Background:Long non-coding RNAs(lncRNAs)act as epigenetic regulators for tumor hallmarks.This investigation sought to probe the carcinogenic trait of PAN3-AS1 across pan-cancer comprehensively.Methods:We studied the d...Background:Long non-coding RNAs(lncRNAs)act as epigenetic regulators for tumor hallmarks.This investigation sought to probe the carcinogenic trait of PAN3-AS1 across pan-cancer comprehensively.Methods:We studied the diagnostic and prognostic features and the immune landscape of PAN3-AS1 across pan-cancer by bioinformatics approaches.The hierarchical regulatory networks governing PAN3-AS1 expression in colon cancer were explored via chromatin immunoprecipitation,luciferase activity assays,and RNA immunoprecipitation,etc.We screened drugs sensitive to WAP four-disulfide core domain 13(WFDC13)by virtual screening and molecular docking.Results:Single-cell transcriptomics demonstrated that a variety of immune populations abnormally expressed PAN3-AS1 beyond tumor cells.Integration of data from multiple databases revealed that PAN3-AS1 was highly expressed and associated with a bad prognosis in various malignancies.Notably,PAN3-AS1 expression was correlated with a suppressive immune microenvironment.Moreover,we observed poor immunotherapy efficacy when PAN3-AS1 was highly expressed in melanoma.In vitro assays and functional enrichment analysis revealed that PAN3-AS1 was associated with cell proliferation and the immune response in colon cancer.Our experiments confirmed that PAN3-AS1 facilitated WFDC13 expression through competitive binding to hsa-miR-423-5p in colon cancer.Moreover,the present paper illustrated that enhancer activity exerts an important modulatory ability for PAN3-AS1 expression.Conclusion:In short,PAN3-AS1 is a valuable biomarker for diagnosis and prognosis.PAN3-AS1 exhibits linkage to a cold tumor immune microenvironment(TME)and forecasts durable benefit from immunotherapy.Addressing the PAN3-AS1/miR-423-5p/WFDC13 axis might provide a novel option for improving immunotherapy efficacy in colon cancer.展开更多
静电纺丝纳米纤维膜作为锂离子电池隔膜使用时具有优良的性能,但是由于纤维间抱合力较小,强度较低,其应用受到了极大限制。通过耐高温相PAN与低熔点相PVDF两种聚合物混纺,并经过适当的热压后处理,使PVDF部分熔融形成点粘结,制备PAN-PVD...静电纺丝纳米纤维膜作为锂离子电池隔膜使用时具有优良的性能,但是由于纤维间抱合力较小,强度较低,其应用受到了极大限制。通过耐高温相PAN与低熔点相PVDF两种聚合物混纺,并经过适当的热压后处理,使PVDF部分熔融形成点粘结,制备PAN-PVDF复合纳米纤维膜,并测试其相关性能。发现在保留静电纺膜优良性能的前提下,其强度相对处理前提高了近10倍,并表现出良好的电化学性能:室温下离子电导率达到1.32×10-3S/cm,聚合物电解质分解电压高达5.24 V,界面阻抗仅为45Ω,0.2 C首次放电比容量高达152 m Ah/g,综合性能远优于美国CELGARD2400。展开更多
基金supported by the Shandong Province Medical and Health Technology Project(202303111442).
文摘Background:Long non-coding RNAs(lncRNAs)act as epigenetic regulators for tumor hallmarks.This investigation sought to probe the carcinogenic trait of PAN3-AS1 across pan-cancer comprehensively.Methods:We studied the diagnostic and prognostic features and the immune landscape of PAN3-AS1 across pan-cancer by bioinformatics approaches.The hierarchical regulatory networks governing PAN3-AS1 expression in colon cancer were explored via chromatin immunoprecipitation,luciferase activity assays,and RNA immunoprecipitation,etc.We screened drugs sensitive to WAP four-disulfide core domain 13(WFDC13)by virtual screening and molecular docking.Results:Single-cell transcriptomics demonstrated that a variety of immune populations abnormally expressed PAN3-AS1 beyond tumor cells.Integration of data from multiple databases revealed that PAN3-AS1 was highly expressed and associated with a bad prognosis in various malignancies.Notably,PAN3-AS1 expression was correlated with a suppressive immune microenvironment.Moreover,we observed poor immunotherapy efficacy when PAN3-AS1 was highly expressed in melanoma.In vitro assays and functional enrichment analysis revealed that PAN3-AS1 was associated with cell proliferation and the immune response in colon cancer.Our experiments confirmed that PAN3-AS1 facilitated WFDC13 expression through competitive binding to hsa-miR-423-5p in colon cancer.Moreover,the present paper illustrated that enhancer activity exerts an important modulatory ability for PAN3-AS1 expression.Conclusion:In short,PAN3-AS1 is a valuable biomarker for diagnosis and prognosis.PAN3-AS1 exhibits linkage to a cold tumor immune microenvironment(TME)and forecasts durable benefit from immunotherapy.Addressing the PAN3-AS1/miR-423-5p/WFDC13 axis might provide a novel option for improving immunotherapy efficacy in colon cancer.
文摘静电纺丝纳米纤维膜作为锂离子电池隔膜使用时具有优良的性能,但是由于纤维间抱合力较小,强度较低,其应用受到了极大限制。通过耐高温相PAN与低熔点相PVDF两种聚合物混纺,并经过适当的热压后处理,使PVDF部分熔融形成点粘结,制备PAN-PVDF复合纳米纤维膜,并测试其相关性能。发现在保留静电纺膜优良性能的前提下,其强度相对处理前提高了近10倍,并表现出良好的电化学性能:室温下离子电导率达到1.32×10-3S/cm,聚合物电解质分解电压高达5.24 V,界面阻抗仅为45Ω,0.2 C首次放电比容量高达152 m Ah/g,综合性能远优于美国CELGARD2400。
