目的:探讨免疫检查点抑制剂(ICI)治疗非小细胞肺癌(NSCLC)患者发生免疫检查点抑制剂相关性肺炎(CIP)的发生情况和免疫治疗疗效的关系,分析接受ICI治疗的NSCLC患者的预后相关因素。方法:回顾性分析2020年3月至2023年3月在新疆医科大学附...目的:探讨免疫检查点抑制剂(ICI)治疗非小细胞肺癌(NSCLC)患者发生免疫检查点抑制剂相关性肺炎(CIP)的发生情况和免疫治疗疗效的关系,分析接受ICI治疗的NSCLC患者的预后相关因素。方法:回顾性分析2020年3月至2023年3月在新疆医科大学附属肿瘤医院接受ICI治疗145例NSCLC患者的临床资料,将患者分为CIP组和非CIP组,随后将发生CIP的患者分为轻度(1、2级)CIP和重度(3、4级)CIP两个亚组,通过Kaplan-Meier法比较生存曲线,分析CIP的发生及严重程度对于患者PFS及OS的影响。通过单因素及多因素COX风险比例回归模型分析与PFS和OS相关的预后因素。结果:145例患者中有26例患者出现CIP,发生率为17.93%,重度CIP发生率为3.45%。CIP组患者PFS明显长于非CIP组患者(12.3 vs 7.6个月,P<0.05),CIP组与非CIP组的OS比较差异无统计学意义(16.2 vs 15.8个月,P>0.05)。亚组分析显示,轻度CIP和重度CIP相比,PFS(12.2vs 12.9个月)及OS(16.1 vs 17.8个月)均无统计学意义(均P>0.05)。多因素COX回归分析显示,CIP[HR=0.55,95%CI(0.33,0.90),P=0.02]、免疫疗程>6个[HR=0.51,95%CI(0.31,0.85),P=0.01]是影响患者PFS的有利预后因素,免疫疗程>6个[HR=0.4,95%CI(0.18,0.88),P=0.02]是影响OS的有利预后因素。结论:CIP的发生率为17.93%,CIP的发生与PFS的延长密切相关。免疫疗程>6个是影响NSCLC患者PFS、OS的有利预后因素。展开更多
日前,《广西植物》正式被波兰《哥白尼索引》(IC)旗下的两个知名数据库哥白尼索引期刊数据库(ICI World of Journals)和哥白尼索引精选数据库(ICI Journals Master List)全文收录,这是该期刊继被瑞典知名数据库(DOAJ)成功收录后的又一...日前,《广西植物》正式被波兰《哥白尼索引》(IC)旗下的两个知名数据库哥白尼索引期刊数据库(ICI World of Journals)和哥白尼索引精选数据库(ICI Journals Master List)全文收录,这是该期刊继被瑞典知名数据库(DOAJ)成功收录后的又一大喜讯。展开更多
Over the past two decades,immunotherapies have increasingly been considered as first-line treatments for most cancers.One such treatment is immune checkpoint blockade(ICB),which has demonstrated promising results agai...Over the past two decades,immunotherapies have increasingly been considered as first-line treatments for most cancers.One such treatment is immune checkpoint blockade(ICB),which has demonstrated promising results against various solid tumors in clinical trials.Monoclonal antibodies(mAbs)are currently available as immune checkpoint inhibitors(ICIs).These ICIs target specific immune checkpoints,including cytotoxic T-lymphocyte-associated antigen-4(CTLA-4)and programmed cell death protein 1(PD-1).Clinical trial results strongly support the feasibility of this immunotherapeutic approach.However,a substantial proportion of patients with cancer develop resistance or tolerance to treatment,owing to tumor immune evasion mechanisms that counteract the host immune response.Consequently,substantial research focus has been aimed at identifying additional ICIs or synergistic inhibitory receptors to enhance the effectiveness of anti-PD-1,anti-programmed cell death ligand 1(anti-PD-L1),and anti-CTLA-4 treatments.Recently,several immune checkpoint molecular targets have been identified,such as T cell immunoreceptor with Ig and ITIM domains(TIGIT),mucin domain containing-3(TIM-3),lymphocyte activation gene-3(LAG-3),V-domain immunoglobulin suppressor of T cell activation(VISTA),B and T lymphocyte attenuator(BTLA),and signal-regulatory proteinα(SIRPα).Functional m Abs targeting these molecules are under development.CTLA-4,PD-1/PD-L1,and other recently discovered immune checkpoint proteins with distinct structures are at the forefront of research.This review discusses these structures,as well as clinical progress in m Abs targeting these immune checkpoint molecules and their potential applications.展开更多
An interference suppression design scheme based on conjugate weighted butterfly interleaving mapping(CWBIM)is proposed for inter-carrier interference(ICI)and inter-subband interference(IBI)in the received signals of u...An interference suppression design scheme based on conjugate weighted butterfly interleaving mapping(CWBIM)is proposed for inter-carrier interference(ICI)and inter-subband interference(IBI)in the received signals of universal filtered multi-carrier(UFMC)systems.It applies an interleaving mapping operation to subtract the interference coefficients of adjacent terms in ICI and IBI twice,thereby achieving suppression effects similar to the self-cancellation(SC)algorithm while maintaining the original data transmission efficiency.Meanwhile,conjugate and complex weighting operations can effectively suppress the impact of phase rotation errors in high-speed mobile channel environments,thereby further improving the bit error rate(BFR)performance of the system,Moreover,butterfly operation can effectively control the computational complexity of the interleaving mapping process.Theoretical analysis and simulation results show that,compared with the PSC-UFMC algorithm,the CWBIM-UFMC scheme proposed in this paper can effectively suppress ICI and IBI in the received signal without compromising data transmission efficiency and reducing computational complexity,thereby achieving good BER performance of the system.展开更多
