目的:研究结肠癌组织中微小RNA-183-5p(miR-183-5p)和硫酯酶超家族成员4(THEM4)的表达水平及其临床意义。方法:收集河北中石油中心医院96例结肠癌患者为研究对象,在进行根治切除术过程中收集患者结肠癌组织及癌旁正常组织。检测结肠癌...目的:研究结肠癌组织中微小RNA-183-5p(miR-183-5p)和硫酯酶超家族成员4(THEM4)的表达水平及其临床意义。方法:收集河北中石油中心医院96例结肠癌患者为研究对象,在进行根治切除术过程中收集患者结肠癌组织及癌旁正常组织。检测结肠癌组织及癌旁正常组织中miR-183-5p和THEM4 m RNA的相对表达水平。分析两者的相关性及其与预后的关系。Cox回归分析影响结肠癌患者预后的危险因素。结果:与癌旁正常组织相比,结肠癌组织中miR-183-5p表达水平升高(P<0.05),THEM4 m RNA表达水平降低(P<0.05)。结肠癌组织中miR-183-5p与THEM4 m RNA表达呈负相关(r=-0.529,P<0.05)。miR-183-5p高表达组生存率低于低表达组(P<0.05),THEM4高表达组生存率显著高于低表达组(P<0.05)。TNM分期(Ⅲ~Ⅳ)、miR-183-5p高表达、THEM4低表达是结肠癌患者不良预后的危险因素(P<0.05)。结论:结肠癌织中miR-183-5p表达水平升高,THEM4表达水平降低,两者均与患者临床病理特征及预后密切相关。展开更多
Objective To investigate miR-183-5p targeting to forkhead box protein O1(FOXO1)and its corresponding effect on the proliferation,migration,invasion,and epithelial-mesenchymal transition(EMT)of non-small cell lung canc...Objective To investigate miR-183-5p targeting to forkhead box protein O1(FOXO1)and its corresponding effect on the proliferation,migration,invasion,and epithelial-mesenchymal transition(EMT)of non-small cell lung cancer(NSCLC)cells.Methods NSCLC tissues and adjacent normal tissues from 60 patients with NSCLC adenocarcinoma were obtained via pathological biopsy or intraoperative resection.Several cell lines were cultured in vitro,including the human normal lung epithelial cell line BEAS-2B and human NSCLC cell lines A549,SPCA-1,PC-9,and 95-D.miR-183-5p and FOXO1 mRNA expression in tissues and cells were detected by qRT-PCR;the corresponding correlations in NSCLC tissues were analyzed using the Pearson test,and the relationship between miR-183-5p expression and clinicopathological parameters was analyzed.The miR-183-5p-mediated regulation of FOXO1 was verified by bioinformatics prediction alongside double luciferase,RNA-binding protein immunoprecipitation(RIP)assay,and pull-down experiments.A549 cells were divided into control,anti-miR-NC,anti-miR-183-5p,miR-NC,miR-183-5p,miR-183-5p+pcDNA3.1,and miR-183-5p+pcDNA3.1-FOXO1 groups.Cell proliferation,invasion,migration,apoptosis,and cell cycle distribution were detected using an MTT assay,clone formation assay,Transwell assay,scratch test,and flow cytometry,respectively.The expression of EMT-related proteins in the cells was analyzed by western blotting.The effect of miR-185-3p silencing on the development of transplanted tumors was detected by analyzing tumor formation in nude mice.Results miR-183-5p expression was significantly higher in NSCLC tissues and cells than in adjacent normal tissues,whereas FOXO1 mRNA expression was significantly down-regulated.There was a significant negative correlation between miR-183-5p and FOXO1 mRNA in NSCLC tissues(P<0.05).Additionally,the expression of miR-183-5p was significantly correlated with tumor size,tumor differentiation,and tumor-node-metastasis stage in patients with NSCLC(P<0.05).miR-183-5p targeted and inhibited FOXO1 expression.Compared to the anti-miR-NC group,the cell proliferation,scratch healing rate,N-cadherin and vimentin protein expression,and the proportion of S phase cells were significantly lower in the anti-miR-183-5p group,whereas the protein expression of E-cadherin andα-catenin and the proportion of G0/G1 phase cells were significantly higher;additionally,the frequency of colony formation and invasion were significantly lower in the anti-miR-183-5p group(P<0.05).Compared to the miR-NC group,the cell proliferation,scratch healing rate,N-cadherin and vimentin