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Efficacy and predictive factors of transarterial chemoembolization combined with lenvatinib plus programmed cell death protein-1 inhibition for unresectable hepatocellular carcinoma 被引量:5
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作者 Kun-Peng Ma Jin-Xin Fu +1 位作者 Feng Duan Mao-Qiang Wang 《World Journal of Gastrointestinal Oncology》 SCIE 2024年第4期1236-1247,共12页
BACKGROUND The efficacy and safety of transarterial chemoembolization(TACE)combined with lenvatinib plus programmed cell death protein-1(PD-1)for unresectable hepato-cellular carcinoma(HCC)have rarely been evaluated a... BACKGROUND The efficacy and safety of transarterial chemoembolization(TACE)combined with lenvatinib plus programmed cell death protein-1(PD-1)for unresectable hepato-cellular carcinoma(HCC)have rarely been evaluated and it is unknown which factors are related to efficacy.AIM To evaluate the efficacy and independent predictive factors of TACE combined with lenvatinib plus PD-1 inhibitors for unresectable HCC.METHODS This study retrospectively enrolled patients with unresectable HCC who received TACE/lenvatinib/PD-1 treatment between March 2019 and April 2022.Overall survival(OS)and progression-free survival(PFS)were determined.The objective response rate(ORR)and disease control rate(DCR)were evaluated in accordance with the modified Response Evaluation Criteria in Solid Tumors.Additionally,the prognostic factors affecting the clinical outcome were assessed.RESULTS One hundred and two patients were enrolled with a median follow-up duration of 12.63 months.The median OS was 26.43 months(95%CI:17.00-35.87),and the median PFS was 10.07 months(95%CI:8.50-11.65).The ORR and DCR were 61.76%and 81.37%,respectively.The patients with Barcelona Clinic Liver Cancer Classification(BCLC)B stage,early neutrophil-to-lymphocyte ratio(NLR)response(decrease),or early alpha-fetoprotein(AFP)response(decrease>20%)had superior OS and PFS than their counterparts.CONCLUSION This study showed that TACE/lenvatinib/PD-1 treatment was well tolerated with encouraging efficacy in patients with unresectable HCC.The patients with BCLC B-stage disease with early NLR response(decrease)and early AFP response(decrease>20%)may achieve better clinical outcomes with this triple therapy. 展开更多
关键词 Transarterial chemoembolization EFFICACY Lenvatinib Programmed cell death protein-1 inhibitors Unresectable hepatocellular carcinoma
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Efficacy of chemotherapy containing bevacizumab in patients with metastatic colorectal cancer according to programmed cell death ligand 1 被引量:1
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作者 Shin Woo Kang Sung Hee Lim +5 位作者 Min-Ji Kim Jeeyun Lee Young Suk Park Ho Yeong Lim Won Ki Kang Seung Tae Kim 《World Journal of Gastrointestinal Oncology》 SCIE 2024年第8期3521-3528,共8页
BACKGROUND Bevacizumab,an anti-vascular endothelial growth factor(VEGF)monoclonal antibody,inhibits angiogenesis and reduces tumor growth.Serum VEGF-C,lactate dehydrogenase,and inflammatory markers have been reported ... BACKGROUND Bevacizumab,an anti-vascular endothelial growth factor(VEGF)monoclonal antibody,inhibits angiogenesis and reduces tumor growth.Serum VEGF-C,lactate dehydrogenase,and inflammatory markers have been reported as predictive markers related to bevacizumab treatment.Programmed cell death ligand 1(PD-L1)could act upon VEGF receptor 2 to induce cancer cell angiogenesis and metastasis.AIM To investigate the efficacy of bevacizumab-containing chemotherapy in patients with metastatic colorectal cancer(CRC)according to the expression