文摘目的:探讨免疫检查点抑制剂(ICI)治疗非小细胞肺癌(NSCLC)患者发生免疫检查点抑制剂相关性肺炎(CIP)的发生情况和免疫治疗疗效的关系,分析接受ICI治疗的NSCLC患者的预后相关因素。方法:回顾性分析2020年3月至2023年3月在新疆医科大学附属肿瘤医院接受ICI治疗145例NSCLC患者的临床资料,将患者分为CIP组和非CIP组,随后将发生CIP的患者分为轻度(1、2级)CIP和重度(3、4级)CIP两个亚组,通过Kaplan-Meier法比较生存曲线,分析CIP的发生及严重程度对于患者PFS及OS的影响。通过单因素及多因素COX风险比例回归模型分析与PFS和OS相关的预后因素。结果:145例患者中有26例患者出现CIP,发生率为17.93%,重度CIP发生率为3.45%。CIP组患者PFS明显长于非CIP组患者(12.3 vs 7.6个月,P<0.05),CIP组与非CIP组的OS比较差异无统计学意义(16.2 vs 15.8个月,P>0.05)。亚组分析显示,轻度CIP和重度CIP相比,PFS(12.2vs 12.9个月)及OS(16.1 vs 17.8个月)均无统计学意义(均P>0.05)。多因素COX回归分析显示,CIP[HR=0.55,95%CI(0.33,0.90),P=0.02]、免疫疗程>6个[HR=0.51,95%CI(0.31,0.85),P=0.01]是影响患者PFS的有利预后因素,免疫疗程>6个[HR=0.4,95%CI(0.18,0.88),P=0.02]是影响OS的有利预后因素。结论:CIP的发生率为17.93%,CIP的发生与PFS的延长密切相关。免疫疗程>6个是影响NSCLC患者PFS、OS的有利预后因素。
基金supported by the National Natural Science Foundation of China(Grant Nos.82173087 and 82203533)。
文摘Over the past two decades,immunotherapies have increasingly been considered as first-line treatments for most cancers.One such treatment is immune checkpoint blockade(ICB),which has demonstrated promising results against various solid tumors in clinical trials.Monoclonal antibodies(mAbs)are currently available as immune checkpoint inhibitors(ICIs).These ICIs target specific immune checkpoints,including cytotoxic T-lymphocyte-associated antigen-4(CTLA-4)and programmed cell death protein 1(PD-1).Clinical trial results strongly support the feasibility of this immunotherapeutic approach.However,a substantial proportion of patients with cancer develop resistance or tolerance to treatment,owing to tumor immune evasion mechanisms that counteract the host immune response.Consequently,substantial research focus has been aimed at identifying additional ICIs or synergistic inhibitory receptors to enhance the effectiveness of anti-PD-1,anti-programmed cell death ligand 1(anti-PD-L1),and anti-CTLA-4 treatments.Recently,several immune checkpoint molecular targets have been identified,such as T cell immunoreceptor with Ig and ITIM domains(TIGIT),mucin domain containing-3(TIM-3),lymphocyte activation gene-3(LAG-3),V-domain immunoglobulin suppressor of T cell activation(VISTA),B and T lymphocyte attenuator(BTLA),and signal-regulatory proteinα(SIRPα).Functional m Abs targeting these molecules are under development.CTLA-4,PD-1/PD-L1,and other recently discovered immune checkpoint proteins with distinct structures are at the forefront of research.This review discusses these structures,as well as clinical progress in m Abs targeting these immune checkpoint molecules and their potential applications.
基金Supported by the National Natural Science Foundation of China(No.61601296,61701295)the Science and Technology Innovation ActionPlan Project of Shanghai Science and Technology Commission(No.20511103500)the Talent Program of Shanghai University of Engineer-ing Science(No.2018RC43)。
文摘An interference suppression design scheme based on conjugate weighted butterfly interleaving mapping(CWBIM)is proposed for inter-carrier interference(ICI)and inter-subband interference(IBI)in the received signals of universal filtered multi-carrier(UFMC)systems.It applies an interleaving mapping operation to subtract the interference coefficients of adjacent terms in ICI and IBI twice,thereby achieving suppression effects similar to the self-cancellation(SC)algorithm while maintaining the original data transmission efficiency.Meanwhile,conjugate and complex weighting operations can effectively suppress the impact of phase rotation errors in high-speed mobile channel environments,thereby further improving the bit error rate(BFR)performance of the system,Moreover,butterfly operation can effectively control the computational complexity of the interleaving mapping process.Theoretical analysis and simulation results show that,compared with the PSC-UFMC algorithm,the CWBIM-UFMC scheme proposed in this paper can effectively suppress ICI and IBI in the received signal without compromising data transmission efficiency and reducing computational complexity,thereby achieving good BER performance of the system.
