目的 探讨分离酶(ESPL1)基因在卵巢癌中的表达及意义。方法 利用GEPIA数据库,对比相应正常组织,分析ESPL1在泛癌及卵巢癌中的表达。运用The Human Protein Atlas数据库,分析ESPL1蛋白在卵巢及卵巢癌组织中表达及定位;应用String数据库绘...目的 探讨分离酶(ESPL1)基因在卵巢癌中的表达及意义。方法 利用GEPIA数据库,对比相应正常组织,分析ESPL1在泛癌及卵巢癌中的表达。运用The Human Protein Atlas数据库,分析ESPL1蛋白在卵巢及卵巢癌组织中表达及定位;应用String数据库绘制ESPL1基因的相关蛋白网络图,并进行基因功能富集分析。使用Kaplan-Meier Plotter网站,对ESPL1表达影响不同临床特征患者预后指标及化疗药物疗效进行分析。结果 ESPL1在14种恶性肿瘤中表达明显上调,而在食管癌中表达量下调;与正常卵巢组织相比,在卵巢癌中ESPL1基因在mRNA及蛋白质水平的表达显著升高,在卵巢癌中表达定位于细胞膜或浆及核中。与ESPL1基因相互作用蛋白有SMC3、KIF11、PTTG1等10个,主要富集在细胞周期、卵母细胞减数分裂等信号通路。Kaplan-Meier生存分析显示,ESPL1高表达的卵巢癌患者总生存时间明显短于ESPL1低表达者,且临床I+II期患者总生存期较短(P<0.05),其它期别及病理分级的患者预后无差异;应用多西他赛单药组中,ESPL1高表达组较低表达组总生存期下降,有显著差异(P<0.05),而在铂类、紫杉醇、泰素、吉西他滨、拓扑替康单药治疗的患者中,两组间无显著性差异。结论 ESPL1基因在多种肿瘤组织及卵巢癌组织中高表达;其相互作用的网络蛋白主要富集在细胞周期信号通路;高表达ESPL1基因的卵巢癌患者预后差,特别是早期卵巢癌患者,化疗药物不宜选择多西他赛。该基因也许可作为卵巢癌预后及一线化疗药物选择潜在参考指标。展开更多
背景与目的:低密度脂蛋白受体相关蛋白8(low-density lipoprotein receptor-related protein 8,LRP8)在肝癌、肺癌、乳腺癌、结直肠癌等多种肿瘤发生中起重要作用,分析LRP8在胃癌中的表达及其意义,探讨LRP8作为胃癌生物治疗新靶点的可...背景与目的:低密度脂蛋白受体相关蛋白8(low-density lipoprotein receptor-related protein 8,LRP8)在肝癌、肺癌、乳腺癌、结直肠癌等多种肿瘤发生中起重要作用,分析LRP8在胃癌中的表达及其意义,探讨LRP8作为胃癌生物治疗新靶点的可能性。方法:利用人类癌症基因组图谱(The Cancer Genome Atlas,TCGA)和基因表达汇编(Gene Expression Omnibus,GEO)数据库分析LRP8在胃癌组织中的表达;对胃癌中与LRP8共表达的基因进行基因本体(GeneOntology,GO)和京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)分析;利用RNA干扰技术及细胞功能实验,测定LRP8表达对胃癌细胞系AGS增殖和迁移能力的影响,并检测LRP8敲低对Wnt信号通路活性的影响。利用Kaplan-Meier plotter数据库分析LRP8高低表达与胃癌患者预后的相关性;分析TCGA数据库中240例和郑州大学第五附属医院2018年8月—2019年7月行全胃切除术或部分切除术的25例胃癌患者LRP8表达及其与临床病理学特征之间的关系。结果:TCGA数据库中胃癌组织中LRP8表达高于正常胃黏膜,差异有统计学意义(P<0.000 1),GEO数据库中3项研究结果一致(P<0.05)。细胞功能实验表明,AGS细胞系中沉默LRP8表达后,相比对照组,si-LRP8组AGS细胞在体外增殖率和迁移率下降(P<0.05),且Wnt通路下游关键靶点β-catenin、LRP5、POU5F1、CCND1、AXIN2表达下调(P<0.05);KaplanMeier plotter数据库中两项芯片的生存分析显示,LRP8高表达患者预后不良(均P<0.05);TCGA数据库中分析显示,LRP8高表达与胃癌患者年龄呈正相关(P<0.001);回顾性分析显示LRP8高表达与胃癌分期正相关(P=0.034)。结论:LRP8在胃癌中高表达,并通过影响Wnt/β-catenin信号转导通路促进胃癌细胞恶性行为。LRP8的高表达与胃癌患者的远期生存率下降相关,有望成为胃癌患者治疗或预后的生物学标志物。展开更多
BACKGROUND Kinesin super family 23(KIF23)is a member of the KIF family,and it plays an important role in mitosis and cytokinesis.Loss of expression can cause mitotic arrest.The Oncomine database is one of the largest ...BACKGROUND Kinesin super family 23(KIF23)is a member of the KIF family,and it plays an important role in mitosis and cytokinesis.Loss of expression can cause mitotic arrest.The Oncomine database is one of the largest oncogene chip databases in the world,and is an integrated data