of PD-L1.METHODS This analysis included CRC patients who received bevacizumab plus FOLFOX or FOLFIRI as first-line therapy between June 24,2014 and February 28,2022,at Samsung Medical Center(Seoul,South Korea).Analysis of patient data included evaluation of PD-L1 expression by the combined positive score(CPS).We analyzed the efficacy of bevacizumab according to PD-L1 expression status in patients with CRC.RESULTS A total of 124 patients was included in this analysis.Almost all patients were treated with bevacizumab plus FOLFIRI or FOLFOX as the first-line chemotherapy.While 77%of patients received FOLFOX,23%received FOLFIRI as backbone first-line chemotherapy.The numbers of patients with a PD-L1 CPS of 1 or more,5 or more,or 10 or more were 105(85%),64(52%),and 32(26%),respectively.The results showed no significant difference in progression-free survival(PFS)and overall survival(OS)with bevacizumab treatment between patients with PDL1 CPS less than 1 and those with PD-L1 CPS of 1 or more(PD-L1<1%vs PD-L1≥1%;PFS:P=0.93,OS:P=0.33),between patients with PD-L1 CPS less than 5 and of 5 or more(PD-L1<5%vs PD-L1≥5%;PFS:P=0.409,OS:P=0.746),and between patients with PD-L1 CPS less than 10 and of 10 or more(PD-L1<10%vs PD-L1≥10%;PFS:P=0.529,OS:P=0.568).CONCLUSION Chemotherapy containing bevacizumab can be considered as first-line therapy in metastatic CRC irrespective of PD-L1 expression. 展开更多
关键词 BEVACIZUMAB Colorectal cancer Programmed cell death ligand 1 expression First-line chemotherapy Metastatic colorectal cancer
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Roles of the tumor microenvironment in the resistance to programmed cell death protein 1 inhibitors in patients with gastric cancer
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作者 Ren-Jie Xia Xiao-Yu Du +5 位作者 Li-Wen Shen Jian-Guo Ma Shu-Mei Xu Rui-Fang Fan Jian-Wei Qin Long Yan 《World Journal of Gastrointestinal Oncology》 SCIE 2024年第9期3820-3831,共12页
Despite the continuous developments and advancements in the treatment of gastric cancer(GC),which is one of the most prevalent types of cancer in China,the overall survival is still poor for most patients with advance... Despite the continuous developments and advancements in the treatment of gastric cancer(GC),which is one of the most prevalent types of cancer in China,the overall survival is still poor for most patients with advanced GC.In recent years,with the progress in tumor immunology research,attention has shifted toward immunotherapy as a therapeutic approach for GC.Programmed cell death protein 1(PD-1)inhibitors,as novel immunosuppressive medications,have been widely utilized in the treatment of GC.However,many patients are still resistant to PD-1 inhibitors and experience recurrence in the advanced stages of PD-1 immunotherapy.To reduce the occurrence of drug resistance and recurrence in GC patients receiving PD-1 immunotherapy,to maximize the clinical activity of immunosuppressive drugs,and to elicit a lasting immune response,it is essential to research the tumor microenvironment mechanisms leading to PD-1 inhibitor resistance in GC patients.This article reviews the progress in studying the factors influencing the resistance to PD-1 inhibitors in the GC tumor microenvironment,aiming to provide insights and a basis for reducing resistance to PD-1 inhibitors for GC patients in the future. 展开更多
关键词 Gastric cancer Tumor microenvironment Programmed cell death protein 1 IMMUNOTHERAPY Drug resistance
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Drug-eluting beads chemoembolization combined with programmed cell death 1 inhibitor and lenvatinib for large hepatocellular carcinoma