protein expression,and the proportion of S phase cells in the miR-183-5p group were significantly higher,whereas the E-cadherin andα-catenin protein expression and the proportion of G0/G1 phase cells were significantly lower;furthermore,the frequency of colony formation and invasion were significantly higher in the miR-183-5p group(P<0.05).Compared with the miR-183-5p+pcDNA3.1 group,the OD value,scratch healing rate,N-cadherin and vimentin protein expression,and the proportion of S phase cells were significantly lower in the miR-183-5p+pcDNA3.1-FOXO1 group,whereas E-cadherin andα-catenin protein expression and the proportion of G0/G1 phase cells were significantly higher;additionally,the frequency of colony formation and invasion was significantly lower in the miR-183-5p+pcDNA3.1-FOXO1 group(P<0.05).Overall,silencing miR-185-3p inhibited the growth of transplanted tumors and promoted FOXO1 expression.Conclusion Overexpression of miR-183-5p can inhibit apoptosis and promote the proliferation,migration,invasion,and EMT,of NSCLC cells by down-regulating FOXO1 expression.展开更多
目的探讨新生儿急性呼吸窘迫综合征(acute respiratory distress syndrome,ARDS)患者血清miR-183-5p的表达及其与白细胞介素-1β(IL-1β)、白细胞介素-6(IL-6)及肿瘤坏死因子-α(TNF-α)的相关性。方法选取保定市第二中心医院收治的87例...目的探讨新生儿急性呼吸窘迫综合征(acute respiratory distress syndrome,ARDS)患者血清miR-183-5p的表达及其与白细胞介素-1β(IL-1β)、白细胞介素-6(IL-6)及肿瘤坏死因子-α(TNF-α)的相关性。方法选取保定市第二中心医院收治的87例ARDS新生儿为研究对象。根据ARDS患儿出院时生存情况分为生存组(n=68)和死亡组(n=24),按照新生儿危重评分结果分为非危重组(n=53,>90分)、危重组(n=24,70~90分)、极危重组(n=15,<70分),比较各组血清miR-183-5p,IL-1β,IL-6及TNF-α水平差异。ARDS患儿miR-183-5p与IL-1β,IL-6及TNF-α的相关性采用Pearson相关分析。结果与生存组比较,死亡组血清miR-183-5p(2.15±0.94 vs 0.96±0.38),IL-1β(168.20±30.62 vs 110.25±19.30,pg/mL),IL-6(217.28±44.27 vs 151.30±32.46,pg/mL)及TNF-α(81.16±19.24 vs 48.27±14.30,pg/mL)水平均明显升高(P<0.001)。随着病情加重ARDS患儿血清miR-183-5p,IL-1β,IL-6及TNF-α水平逐渐升高,极危重组>危重组>非危重组(P<0.001)。相关分析显示,ARDS患儿血清miR-183-5p表达水平与IL-1β,IL-6及TNF-α均呈正相关(P<0.001)。结论ARDS患儿血清miR-183-5p高表达与IL-1β,IL-6,TNF-α水平及病情严重程度相关,可能是预测ARDS患儿病情严重程度的生物学指标。展开更多
文摘目的:研究结肠癌组织中微小RNA-183-5p(miR-183-5p)和硫酯酶超家族成员4(THEM4)的表达水平及其临床意义。方法:收集河北中石油中心医院96例结肠癌患者为研究对象,在进行根治切除术过程中收集患者结肠癌组织及癌旁正常组织。检测结肠癌组织及癌旁正常组织中miR-183-5p和THEM4 m RNA的相对表达水平。分析两者的相关性及其与预后的关系。Cox回归分析影响结肠癌患者预后的危险因素。结果:与癌旁正常组织相比,结肠癌组织中miR-183-5p表达水平升高(P<0.05),THEM4 m RNA表达水平降低(P<0.05)。结肠癌组织中miR-183-5p与THEM4 m RNA表达呈负相关(r=-0.529,P<0.05)。miR-183-5p高表达组生存率低于低表达组(P<0.05),THEM4高表达组生存率显著高于低表达组(P<0.05)。TNM分期(Ⅲ~Ⅳ)、miR-183-5p高表达、THEM4低表达是结肠癌患者不良预后的危险因素(P<0.05)。结论:结肠癌织中miR-183-5p表达水平升高,THEM4表达水平降低,两者均与患者临床病理特征及预后密切相关。
文摘Objective To investigate miR-183-5p targeting to forkhead box protein O1(FOXO1)and its corresponding effect on the proliferation,migration,invasion,and epithelial-mesenchymal transition(EMT)of non-small cell lung cancer(NSCLC)cells.Methods NSCLC tissues and adjacent normal tissues from 60 patients with NSCLC adenocarcinoma were obtained via pathological biopsy or intraoperative resection.Several cell lines were cultured in vitro,including the human normal lung epithelial cell line BEAS-2B and human NSCLC cell lines A549,SPCA-1,PC-9,and 95-D.miR-183-5p and FOXO1 mRNA expression in tissues and cells were detected by qRT-PCR;the corresponding correlations in NSCLC tissues were analyzed using the Pearson test,and the relationship between miR-183-5p expression and clinicopathological parameters was analyzed.The miR-183-5p-mediated regulation of FOXO1 was verified by bioinformatics prediction alongside double luciferase,RNA-binding protein immunoprecipitation(RIP)assay,and