目的:比较优化的急救绿色通道与常规通道2种途径直接经皮冠状动脉介入治疗(PCI)对急性ST段抬高心肌梗死(STEMI)首次医疗接触至球囊扩张(FMC2B)时间及急诊PCI预后的影响。方法 :STEMI患者183例,分为优化的绿色通道组及常规通道组,观察FM...目的:比较优化的急救绿色通道与常规通道2种途径直接经皮冠状动脉介入治疗(PCI)对急性ST段抬高心肌梗死(STEMI)首次医疗接触至球囊扩张(FMC2B)时间及急诊PCI预后的影响。方法 :STEMI患者183例,分为优化的绿色通道组及常规通道组,观察FMC2B、就诊至球囊扩张(D2B)时间、住院及随访期间主要心血管事件发生率,并分析心血管事件相关危险因素。结果:与常规通道组比较,绿色通道组患者的FMC2B、D2B时间显著缩短(100.3 min vs.145.6 min;77.1 min vs.115.4 min,均P<0.05),住院期间死亡率较低(5.0%vs.15.7%,P<0.05),随访期间再次因心源性疾病入院、全因死亡及心源性死亡率均明显低于常规通道组(均P<0.05)。结论:优化的绿色通道模式可显著缩短FMC2B、D2B时间,并改善近、远期临床预后。展开更多
Background:Hepatocellular carcinoma(HCC)is a prevalent liver malignancy.This study examined the roles of transforming growth factor beta(TGF-β)and cytochrome b5 domain containing 2(CYB5D2)in HCC etiology and their pr...Background:Hepatocellular carcinoma(HCC)is a prevalent liver malignancy.This study examined the roles of transforming growth factor beta(TGF-β)and cytochrome b5 domain containing 2(CYB5D2)in HCC etiology and their prognostic biomarker potential.Methods:Key modules and prognostic genes were identified by analyzing the GSE101685 dataset by weighted gene co-expression network analysis(WGCNA)and Least absolute shrinkage and selection operator(LASSO)Cox regression.The expression levels of CYB5D2 and TGF-βin HCC cell lines were quantified using Quantitative reverse transcription polymerase chain reaction(qRT-PCR)and Western blotting(WB)assays.Effects of CYB5D2 overexpression on cell proliferation,migration,invasion,and epithelial-mesenchymal transition(EMT)marker regulation were assessed in vitro,while in vivo tumorigenicity was evaluated using a xenograft model of HCC in nude mice.Results:In this study,WGCNA identified the turquoise module as significantly associated with HCC,containing 452 DEGs.LASSO Cox regression analysis revealed 9 key prognostic genes,with CYB5D2 being underexpressed in HCC cells and tissues.TGF-βwas negatively correlated with CYB5D2 expression,resulting in poor patient prognosis.Functional assays demonstrated that CYB5D2 overexpression inhibited proliferation,migration,and invasion of HCC cell lines,and altered EMT marker expression.Furthermore,the addition of TGF-βpartially reversed the suppressive effects caused by CYB5D2 overexpression.In vivo,CYB5D2 overexpression significantly reduced tumor growth,indicating its potential as a therapeutic target for HCC.Conclusion:The tumor suppressor function of CYB5D2 in HCC and its interaction with TGF-βoffered fresh information on the molecular pathophysiology of HCC and possible treatment avenues.展开更多
文摘目的:比较优化的急救绿色通道与常规通道2种途径直接经皮冠状动脉介入治疗(PCI)对急性ST段抬高心肌梗死(STEMI)首次医疗接触至球囊扩张(FMC2B)时间及急诊PCI预后的影响。方法 :STEMI患者183例,分为优化的绿色通道组及常规通道组,观察FMC2B、就诊至球囊扩张(D2B)时间、住院及随访期间主要心血管事件发生率,并分析心血管事件相关危险因素。结果:与常规通道组比较,绿色通道组患者的FMC2B、D2B时间显著缩短(100.3 min vs.145.6 min;77.1 min vs.115.4 min,均P<0.05),住院期间死亡率较低(5.0%vs.15.7%,P<0.05),随访期间再次因心源性疾病入院、全因死亡及心源性死亡率均明显低于常规通道组(均P<0.05)。结论:优化的绿色通道模式可显著缩短FMC2B、D2B时间,并改善近、远期临床预后。
基金National Natural Science Foundation of China Youth Training Project(2021GZR003)Medical-Engineering Interdisciplinary Research Youth Training Project(2022YGJC001).
文摘Background:Hepatocellular carcinoma(HCC)is a prevalent liver malignancy.This study examined the roles of transforming growth factor beta(TGF-β)and cytochrome b5 domain containing 2(CYB5D2)in HCC etiology and their prognostic biomarker potential.Methods:Key modules and prognostic genes were identified by analyzing the GSE101685 dataset by weighted gene co-expression network analysis(WGCNA)and Least absolute shrinkage and selection operator(LASSO)Cox regression.The expression levels of CYB5D2 and TGF-βin HCC cell lines were quantified using Quantitative reverse transcription polymerase chain reaction(qRT-PCR)and Western blotting(WB)assays.Effects of CYB5D2 overexpression on cell proliferation,migration,invasion,and epithelial-mesenchymal transition(EMT)marker regulation were assessed in vitro,while in vivo tumorigenicity was evaluated using a xenograft model of HCC in nude mice.Results:In this study,WGCNA identified the turquoise module as significantly associated with HCC,containing 452 DEGs.LASSO Cox regression analysis revealed 9 key prognostic genes,with CYB5D2 being underexpressed in HCC cells and tissues.TGF-βwas negatively correlated with CYB5D2 expression,resulting in poor patient prognosis.Functional assays demonstrated that CYB5D2 overexpression inhibited proliferation,migration,and invasion of HCC cell lines,and altered EMT marker expression.Furthermore,the addition of TGF-βpartially reversed the suppressive effects caused by CYB5D2 overexpression.In vivo,CYB5D2 overexpression significantly reduced tumor growth,indicating its potential as a therapeutic target for HCC.Conclusion:The tumor suppressor function of CYB5D2 in HCC and its interaction with TGF-βoffered fresh information on the molecular pathophysiology of HCC and possible treatment avenues.