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作者 Hui Yang Guang-Ping Qiu +1 位作者 Jie Liu Tie-Quan Yang 《World Journal of Gastrointestinal Oncology》 SCIE 2024年第11期4392-4401,共10页
BACKGROUND The combination of transarterial chemoembolization(TACE),lenvatinib,and programmed cell death 1(PD-1)inhibitor has been widely used in the treatment of advanced hepatocellular carcinoma(HCC)and has achieved... BACKGROUND The combination of transarterial chemoembolization(TACE),lenvatinib,and programmed cell death 1(PD-1)inhibitor has been widely used in the treatment of advanced hepatocellular carcinoma(HCC)and has achieved promising results.However,there are few studies comparing whether drug-eluting beads TACE(DTACE)can bring more survival benefits to patients with large HCC compared to conventional TACE(C-TACE)in this triplet therapy.AIM To compare the efficacy and adverse events(AEs)of triple therapy comprising DTACE,PD-1 inhibitors,and lenvatinib(D-TACE-P-L)and C-TACE,PD-1 inhibitors,and lenvatinib(C-TACE-P-L)in patients with large HCC(maximum diameter≥5 cm),and analyze the prognostic factors.METHODS Following a comprehensive review of our hospital’s medical records,this retrospective study included 104 patients:50 received D-TACE-P-L,and 54 received CTACE-P-L.We employed Kaplan-Meier estimation to assess the median progression-free survival(PFS)between the two groups,utilized Cox multivariate regression analysis to identify prognostic factors,and applied theχ2 test to evaluate AEs.RESULTS The objective response rate(ORR)and median PFS were significantly higher in the D-TACE-P-L group compared to the C-TACE-P-L group(ORR:66.0%vs 44.4%,P=0.027;median PFS:6.8 months vs 5.0 months,P=0.041).Cox regression analysis identified treatment option,portal vein tumor thrombus,and hepatic vein invasion as protective factors for PFS.AEs were comparable between the two CONCLUSION D-TACE-P-L may have significantly better PFS and ORR for large HCC,while exhibiting similar AEs to C-TACE-PL. 展开更多
关键词 Large hepatocellular carcinoma Conventional transarterial chemoembolization Drug-eluting beads transarterial chemoembolization Programmed cell death 1 inhibitor Lenvatinib
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Effectiveness and tolerability of programmed cell death protein-1 inhibitor+chemotherapy compared to chemotherapy for upper gastrointestinal tract cancers
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作者 Xiao-Min Zhang Ting Yang +5 位作者 Ying-Ying Xu Bao-Zhong Li Wei Shen Wen-Qing Hu Cai-Wen Yan Liang Zong 《World Journal of Gastrointestinal Oncology》 SCIE 2024年第4期1613-1625,共13页
BACKGROUND The combination of programmed cell death protein-1(PD-1)inhibitor and che-motherapy is approved as a standard first-or second-line treatment in patients with advanced oesophageal or gastric cancer.However,i... BACKGROUND The combination of programmed cell death protein-1(PD-1)inhibitor and che-motherapy is approved as a standard first-or second-line treatment in patients with advanced oesophageal or gastric cancer.However,it is unclear whether this combination is superior to chemotherapy alone.AIM To assess the comparative effectiveness and tolerability of combining PD-1 inhibitors with chemotherapy vs chemotherapy alone in patients with advanced gastric cancer,gastroesophageal junction(GEJ)cancer,or oesophageal carcinoma.METHODS We searched the PubMed and Embase databases for studies that compared the efficacy and tolerance of PD-1 inhibitors in combination with chemotherapy vs chemotherapy alone in patients with advanced oesophageal or gastric cancer.We employed either random or fixed