Hypoxia induced factor 1 plays a key role during the cell hypoxia tran sduction Hypoxia induced factor 1α (HIF 1α) is a functional subunit of hyp oxi a induced factor 1 Plateau pika ( Ochotona curzoniae ),which is a...Hypoxia induced factor 1 plays a key role during the cell hypoxia tran sduction Hypoxia induced factor 1α (HIF 1α) is a functional subunit of hyp oxi a induced factor 1 Plateau pika ( Ochotona curzoniae ),which is a Qinghai Tibet plateau native animal lived above 3 000 m,has high ratio of oxygen util ization to adapt to plateau hypoxia environments One fragment of the coding region of cDN A sequence of plateau pika HIF 1α was obtained by RT PCR technique using a deg en eracy PCR primer based on previously reported cDNA sequence in human, cattle, ho use mouse and Norway rat HIF 1α gene It was directly inserted into the vecto r pMD18 T DNA sequencing proved that it was highly homology with human (91%), c at tle (91%), house mouse (89%) and Norway rat (89%) HIF 1α gene The study prov id es basic important information for the HIF 1α cDNA whole sequence cloning of p lateau pika and its functional展开更多
目的探讨肾癌组织中肿瘤细胞周期相关蛋白(cell-cycle-related and expression-elevated protein in tumor,CREPT)的表达与临床病理特征和生存率的关系。方法纳入90例于2014至2016年间在北京大学人民医院接受了根治性肾切除术并经组织...目的探讨肾癌组织中肿瘤细胞周期相关蛋白(cell-cycle-related and expression-elevated protein in tumor,CREPT)的表达与临床病理特征和生存率的关系。方法纳入90例于2014至2016年间在北京大学人民医院接受了根治性肾切除术并经组织学证实的肾癌患者,运用免疫组织化学方法检测这些患者的癌组织和癌旁组织中CREPT的表达,并结合临床病理资料分析CREPT表达水平与患者TNM分期和Fuhrman分级的关系。通过Kaplan-Meier生存分析及多因素COX回归分析CREPT表达与预后的关系。结果46.7%(42/90)的患者癌组织中CREPT表达为高水平,而在癌旁组织中所有患者CREPT表达均为低水平,组间比较差异有统计学意义(P<0.05)。CREPT的表达水平与TNM分期(P=0.001)和Fuhrman分级(P<0.001)有关联,但与性别(P=0.149)、年龄(P=0.605)、肿瘤大小(P=0.673)和组织学类型(P=0.756)无关。截至2018年12月,有85例患者完成随访。Kaplan-Meier分析显示,CREPT高表达患者总生存时间和无瘤生存时间均低于CREPT低表达患者,差异有统计学意义(P<0.05)。多因素COX回归分析显示,患者总生存时间及无瘤生存时间与CREPT的表达水平有关(P<0.05)。结论CREPT在肾癌组织中呈高表达,表达水平与临床分期、分级以及患者预后密切相关。展开更多
文摘Hypoxia induced factor 1 plays a key role during the cell hypoxia tran sduction Hypoxia induced factor 1α (HIF 1α) is a functional subunit of hyp oxi a induced factor 1 Plateau pika ( Ochotona curzoniae ),which is a Qinghai Tibet plateau native animal lived above 3 000 m,has high ratio of oxygen util ization to adapt to plateau hypoxia environments One fragment of the coding region of cDN A sequence of plateau pika HIF 1α was obtained by RT PCR technique using a deg en eracy PCR primer based on previously reported cDNA sequence in human, cattle, ho use mouse and Norway rat HIF 1α gene It was directly inserted into the vecto r pMD18 T DNA sequencing proved that it was highly homology with human (91%), c at tle (91%), house mouse (89%) and Norway rat (89%) HIF 1α gene The study prov id es basic important information for the HIF 1α cDNA whole sequence cloning of p lateau pika and its functional
文摘目的探讨肾癌组织中肿瘤细胞周期相关蛋白(cell-cycle-related and expression-elevated protein in tumor,CREPT)的表达与临床病理特征和生存率的关系。方法纳入90例于2014至2016年间在北京大学人民医院接受了根治性肾切除术并经组织学证实的肾癌患者,运用免疫组织化学方法检测这些患者的癌组织和癌旁组织中CREPT的表达,并结合临床病理资料分析CREPT表达水平与患者TNM分期和Fuhrman分级的关系。通过Kaplan-Meier生存分析及多因素COX回归分析CREPT表达与预后的关系。结果46.7%(42/90)的患者癌组织中CREPT表达为高水平,而在癌旁组织中所有患者CREPT表达均为低水平,组间比较差异有统计学意义(P<0.05)。CREPT的表达水平与TNM分期(P=0.001)和Fuhrman分级(P<0.001)有关联,但与性别(P=0.149)、年龄(P=0.605)、肿瘤大小(P=0.673)和组织学类型(P=0.756)无关。截至2018年12月,有85例患者完成随访。Kaplan-Meier分析显示,CREPT高表达患者总生存时间和无瘤生存时间均低于CREPT低表达患者,差异有统计学意义(P<0.05)。多因素COX回归分析显示,患者总生存时间及无瘤生存时间与CREPT的表达水平有关(P<0.05)。结论CREPT在肾癌组织中呈高表达,表达水平与临床分期、分级以及患者预后密切相关。