP7、MMP9表达下降,抑制淋巴瘤细胞的侵袭和迁移。