models to analyze the outcomes of each clinical trial,en-compassing data on overall survival(OS),progression-free survival(PFS),objective response rate,and adverse events(AEs).RESULTS Nine phase 3 clinical trials(7016 advanced oesophageal and gastric cancer patients)met the inclusion criteria.Our meta-analysis demonstrated that the pooled PD-1 inhibitor+chemotherapy group had a significantly longer OS than the chemotherapy-alone group[hazard ratio(HR)=0.76,95%confidence interval(CI):0.71-0.81];the pooled PFS result was consistent with that of OS(HR=0.67,95%CI:0.61-0.74).The count of patients achieving an objective response in the PD-1 inhibitor+chemotherapy group surpassed that of the chemotherapy-alone group[odds ratio(OR)=1.86,95%CI:1.59-2.18].AE incidence was also higher in the combination-therapy group than in the chemotherapy-alone group,regardless of whether≥grade 3 only(OR=1.30,95%CI:1.07-1.57)or all AE grades(OR=1.88,95%CI:1.39-2.54)were examined.We performed a subgroup analysis based on the programmed death-ligand 1(PD-L1)combined positive score(CPS)and noted extended OS and PFS durations within the CPS≥1,CPS≥5,and CPS≥10 subgroups of the PD-1 inhibitor+chemotherapy group.CONCLUSION In contrast to chemotherapy alone,the combination of PD-1 inhibitor and chemotherapy appears to present a more favorable option for initial or subsequent treatment in patients with gastric cancer,GEJ tumor,or oesophageal cancer.This holds true particularly for individuals with PD-L1 CPS scores of≥5 and≥10. 展开更多
关键词 Programmed cell death protein-1 inhibitor CHEMOTHERAPY Oesophageal squamous cell carcinoma Gastric/gastroesophageal junction adenocarcinoma Overall survival Progression-free survival Objective response rate Adverse event
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Programmed cell death 1 inhibitor sintilimab plus concurrent chemoradiotherapy for locally advanced pancreatic adenocarcinoma
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作者 Shi-Qiong Zhou Peng Wan +3 位作者 Sen Zhang Yuan Ren Hong-Tao Li Qing-Hua Ke 《World Journal of Clinical Oncology》 2024年第7期859-866,共8页
BACKGROUND Pancreatic adenocarcinoma,a malignancy that arises in the cells of the pancreas,is a devastating disease with unclear etiology and often poor prognosis.Locally advanced pancreatic cancer,a stage where the t... BACKGROUND Pancreatic adenocarcinoma,a malignancy that arises in the cells of the pancreas,is a devastating disease with unclear etiology and often poor prognosis.Locally advanced pancreatic cancer,a stage where the tumor has grown significantly but has not yet spread to distant organs,presents unique challenges in treatment.This article aims to discuss the current strategies,challenges,and future directions in the management of locally advanced pancreatic adenocarcinoma(LAPC).AIM To investigate the feasibility and efficacy of programmed cell death 1(PD-1)inhibitor sintilimab plus concurrent chemoradiotherapy for LAPC.METHODS Eligible patients had LAPC,an Eastern cooperative oncology group performance status of 0 or 1,adequate organ and marrow functions,and no prior anticancer therapy.In the observation group,participants received intravenous sintilimab 200 mg once every 3 wk,and received concurrent chemoradiotherapy(concurrent conventional fractionated radiotherapy with doses planning target volume 50.4 Gy and gross tumor volume 60 Gy in 28 fractions and oral S-140 mg/m2 twice daily on days 1-14 of a 21-d cycle and intravenous gemcitabine 1000 mg/m2 on days 1 and 8 of a 21-d cycle for eight cycles until disease progression,death,or unacceptable toxicity).In the control group,participants only