mining platform for cancer gene information.By querying the database,differences in expression between tumor tissue and normal tissue can be determined.AIM To study the expression and prognostic significance of KIF23 in gastric cancer(GC).METHODS We used immunohistochemistry to compare the expression of KIF23 in GC and normal gastric tissues.We mined the data on the expression and prognosis of KIF23 in GC using Oncomine and Kaplan-Meier plotter database.RESULTS Compared with normal gastric tissues,KIF23 expression was increased in GC tissues,and correlated with T,N,and tumor-node-metastasis stages.Survival analysis showed that patients with high expression of KIF23 had a poor overall survival.There were five studies in the Oncomine database in which expression of KIF23 was significantly higher in GC tissues than in normal gastric tissues(P<0.05).Kaplan-Meier plotter database analysis showed that recurrence-free survival,overall survival,distant metastasis free survival,and post progression survival of patients with high expression of KIF23 were lower than those of patients with low expression.Further stratified analysis found that prognostic survival indicators worsened in patients with T2 and T3 poorly differentiated adenocarcinoma with high expression of KIF23.CONCLUSION KIF23 is highly expressed in GC and is associated with a poor prognosis of patients.It may be of great significance in the diagnosis,treatment,and prognostic evaluation of GC.展开更多
文摘目的 探讨分离酶(ESPL1)基因在卵巢癌中的表达及意义。方法 利用GEPIA数据库,对比相应正常组织,分析ESPL1在泛癌及卵巢癌中的表达。运用The Human Protein Atlas数据库,分析ESPL1蛋白在卵巢及卵巢癌组织中表达及定位;应用String数据库绘制ESPL1基因的相关蛋白网络图,并进行基因功能富集分析。使用Kaplan-Meier Plotter网站,对ESPL1表达影响不同临床特征患者预后指标及化疗药物疗效进行分析。结果 ESPL1在14种恶性肿瘤中表达明显上调,而在食管癌中表达量下调;与正常卵巢组织相比,在卵巢癌中ESPL1基因在mRNA及蛋白质水平的表达显著升高,在卵巢癌中表达定位于细胞膜或浆及核中。与ESPL1基因相互作用蛋白有SMC3、KIF11、PTTG1等10个,主要富集在细胞周期、卵母细胞减数分裂等信号通路。Kaplan-Meier生存分析显示,ESPL1高表达的卵巢癌患者总生存时间明显短于ESPL1低表达者,且临床I+II期患者总生存期较短(P<0.05),其它期别及病理分级的患者预后无差异;应用多西他赛单药组中,ESPL1高表达组较低表达组总生存期下降,有显著差异(P<0.05),而在铂类、紫杉醇、泰素、吉西他滨、拓扑替康单药治疗的患者中,两组间无显著性差异。结论 ESPL1基因在多种肿瘤组织及卵巢癌组织中高表达;其相互作用的网络蛋白主要富集在细胞周期信号通路;高表达ESPL1基因的卵巢癌患者预后差,特别是早期卵巢癌患者,化疗药物不宜选择多西他赛。该基因也许可作为卵巢癌预后及一线化疗药物选择潜在参考指标。
