目的探讨PHLPP2与EGFR+TP53共突变晚期肺腺癌(LUAD)患者靶向联合化疗疗效及与铁死亡的关系。方法回顾2018年8月至2023年8月的98例行靶向联合化疗治疗EGFR+TP53共突变晚期LUAD患者资料。分析PHLPP2突变情况,根据预后分为预后不良组(n=47...目的探讨PHLPP2与EGFR+TP53共突变晚期肺腺癌(LUAD)患者靶向联合化疗疗效及与铁死亡的关系。方法回顾2018年8月至2023年8月的98例行靶向联合化疗治疗EGFR+TP53共突变晚期LUAD患者资料。分析PHLPP2突变情况,根据预后分为预后不良组(n=47)和预后良好组(n=51)。限制性立方样条(RCS)模型分析铁死亡指标与预后不良的剂量反应关系。比较不同PHLPP2突变类型下铁死亡指标水平,及其与预后不良的关系。结果PHLPP2突变率为30.61%,主要为错义突变和点突变。预后不良组血清铁(SF)、丙二醛(MDA)、活性氧(ROS)低于预后良好组(P<0.05),谷胱甘肽过氧化酶4(GPX4)、谷胱甘肽(GSH)、PHLPP2突变类型高于预后良好组(P<0.05)。预后不良风险与SF、GPX4、GSH、MDA和ROS均呈非线性剂量-反应关系(P_(for non linear)<0.05)。野生型SF、MDA、ROS高于突变型(P<0.05),GPX4、GSH低于突变型(P<0.05)。不同PHLPP2突变类型、铁死亡指标下预后不良存在差异(P<0.05)。结论PHLPP2突变影响靶向联合化疗治疗EGFR+TP53共突变晚期LUAD临床疗效,且与铁死亡存在相关性。展开更多
Message structure reconstruction is a critical task in protocol reverse engineering,aiming to recover protocol field structures without access to source code.It enables important applications in network security,inclu...Message structure reconstruction is a critical task in protocol reverse engineering,aiming to recover protocol field structures without access to source code.It enables important applications in network security,including malware analysis and protocol fuzzing.However,existing methods suffer from inaccurate field boundary delineation and lack hierarchical relationship recovery,resulting in imprecise and incomplete reconstructions.In this paper,we propose ProRE,a novel method for reconstructing protocol field structures based on program execution slice embedding.ProRE extracts code slices from protocol parsing at runtime,converts them into embedding vectors using a data flow-sensitive assembly language model,and performs hierarchical clustering to recover complete protocol field structures.Evaluation on two datasets containing 12 protocols shows that ProRE achieves an average F1 score of 0.85 and a cophenetic correlation coefficient of 0.189,improving by 19%and 0.126%respectively over state-of-the-art methods(including BinPRE,Tupni,Netlifter,and QwQ-32B-preview),demonstrating significant superiority in both accuracy and completeness of field structure recovery.Case studies further validate the effectiveness of ProRE in practical malware analysis scenarios.展开更多
Rwanda secured access to one of the world’s most lucrative agricultural markets this month when it finalised a trade protocol allowing fresh avocado exports to China,a deal that could fundamentally alter the trajecto...Rwanda secured access to one of the world’s most lucrative agricultural markets this month when it finalised a trade protocol allowing fresh avocado exports to China,a deal that could fundamentally alter the trajectory of the country’s trade.展开更多
文摘目的探讨PHLPP2与EGFR+TP53共突变晚期肺腺癌(LUAD)患者靶向联合化疗疗效及与铁死亡的关系。方法回顾2018年8月至2023年8月的98例行靶向联合化疗治疗EGFR+TP53共突变晚期LUAD患者资料。分析PHLPP2突变情况,根据预后分为预后不良组(n=47)和预后良好组(n=51)。限制性立方样条(RCS)模型分析铁死亡指标与预后不良的剂量反应关系。比较不同PHLPP2突变类型下铁死亡指标水平,及其与预后不良的关系。结果PHLPP2突变率为30.61%,主要为错义突变和点突变。预后不良组血清铁(SF)、丙二醛(MDA)、活性氧(ROS)低于预后良好组(P<0.05),谷胱甘肽过氧化酶4(GPX4)、谷胱甘肽(GSH)、PHLPP2突变类型高于预后良好组(P<0.05)。预后不良风险与SF、GPX4、GSH、MDA和ROS均呈非线性剂量-反应关系(P_(for non linear)<0.05)。野生型SF、MDA、ROS高于突变型(P<0.05),GPX4、GSH低于突变型(P<0.05)。不同PHLPP2突变类型、铁死亡指标下预后不良存在差异(P<0.05)。结论PHLPP2突变影响靶向联合化疗治疗EGFR+TP53共突变晚期LUAD临床疗效,且与铁死亡存在相关性。
文摘Message structure reconstruction is a critical task in protocol reverse engineering,aiming to recover protocol field structures without access to source code.It enables important applications in network security,including malware analysis and protocol fuzzing.However,existing methods suffer from inaccurate field boundary delineation and lack hierarchical relationship recovery,resulting in imprecise and incomplete reconstructions.In this paper,we propose ProRE,a novel method for reconstructing protocol field structures based on program execution slice embedding.ProRE extracts code slices from protocol parsing at runtime,converts them into embedding vectors using a data flow-sensitive assembly language model,and performs hierarchical clustering to recover complete protocol field structures.Evaluation on two datasets containing 12 protocols shows that ProRE achieves an average F1 score of 0.85 and a cophenetic correlation coefficient of 0.189,improving by 19%and 0.126%respectively over state-of-the-art methods(including BinPRE,Tupni,Netlifter,and QwQ-32B-preview),demonstrating significant superiority in both accuracy and completeness of field structure recovery.Case studies further validate the effectiveness of ProRE in practical malware analysis scenarios.
文摘Rwanda secured access to one of the world’s most lucrative agricultural markets this month when it finalised a trade protocol allowing fresh avocado exports to China,a deal that could fundamentally alter the trajectory of the country’s trade.