received concurrent chemoradiotherapy.From April 2020 to November 2021,64 participants were finally enrolled with 34 in the observation group and 30 in the control group.RESULTS Thirty-four patients completed the scheduled course of chemoradiotherapy,while 32(94.1%)received sintilimab plus concurrent chemoradiotherapy with 2 patients discontinuing sintilimab in the observation group.Thirty patients completed the scheduled course of chemoradiotherapy in the control group.Based on the Response Evaluation Criteria in Solid Tumors guidelines,the analysis of the observation group revealed that a partial response was observed in 11 patients(32.4%),stable disease was evident in 19 patients(55.9%),and 4 patients(11.8%)experienced progressive disease;a partial response was observed in 6(20.0%)patients,stable disease in 18(60%),and progressive disease in 6(20%)in the control group.The major toxic effects were leukopenia and nausea.The incidence of severe adverse events(AEs)(grade 3 or 4)was 26.5%(9/34)in the observation group and 23.3%(7/30)in the control group.There were no treatment-related deaths.The observation group demonstrated a significantly longer median overall survival(22.1 mo compared to 15.8 mo)(P<0.05)and progression-free survival(12.2 mo vs 10.1 mo)(P<0.05)in comparison to the control group.The occurrence of severe AEs did not exhibit a statistically significant difference between the observation group and the control group(P>0.05).CONCLUSION Sintilimab plus concurrent chemoradiotherapy was effective and safe for LAPC patients,and warrants further investigation. 展开更多
关键词 IMMUNOTHERAPY Concurrent chemoradiotherapy Locally advanced pancreatic adenocarcinoma Programmed cell death 1 Sintilimab
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Present and prospect of transarterial chemoembolization combined with tyrosine kinase inhibitor and PD-1 inhibitor for unresectable hepatocellular carcinoma 被引量:1
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作者 Rui Zhang Yan-Hui Liu +2 位作者 Yu Li Nan-Nan Li Zheng Li 《World Journal of Gastrointestinal Oncology》 SCIE 2024年第11期4315-4320,共6页
In this editorial,we comment on the article(World J Gastrointest Oncol 2024;16:1236-1247),which is a retrospective study of transarterial chemoembolization(TACE)combined with multi-targeted tyrosine kinase inhibitor(T... In this editorial,we comment on the article(World J Gastrointest Oncol 2024;16:1236-1247),which is a retrospective study of transarterial chemoembolization(TACE)combined with multi-targeted tyrosine kinase inhibitor(TKI)and programmed cell death protein-1(PD-1)inhibitor for the treatment of unresectable hepatocellular carcinoma(HCC).Herein,we focus specifically on the mechanisms of this triple therapy,administration sequence and selection of each medication,and implications for future clinical trials.Based on the interaction mechanisms between medications,the triple therapy of TACE+TKI+PD-1 is proposed to complement the deficiency of each monotherapy,and achieve synergistic antitumor effects.Although this triple therapy has been evaluated by several retrospective trials,it is still controversial whether the triple therapy achieves better clinical benefits,due to the flawed study design and heterogeneity in medications.In addition,the administration sequence,which may greatly affect the clinical benefit,needs to be fully considered at clinical decision-making for obtaining better prognosis.We hope that this editorial could contribute to the design and optimization of future trials. 展开更多
关键词 Transarterial chemoembolization Multi-targeted tyrosine kinase inhibitor Programmed cell death protein-1 inhibitor Unresectable hepatocellular carcinoma Mechanism
