目的探讨长链非编码RNA HULC在胃癌中的表达及分子机制.方法取2012-12/2017-02医院收治胃癌患者42例,患者均行手术治疗,取患者癌组织与癌旁组织,采用实时荧光定量PCR技术测定癌症组织与癌旁组织中长链非编码RNA HULC表达水平,进一步分...目的探讨长链非编码RNA HULC在胃癌中的表达及分子机制.方法取2012-12/2017-02医院收治胃癌患者42例,患者均行手术治疗,取患者癌组织与癌旁组织,采用实时荧光定量PCR技术测定癌症组织与癌旁组织中长链非编码RNA HULC表达水平,进一步分析与临床病理资料的关系.结果 42例胃癌组织中长链非编码RNA HULC表达水平高于癌旁组织(0.41±0.12 vs 0.20±0.10,P<0.05);胃癌组织中长链非编码R N A HULC表达与性别、年龄、肿瘤大小及肿瘤位置差异无统计学意义(P>0.05);长链非编码RNA HULC表达与胃癌的分化程度、淋巴结转移及TNM分期关系密切(P<0.05).多因素Logistic回归分析显示:长链非编码RNA HULC表达与胃癌的分化程度、淋巴结转移及TNM分期关系密切(P<0.05).结论在胃癌组织中长链非编码RNA HULC表达呈高表达,并且与临床病理资料具有紧密的联系,能判断胃癌肿瘤的恶性程度,指导临床治疗.展开更多
BACKGROUND Long non-coding RNA(lncRNA)is abnormally expressed in various malignant tumors.In recent years,it has been found that IncRNA HULC is increasingly expressed in pancreatic cancer tissues and is involved in th...BACKGROUND Long non-coding RNA(lncRNA)is abnormally expressed in various malignant tumors.In recent years,it has been found that IncRNA HULC is increasingly expressed in pancreatic cancer tissues and is involved in the development and progression of pancreatic cancer.However,the clinical value of serum HULC in pancreatic cancer remains unclear,and there are few studies on how HULC regulates the biological function of pancreatic cancer cells.AIM To determine the value of lncRNA HULC in the diagnosis and prognosis of pancreatic cancer,and its possible biological potential.METHODS Sixty patients with pancreatic cancer and sixty patients with benign pancreatic diseases admitted to Xiangya Hospital,Central South University were assigned to the pancreatic cancer group and the benign disease group,respectively,and another 60 healthy subjects were enrolled as the normal group during the same period.HULC-siRNA and NC-siRNA were transfected into pancreatic cancer cells.Quantitative real-time polymerase chain reaction was performed to determine the expression of HULC in tissues,serum,and cells.Western Blot was carried out to determine the expression ofβ-catenin,c-myc,and cyclin D1 in cells,and the cell counting kit-8,flow cytometry,and Transwell assay were conducted to determine the proliferation,apoptosis and invasion of cells.RESULTS Highly expressed in the tissues and serum of pancreatic cancer patients,HULC showed good clinical value in distinguishing between patients with pancreatic cancer,patients with benign pancreatic diseases and healthy subjects.HULC was related to pathological parameters including tumor size,T staging,M staging and vascular invasion,and the area-under-the-curve for evaluating these four expression of HULC had a significantly higher 3-year overall survival(OS)and 5-year OS than those with high expression.T staging,M staging,vascular invasion,and HULC were independent prognostic factors affecting the 3-year OS of patients with pancreatic cancer.Inhibition of HULC expression prevented the proliferation and invasion of pancreatic cancer cells,promoted apoptosis,and inhibited the expression of Wnt/β-catenin signaling pathway-related proteins,β-catenin,c-myc,and cyclin D1.The Wnt/β-catenin signaling pathway agonist(LiCl)restored proliferation,apoptosis,and invasion of pancreatic cancer cells with inhibited expression of HULC.CONCLUSION HULC is an effective marker for the diagnosis and prognosis of pancreatic cancer,which may affect the biological function of pancreatic cancer cells through the Wnt/β-catenin signaling pathway.展开更多
文摘目的探讨长链非编码RNA HULC在胃癌中的表达及分子机制.方法取2012-12/2017-02医院收治胃癌患者42例,患者均行手术治疗,取患者癌组织与癌旁组织,采用实时荧光定量PCR技术测定癌症组织与癌旁组织中长链非编码RNA HULC表达水平,进一步分析与临床病理资料的关系.结果 42例胃癌组织中长链非编码RNA HULC表达水平高于癌旁组织(0.41±0.12 vs 0.20±0.10,P<0.05);胃癌组织中长链非编码R N A HULC表达与性别、年龄、肿瘤大小及肿瘤位置差异无统计学意义(P>0.05);长链非编码RNA HULC表达与胃癌的分化程度、淋巴结转移及TNM分期关系密切(P<0.05).多因素Logistic回归分析显示:长链非编码RNA HULC表达与胃癌的分化程度、淋巴结转移及TNM分期关系密切(P<0.05).结论在胃癌组织中长链非编码RNA HULC表达呈高表达,并且与临床病理资料具有紧密的联系,能判断胃癌肿瘤的恶性程度,指导临床治疗.
基金Supported by the Hunan Natural Science Youth Foundation,No.2017JJ3508
文摘BACKGROUND Long non-coding RNA(lncRNA)is abnormally expressed in various malignant tumors.In recent years,it has been found that IncRNA HULC is increasingly expressed in pancreatic cancer tissues and is involved in the development and progression of pancreatic cancer.However,the clinical value of serum HULC in pancreatic cancer remains unclear,and there are few studies on how HULC regulates the biological function of pancreatic cancer cells.AIM To determine the value of lncRNA HULC in the diagnosis and prognosis of pancreatic cancer,and its possible biological potential.METHODS Sixty patients with pancreatic cancer and sixty patients with benign pancreatic diseases admitted to Xiangya Hospital,Central South University were assigned to the pancreatic cancer group and the benign disease group,respectively,and another 60 healthy subjects were enrolled as the normal group during the same period.HULC-siRNA and NC-siRNA were transfected into pancreatic cancer cells.Quantitative real-time polymerase chain reaction was performed to determine the expression of HULC in tissues,serum,and cells.Western Blot was carried out to determine the expression ofβ-catenin,c-myc,and cyclin D1 in cells,and the cell counting kit-8,flow cytometry,and Transwell assay were conducted to determine the proliferation,apoptosis and invasion of cells.RESULTS Highly expressed in the tissues and serum of pancreatic cancer patients,HULC showed good clinical value in distinguishing between patients with pancreatic cancer,patients with benign pancreatic diseases and healthy subjects.HULC was related to pathological parameters including tumor size,T staging,M staging and vascular invasion,and the area-under-the-curve for evaluating these four expression of HULC had a significantly higher 3-year overall survival(OS)and 5-year OS than those with high expression.T staging,M staging,vascular invasion,and HULC were independent prognostic factors affecting the 3-year OS of patients with pancreatic cancer.Inhibition of HULC expression prevented the proliferation and invasion of pancreatic cancer cells,promoted apoptosis,and inhibited the expression of Wnt/β-catenin signaling pathway-related proteins,β-catenin,c-myc,and cyclin D1.The Wnt/β-catenin signaling pathway agonist(LiCl)restored proliferation,apoptosis,and invasion of pancreatic cancer cells with inhibited expression of HULC.CONCLUSION HULC is an effective marker for the diagnosis and prognosis of pancreatic cancer,which may affect the biological function of pancreatic cancer cells through the Wnt/β-catenin signaling pathway.
