In this paper,the biological function of PLK-1,the correlation between PLK-1 and tumors,and the latest research progress on PLK-1 inhibitors under study are reviewed,in order to provide references for the research and...In this paper,the biological function of PLK-1,the correlation between PLK-1 and tumors,and the latest research progress on PLK-1 inhibitors under study are reviewed,in order to provide references for the research and development of PLK-1 inhibitors.展开更多
Invasive breast carcinoma(BRCA)is associated with poor prognosis and high risk of mortality.Therefore,it is critical to identify novel biomarkers for the prognostic assessment of BRCA.Methods:The expression data of po...Invasive breast carcinoma(BRCA)is associated with poor prognosis and high risk of mortality.Therefore,it is critical to identify novel biomarkers for the prognostic assessment of BRCA.Methods:The expression data of polo-like kinase 1(PLK1)in BRCA and the corresponding clinical information were extracted from TCGA and GEO databases.PLK1 expression was validated in diverse breast cancer cell lines by quantitative real-time polymerase chain reaction(qRT-PCR)and western blotting.Single sample gene set enrichment analysis(ssGSEA)was performed to evaluate immune infiltration in the BRCA microenvironment,and the random forest(RF)and support vector machine(SVM)algorithms were used to screen for the hub infiltrating cells and calculate the immunophenoscore(IPS).The RF algorithm and COX regression model were applied to calculate survival risk scores based on the PLK1 expression and immune cell infiltration.Finally,a prognostic nomogram was constructed with the risk score and pathological stage,and its clinical potential was evaluated by plotting calibration charts and DCA curves.The application of the nomogram was further validated in an immunotherapy cohort.Results:PLK1 expression was significantly higher in the tumor samples in TCGA-BRCA cohort.Furthermore,PLK1 expression level,age and stage were identified as independent prognostic factors of BRCA.While the IPS was unaffected by PLK1 expression,the TMB and MATH scores were higher in the PLK1-high group,and the TIDE scores were higher for the PLK1-low patients.We also identified 6 immune cell types with high infiltration,along with 11 immune cell types with low infiltration in the PLK1-high tumors.A risk score was devised using PLK1 expression and hub immune cells,which predicted the prognosis of BRCA patients.In addition,a nomogram was constructed based on the risk score and pathological staging,and showed good predictive performance.Conclusions:PLK1 expression and immune cell infiltration can predict post-immunotherapy prognosis of BRCA patients.展开更多
背景:巨噬细胞的能量代谢和极化状态在动脉粥样硬化的进展中起关键作用。中医药通过调控巨噬细胞代谢途径展示出防治动脉粥样硬化的潜力。目的:综述腺苷酸活化蛋白激酶调控巨噬细胞能量代谢和极化状态的研究进展,并探讨中医药防治动脉...背景:巨噬细胞的能量代谢和极化状态在动脉粥样硬化的进展中起关键作用。中医药通过调控巨噬细胞代谢途径展示出防治动脉粥样硬化的潜力。目的:综述腺苷酸活化蛋白激酶调控巨噬细胞能量代谢和极化状态的研究进展,并探讨中医药防治动脉粥样硬化的作用机制。方法:计算机检索Web of Science、PubMed及中国知网等数据库,检索时限为各数据库建库至2024年6月。中文检索词为“AMPK,脂肪酸氧化,巨噬细胞极化,中药,动脉粥样硬化,冠心病”等;英文检索词为“AMPK,fatty acid oxidation,macrophage polarization,Traditional Chinese Medicine,atherosclerosis,coronary heart disease”等,最终纳入62篇文献。结果与结论:①巨噬细胞的能量代谢从氧化磷酸化向糖酵解的转变,在动脉粥样硬化进展中起关键作用。在巨噬细胞中腺苷酸活化蛋白激酶激活后,通过促进脂肪酸氧化和M2型极化,发挥抗炎和稳定动脉斑块的作用。②中药单药(如人参、黄芪、黄精等)及复方(如黄连解毒汤、养心舒脉颗粒、调肝导浊方等)通过调控腺苷酸活化蛋白激酶途径干预核因子κB、过氧化物酶体增殖物激活受体γ、哺乳动物雷帕霉素靶蛋白等多条信号通路影响巨噬细胞的代谢方式,改变细胞功能,从而发挥治疗疾病的作用。③未来的研究应关注腺苷酸活化蛋白激酶、代谢与极化途径的相互作用,以及中药如何通过这些途径发挥治疗作用,为动脉粥样硬化的治疗提供新的策略。展开更多
文摘In this paper,the biological function of PLK-1,the correlation between PLK-1 and tumors,and the latest research progress on PLK-1 inhibitors under study are reviewed,in order to provide references for the research and development of PLK-1 inhibitors.
