Objective:to investigate the expression of yeast silencing information regulator 2(Sirt2)in the secondary injury of intracerebral hemorrhage(ICH).Methods:twelve Sprague Dawley(SD)rats were randomly divided into a sham...Objective:to investigate the expression of yeast silencing information regulator 2(Sirt2)in the secondary injury of intracerebral hemorrhage(ICH).Methods:twelve Sprague Dawley(SD)rats were randomly divided into a sham group and an ICH group,with six rats in each group.A rat model of ICH was established by injecting collagenase type IV into the right striatum of the rats.The expression of Sirt2 was measured by Western blot and immunohistochemistry after ICH.Result:the behavioral score of the ICH rats was the lowest at 48 h after the operation;therefore the rats at 48 h after surgery were selected as the model rats.The expression of Sirt2 was significantly higher in the striatal tissue of the ICH rats compared with the sham group(P<0.05).Conclusion:the expression of Sirt2 around hematoma in ICH rats decreases,and Sirt2 is expected to become a new target for ICH treatment.展开更多
目的探讨miR-204和沉默信息调节因子1(silence information regulator 1,SIRT1)在结直肠癌组织中的表达情况及其临床价值。方法收集2018年5月至2020年6月嘉兴大学附属医院胃肠外科诊治的60例结直肠癌患者的癌组织标本和癌旁组织标本为...目的探讨miR-204和沉默信息调节因子1(silence information regulator 1,SIRT1)在结直肠癌组织中的表达情况及其临床价值。方法收集2018年5月至2020年6月嘉兴大学附属医院胃肠外科诊治的60例结直肠癌患者的癌组织标本和癌旁组织标本为研究对象,采用实时荧光定量聚合酶链反应检测miR-204及SIRT1的基因表达情况,Pearson分析比较miR-204与SIRT1基因的表达相关性。采用免疫组织化学SABC法检测SIRT1蛋白表达,并比较不同SIRT1蛋白表达与临床病理特征的关系。Kaplan-Meier法分析不同SIRT1蛋白表达的结直肠癌患者的生存差异。结果癌组织中miR-204基因mRNA表达显著低于癌旁组织(P<0.05),SIRT1基因mRNA表达显著高于癌旁组织(P<0.05)。癌组织中SIRT1蛋白表达阳性率显著高于癌旁组织(P<0.05)。Pearson相关分析显示miR-204与SIRT1基因mRNA在癌旁组织和癌组织中的表达均呈负相关(r=–0.647、–0.737,P<0.05)。SIRT1蛋白的表达与结直肠癌的分化水平、浸润层次、淋巴结转移与否及TNM分期相关(P<0.05),与患者的年龄、性别、肿瘤大小及肿瘤部位无关(P>0.05)。Kaplan-Meier分析显示癌组织中SIRT1阳性表达患者的生存率显著低于SIRT1阴性表达患者(χ^(2)=5.001,P=0.025)。结论结直肠癌组织中miR-204表达下调,SIRT1表达上调,二者可能通过相互影响共同促进结直肠癌的转移、侵袭,并影响患者预后。展开更多
基金supported by the funds from Doctorate Program Funding of Hebei Normal University,Hebei Province,China(Grant No.198693)General Project of the National Natural Science Foundation of China(Project No.81873180).
文摘Objective:to investigate the expression of yeast silencing information regulator 2(Sirt2)in the secondary injury of intracerebral hemorrhage(ICH).Methods:twelve Sprague Dawley(SD)rats were randomly divided into a sham group and an ICH group,with six rats in each group.A rat model of ICH was established by injecting collagenase type IV into the right striatum of the rats.The expression of Sirt2 was measured by Western blot and immunohistochemistry after ICH.Result:the behavioral score of the ICH rats was the lowest at 48 h after the operation;therefore the rats at 48 h after surgery were selected as the model rats.The expression of Sirt2 was significantly higher in the striatal tissue of the ICH rats compared with the sham group(P<0.05).Conclusion:the expression of Sirt2 around hematoma in ICH rats decreases,and Sirt2 is expected to become a new target for ICH treatment.
文摘目的探讨miR-204和沉默信息调节因子1(silence information regulator 1,SIRT1)在结直肠癌组织中的表达情况及其临床价值。方法收集2018年5月至2020年6月嘉兴大学附属医院胃肠外科诊治的60例结直肠癌患者的癌组织标本和癌旁组织标本为研究对象,采用实时荧光定量聚合酶链反应检测miR-204及SIRT1的基因表达情况,Pearson分析比较miR-204与SIRT1基因的表达相关性。采用免疫组织化学SABC法检测SIRT1蛋白表达,并比较不同SIRT1蛋白表达与临床病理特征的关系。Kaplan-Meier法分析不同SIRT1蛋白表达的结直肠癌患者的生存差异。结果癌组织中miR-204基因mRNA表达显著低于癌旁组织(P<0.05),SIRT1基因mRNA表达显著高于癌旁组织(P<0.05)。癌组织中SIRT1蛋白表达阳性率显著高于癌旁组织(P<0.05)。Pearson相关分析显示miR-204与SIRT1基因mRNA在癌旁组织和癌组织中的表达均呈负相关(r=–0.647、–0.737,P<0.05)。SIRT1蛋白的表达与结直肠癌的分化水平、浸润层次、淋巴结转移与否及TNM分期相关(P<0.05),与患者的年龄、性别、肿瘤大小及肿瘤部位无关(P>0.05)。Kaplan-Meier分析显示癌组织中SIRT1阳性表达患者的生存率显著低于SIRT1阴性表达患者(χ^(2)=5.001,P=0.025)。结论结直肠癌组织中miR-204表达下调,SIRT1表达上调,二者可能通过相互影响共同促进结直肠癌的转移、侵袭,并影响患者预后。