pull-down experiments.A549 cells were divided into control,anti-miR-NC,anti-miR-183-5p,miR-NC,miR-183-5p,miR-183-5p+pcDNA3.1,and miR-183-5p+pcDNA3.1-FOXO1 groups.Cell proliferation,invasion,migration,apoptosis,and cell cycle distribution were detected using an MTT assay,clone formation assay,Transwell assay,scratch test,and flow cytometry,respectively.The expression of EMT-related proteins in the cells was analyzed by western blotting.The effect of miR-185-3p silencing on the development of transplanted tumors was detected by analyzing tumor formation in nude mice.Results miR-183-5p expression was significantly higher in NSCLC tissues and cells than in adjacent normal tissues,whereas FOXO1 mRNA expression was significantly down-regulated.There was a significant negative correlation between miR-183-5p and FOXO1 mRNA in NSCLC tissues(P<0.05).Additionally,the expression of miR-183-5p was significantly correlated with tumor size,tumor differentiation,and tumor-node-metastasis stage in patients with NSCLC(P<0.05).miR-183-5p targeted and inhibited FOXO1 expression.Compared to the anti-miR-NC group,the cell proliferation,scratch healing rate,N-cadherin and vimentin protein expression,and the proportion of S phase cells were significantly lower in the anti-miR-183-5p group,whereas the protein expression of E-cadherin andα-catenin and the proportion of G0/G1 phase cells were significantly higher;additionally,the frequency of colony formation and invasion were significantly lower in the anti-miR-183-5p group(P<0.05).Compared to the miR-NC group,the cell proliferation,scratch healing rate,N-cadherin and vimentin protein expression,and the proportion of S phase cells in the miR-183-5p group were significantly higher,whereas the E-cadherin andα-catenin protein expression and the proportion of G0/G1 phase cells were significantly lower;furthermore,the frequency of colony formation and invasion were significantly higher in the miR-183-5p group(P<0.05).Compared with the miR-183-5p+pcDNA3.1 group,the OD value,scratch healing rate,N-cadherin and vimentin protein expression,and the proportion of S phase cells were significantly lower in the miR-183-5p+pcDNA3.1-FOXO1 group,whereas E-cadherin andα-catenin protein expression and the proportion of G0/G1 phase cells were significantly higher;additionally,the frequency of colony formation and invasion was significantly lower in the miR-183-5p+pcDNA3.1-FOXO1 group(P<0.05).Overall,silencing miR-185-3p inhibited the growth of transplanted tumors and promoted FOXO1 expression.Conclusion Overexpression of miR-183-5p can inhibit apoptosis and promote the proliferation,migration,invasion,and EMT,of NSCLC cells by down-regulating FOXO1 expression.
文摘目的探讨新生儿急性呼吸窘迫综合征(acute respiratory distress syndrome,ARDS)患者血清miR-183-5p的表达及其与白细胞介素-1β(IL-1β)、白细胞介素-6(IL-6)及肿瘤坏死因子-α(TNF-α)的相关性。方法选取保定市第二中心医院收治的87例ARDS新生儿为研究对象。根据ARDS患儿出院时生存情况分为生存组(n=68)和死亡组(n=24),按照新生儿危重评分结果分为非危重组(n=53,>90分)、危重组(n=24,70~90分)、极危重组(n=15,<70分),比较各组血清miR-183-5p,IL-1β,IL-6及TNF-α水平差异。ARDS患儿miR-183-5p与IL-1β,IL-6及TNF-α的相关性采用Pearson相关分析。结果与生存组比较,死亡组血清miR-183-5p(2.15±0.94 vs 0.96±0.38),IL-1β(168.20±30.62 vs 110.25±19.30,pg/mL),IL-6(217.28±44.27 vs 151.30±32.46,pg/mL)及TNF-α(81.16±19.24 vs 48.27±14.30,pg/mL)水平均明显升高(P<0.001)。随着病情加重ARDS患儿血清miR-183-5p,IL-1β,IL-6及TNF-α水平逐渐升高,极危重组>危重组>非危重组(P<0.001)。相关分析显示,ARDS患儿血清miR-183-5p表达水平与IL-1β,IL-6及TNF-α均呈正相关(P<0.001)。结论ARDS患儿血清miR-183-5p高表达与IL-1β,IL-6,TNF-α水平及病情严重程度相关,可能是预测ARDS患儿病情严重程度的生物学指标。