文摘背景与目的:低密度脂蛋白受体相关蛋白8(low-density lipoprotein receptor-related protein 8,LRP8)在肝癌、肺癌、乳腺癌、结直肠癌等多种肿瘤发生中起重要作用,分析LRP8在胃癌中的表达及其意义,探讨LRP8作为胃癌生物治疗新靶点的可能性。方法:利用人类癌症基因组图谱(The Cancer Genome Atlas,TCGA)和基因表达汇编(Gene Expression Omnibus,GEO)数据库分析LRP8在胃癌组织中的表达;对胃癌中与LRP8共表达的基因进行基因本体(GeneOntology,GO)和京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)分析;利用RNA干扰技术及细胞功能实验,测定LRP8表达对胃癌细胞系AGS增殖和迁移能力的影响,并检测LRP8敲低对Wnt信号通路活性的影响。利用Kaplan-Meier plotter数据库分析LRP8高低表达与胃癌患者预后的相关性;分析TCGA数据库中240例和郑州大学第五附属医院2018年8月—2019年7月行全胃切除术或部分切除术的25例胃癌患者LRP8表达及其与临床病理学特征之间的关系。结果:TCGA数据库中胃癌组织中LRP8表达高于正常胃黏膜,差异有统计学意义(P<0.000 1),GEO数据库中3项研究结果一致(P<0.05)。细胞功能实验表明,AGS细胞系中沉默LRP8表达后,相比对照组,si-LRP8组AGS细胞在体外增殖率和迁移率下降(P<0.05),且Wnt通路下游关键靶点β-catenin、LRP5、POU5F1、CCND1、AXIN2表达下调(P<0.05);KaplanMeier plotter数据库中两项芯片的生存分析显示,LRP8高表达患者预后不良(均P<0.05);TCGA数据库中分析显示,LRP8高表达与胃癌患者年龄呈正相关(P<0.001);回顾性分析显示LRP8高表达与胃癌分期正相关(P=0.034)。结论:LRP8在胃癌中高表达,并通过影响Wnt/β-catenin信号转导通路促进胃癌细胞恶性行为。LRP8的高表达与胃癌患者的远期生存率下降相关,有望成为胃癌患者治疗或预后的生物学标志物。
文摘BACKGROUND Kinesin super family 23(KIF23)is a member of the KIF family,and it plays an important role in mitosis and cytokinesis.Loss of expression can cause mitotic arrest.The Oncomine database is one of the largest oncogene chip databases in the world,and is an integrated data mining platform for cancer gene information.By querying the database,differences in expression between tumor tissue and normal tissue can be determined.AIM To study the expression and prognostic significance of KIF23 in gastric cancer(GC).METHODS We used immunohistochemistry to compare the expression of KIF23 in GC and normal gastric tissues.We mined the data on the expression and prognosis of KIF23 in GC using Oncomine and Kaplan-Meier plotter database.RESULTS Compared with normal gastric tissues,KIF23 expression was increased in GC tissues,and correlated with T,N,and tumor-node-metastasis stages.Survival analysis showed that patients with high expression of KIF23 had a poor overall survival.There were five studies in the Oncomine database in which expression of KIF23 was significantly higher in GC tissues than in normal gastric tissues(P<0.05).Kaplan-Meier plotter database analysis showed that recurrence-free survival,overall survival,distant metastasis free survival,and post progression survival of patients with high expression of KIF23 were lower than those of patients with low expression.Further stratified analysis found that prognostic survival indicators worsened in patients with T2 and T3 poorly differentiated adenocarcinoma with high expression of KIF23.CONCLUSION KIF23 is highly expressed in GC and is associated with a poor prognosis of patients.It may be of great significance in the diagnosis,treatment,and prognostic evaluation of GC.
