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典型文献
IL-6致非小细胞肺癌PD-1抑制剂治疗抵抗的效应和机制研究
文献摘要:
目的:通过回顾性分析晚期非小细胞肺癌(non-small cell lung cancer,NSCLC)患者外周血白细胞介素-6(in-terleukin 6,IL-6)水平与程序性细胞死亡蛋白-1(programmed cell death protein-1,PD-1)抑制剂疗效的相关性,初步探讨IL-6致PD-1抑制剂治疗抵抗的效应和机制.方法:纳入接受PD-1抑制剂治疗且有治疗前外周血IL-6检测结果的晚期NSCLC患者,分析IL-6水平与客观缓解率(objective response rate,ORR)、持续临床获益(durable clinical bene-fit,DCB)、无持续临床获益(non-durable clinical benefit,NDB)的相关性.通过CCK-8及Ki67实验检测IL-6对T细胞杀伤肿瘤细胞效应的影响,Western blot检测目的蛋白的表达情况.结果:30例晚期NSCLC患者中DCB组IL-6水平显著低于 NDB 组(中位值4.60 pg/mL vs 12.88 pg/mL,P=0.002).低 IL-6 组(<7 pg/mL,n=10)与高 IL-6 组(≥7 pg/mL,n=20)相比,DCB占比更大(100%vs50%,P=0.002),ORR更高(65%vs20%,P=0.025),中位无进展生存期更长(未达到vs8个月,P=0.007).CCK-8及Ki67检测结果示,外加IL-6可显著抑制T细胞对H1299、A549细胞的杀伤效果.Western blot检测发现,外加IL-6可显著上调p-STAT3、p-AKT水平,并显著下调STING和p-TBK1表达.结论:外周血IL-6水平与晚期NSCLC患者PD-1抑制剂治疗效果显著负相关.IL-6可能通过活化STAT3-AKT通路进而抑制STING-TBK1信号,减弱T淋巴细胞对肿瘤细胞的杀伤.
文献关键词:
IL-6;NSCLC;免疫治疗;PD-1抑制剂;治疗抵抗
作者姓名:
张衡;卢从华;赵茜;罗诺;李鑫;王任源;赵呈龙;王治国;祝梦晓;封明霞;何勇;李力
作者机构:
400042重庆,陆军军医大学附属陆军特色医学中心呼吸与危重症医学科
文献出处:
引用格式:
[1]张衡;卢从华;赵茜;罗诺;李鑫;王任源;赵呈龙;王治国;祝梦晓;封明霞;何勇;李力-.IL-6致非小细胞肺癌PD-1抑制剂治疗抵抗的效应和机制研究)[J].肿瘤预防与治疗,2022(09):782-789
A类:
NDB
B类:
治疗抵抗,晚期非小细胞肺癌,small,cell,lung,cancer,NSCLC,外周血白细胞,terleukin,程序性细胞死亡,programmed,death,protein,有治,客观缓解率,objective,response,rate,ORR,临床获益,durable,clinical,DCB,benefit,CCK,Ki67,实验检测,杀伤,肿瘤细胞,blot,检测目的,目的蛋白,中位值,pg,vs50,vs20,无进展生存期,vs8,外加,H1299,A549,STAT3,AKT,STING,TBK1,过活,免疫治疗
AB值:
0.326181
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