基金funded by the Natural Science Foundation of Higher Education Institutions of Auhui Province(Grant No.KJ2021A0352)the Research Fund Project of Anhui Medical University(Grant No.2020xkj236)Applied Medicine Research Project of Hefei Health Commission(Grant No.HWKJ2019-172-14).
文摘Invasive breast carcinoma(BRCA)is associated with poor prognosis and high risk of mortality.Therefore,it is critical to identify novel biomarkers for the prognostic assessment of BRCA.Methods:The expression data of polo-like kinase 1(PLK1)in BRCA and the corresponding clinical information were extracted from TCGA and GEO databases.PLK1 expression was validated in diverse breast cancer cell lines by quantitative real-time polymerase chain reaction(qRT-PCR)and western blotting.Single sample gene set enrichment analysis(ssGSEA)was performed to evaluate immune infiltration in the BRCA microenvironment,and the random forest(RF)and support vector machine(SVM)algorithms were used to screen for the hub infiltrating cells and calculate the immunophenoscore(IPS).The RF algorithm and COX regression model were applied to calculate survival risk scores based on the PLK1 expression and immune cell infiltration.Finally,a prognostic nomogram was constructed with the risk score and pathological stage,and its clinical potential was evaluated by plotting calibration charts and DCA curves.The application of the nomogram was further validated in an immunotherapy cohort.Results:PLK1 expression was significantly higher in the tumor samples in TCGA-BRCA cohort.Furthermore,PLK1 expression level,age and stage were identified as independent prognostic factors of BRCA.While the IPS was unaffected by PLK1 expression,the TMB and MATH scores were higher in the PLK1-high group,and the TIDE scores were higher for the PLK1-low patients.We also identified 6 immune cell types with high infiltration,along with 11 immune cell types with low infiltration in the PLK1-high tumors.A risk score was devised using PLK1 expression and hub immune cells,which predicted the prognosis of BRCA patients.In addition,a nomogram was constructed based on the risk score and pathological staging,and showed good predictive performance.Conclusions:PLK1 expression and immune cell infiltration can predict post-immunotherapy prognosis of BRCA patients.
文摘背景:巨噬细胞的能量代谢和极化状态在动脉粥样硬化的进展中起关键作用。中医药通过调控巨噬细胞代谢途径展示出防治动脉粥样硬化的潜力。目的:综述腺苷酸活化蛋白激酶调控巨噬细胞能量代谢和极化状态的研究进展,并探讨中医药防治动脉粥样硬化的作用机制。方法:计算机检索Web of Science、PubMed及中国知网等数据库,检索时限为各数据库建库至2024年6月。中文检索词为“AMPK,脂肪酸氧化,巨噬细胞极化,中药,动脉粥样硬化,冠心病”等;英文检索词为“AMPK,fatty acid oxidation,macrophage polarization,Traditional Chinese Medicine,atherosclerosis,coronary heart disease”等,最终纳入62篇文献。结果与结论:①巨噬细胞的能量代谢从氧化磷酸化向糖酵解的转变,在动脉粥样硬化进展中起关键作用。在巨噬细胞中腺苷酸活化蛋白激酶激活后,通过促进脂肪酸氧化和M2型极化,发挥抗炎和稳定动脉斑块的作用。②中药单药(如人参、黄芪、黄精等)及复方(如黄连解毒汤、养心舒脉颗粒、调肝导浊方等)通过调控腺苷酸活化蛋白激酶途径干预核因子κB、过氧化物酶体增殖物激活受体γ、哺乳动物雷帕霉素靶蛋白等多条信号通路影响巨噬细胞的代谢方式,改变细胞功能,从而发挥治疗疾病的作用。③未来的研究应关注腺苷酸活化蛋白激酶、代谢与极化途径的相互作用,以及中药如何通过这些途径发挥治疗作用,为动脉粥样硬化的治疗提供新的策略。