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PD-1抑制剂联合安罗替尼治疗二线化疗失败的老年晚期非小细胞肺癌的效果 被引量:2
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作者 张志胜 何学军 +3 位作者 张晶 纪晓燕 朱翔 包赟 《国际老年医学杂志》 2024年第2期187-192,共6页
目的 探究程序性死亡受体1(PD-1)抑制剂联合安罗替尼治疗二线化疗失败的老年晚期非小细胞肺癌(NSCLC)的临床疗效。方法 选取2019年1月—2021年4月泰州市第二人民医院收治的106例二线化疗失败的老年晚期NSCLC患者作为研究对象,按照随机... 目的 探究程序性死亡受体1(PD-1)抑制剂联合安罗替尼治疗二线化疗失败的老年晚期非小细胞肺癌(NSCLC)的临床疗效。方法 选取2019年1月—2021年4月泰州市第二人民医院收治的106例二线化疗失败的老年晚期NSCLC患者作为研究对象,按照随机数字表法分为单药组和联合组,各53例。单药组采用安罗替尼治疗,联合组采用PD-1抑制剂联合安罗替尼治疗。比较两组的疾病控制率、毒副反应发生情况、生存率、肿瘤标志物[细胞角蛋白19片段抗原21-1(CYFRA21-1)、癌胚抗原(CEA)、糖类抗原125(CA125)]、血管新生指标[血管内皮生长因子(VEGF)-A、VEGF受体2(VEGFR2)]、血清驱动蛋白超家族蛋白(KIF)C1、N-钙黏蛋白、生活质量核心量表(QLQ-C30)评分。结果 联合组疾病控制率高于单药组(P<0.05);治疗2个周期后,联合组血清CYFRA21-1、CA125、CEA、VEGF-A、VEGFR2、KIFC1及N-钙黏蛋白水平均低于单药组(P<0.05),QLQ-C30评分低于单药组(P<0.05);两组各毒副反应总发生率比较,差异均无统计学意义(P>0.05);Kaplan-Meier生存分析显示,联合组累积生存率高于单药组(P<0.05)。结论 PD-1抑制剂联合安罗替尼治疗二线化疗失败的老年晚期NSCLC效果显著,可有效调节血清KIFC1、N-钙黏蛋白表达,抑制VEGF-A、VEGFR2水平,降低肿瘤标志物水平,提高生活质量,延长生存时间,安全性高。 展开更多
关键词 程序性死亡受体1抑制剂 二线化疗失败 安罗替尼 非小细胞肺癌 生存期
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血清细胞因子表达水平与非小细胞肺癌PD-1抑制剂疗效研究进展 被引量:1
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作者 张鹏 李桂香 《兰州大学学报(医学版)》 2024年第1期82-86,共5页
程序性死亡受体-1(PD-1)/程序性死亡分子配体-1信号通路抑制剂激活机体免系统后产生的细胞因子在抗肿瘤细胞过程中发挥关键作用。本文回顾近年来接受PD-1抑制剂治疗的非小细胞肺癌患者血清细胞因子表达水平与临床获益的相关性研究,揭示... 程序性死亡受体-1(PD-1)/程序性死亡分子配体-1信号通路抑制剂激活机体免系统后产生的细胞因子在抗肿瘤细胞过程中发挥关键作用。本文回顾近年来接受PD-1抑制剂治疗的非小细胞肺癌患者血清细胞因子表达水平与临床获益的相关性研究,揭示非小细胞肺癌患者PD-1治疗前后白介素-6、白介素-8、肿瘤坏死因子、干扰素、白介素-17A等细胞因子水平变化,为寻找经济、便捷的PD-1抑制剂疗效生物标志物提供思路和线索。 展开更多
关键词 非小细胞肺癌 程序性死亡受体-1抑制剂 细胞因子 疗效预测
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ITP患者PD-1/PD-L1表达特点及其在Treg与Breg细胞之间的相互作用机制分析
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作者 许腾 崔彦杰 +2 位作者 李智伟 刘红春 郝立君 《西部医学》 2024年第4期608-613,共6页
目的探讨原发免疫性血小板减少症(ITP)患者细胞程序性死亡受体-1(PD-1)/细胞程序性死亡配体1(PD-L1)表达特点及其在调节性T细胞(Treg)、调节性B细胞(Breg)间的相互作用。方法选取2018年12月—2022年1月在我院治疗的ITP患者106例作为观察... 目的探讨原发免疫性血小板减少症(ITP)患者细胞程序性死亡受体-1(PD-1)/细胞程序性死亡配体1(PD-L1)表达特点及其在调节性T细胞(Treg)、调节性B细胞(Breg)间的相互作用。方法选取2018年12月—2022年1月在我院治疗的ITP患者106例作为观察组,其中轻度患者32例,中度患者44例,重度患者30例。同时选取同期健康志愿者100例作为对照组。检测两组Treg细胞百分比、Breg细胞百分比、Treg细胞表面PD-1阳性率、Breg细胞表面PD-L1阳性率等,同时分析观察组不同病情程度患者各指标差异。结果观察组Breg细胞百分比、Treg细胞百分比、TGF-β、IL-10和IL-4水平均明显低于对照组(P<0.05);观察组Treg细胞表面PD-1阳性率、Breg细胞表面PD-L1阳性率、可溶性程序性细胞死亡蛋白-1(sPD-1)和IL-17水平均明显高于对照组(均P<0.05);两组可溶性程序性细胞死亡蛋白配体-1(sPD-L1)水平比较差异无统计学意义(P>0.05)。观察组重度患者Breg细胞百分比、Treg细胞百分比均明显低于轻度和中度患者(均P<0.05),而Treg细胞表面PD-1阳性率、Breg细胞表面PD-L1阳性率均明显高于轻度和中度患者(均P<0.05)。Treg细胞表面PD-1阳性率与Breg细胞表面PD-L1阳性率呈正相关(r=0.446,P<0.05)。观察组治疗后Breg细胞百分比、Treg细胞百分比、TGF-β、IL-10和IL-4水平有所升高(P<0.05),而Treg细胞表面PD-1阳性率、Breg细胞表面PD-L1阳性率、sPD-1和IL-17水平有所降低(P<0.05),治疗前后sPD-L1水平比较差异无统计学意义(P>0.05)。结论ITP患者Treg细胞表面PD-1和Breg细胞表面PD-L1阳性率明显升高,与患者病情严重程度呈正相关,同时Treg细胞表面PD-1和Breg细胞表面PD-L1表达之间存在相关性。 展开更多
关键词 原发免疫性血小板减少症 细胞程序性死亡受体-1 细胞程序性死亡配体1 调节性T细胞 调节性B细胞
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炎调方通过PD-1/PD-L1通路抑制脓毒症大鼠T淋巴细胞衰竭的实验研究
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作者 王文清 王庆 +1 位作者 熊旭东 方荣 《河北医药》 CAS 2024年第10期1463-1467,共5页
目的研究炎调方对脓毒症大鼠T淋巴细胞及T淋巴细胞表面表面程序性死亡蛋白(PD-1)、程序性死亡蛋白配体(PD-L1)表达的影响。方法SD大鼠(雄性)分为正常组、假手术组、模型组和炎调方组。盲肠结扎穿孔(CLP)制备脓毒症大鼠模型,于造模后12... 目的研究炎调方对脓毒症大鼠T淋巴细胞及T淋巴细胞表面表面程序性死亡蛋白(PD-1)、程序性死亡蛋白配体(PD-L1)表达的影响。方法SD大鼠(雄性)分为正常组、假手术组、模型组和炎调方组。盲肠结扎穿孔(CLP)制备脓毒症大鼠模型,于造模后12、24、48、72 h采集外周血处死大鼠(每个时间点各5只大鼠),采用流式细胞分析法测定CD3^(+)、CD4^(+)、CD8^(+)比例;双抗体夹心酶联免疫吸附法(ELISA)测定CD4^(+)及CD8^(+)表面PD-1、PD-L1表达水平。结果白介素-6(IL-6)在脓毒症模型组12 h分泌达到高峰后逐渐下降,降钙素原(PCT)在模型组24 h达到高峰后逐渐下降;炎调方组在12 h降低IL-6的水平(P<0.05),24 h时明显降低IL-6、PCT的水平(P<0.01)。模型组CD3^(+)、CD4^(+)、CD8^(+)比例早期分泌开始减少,48 h分泌达最低点(P<0.01);炎调方组在48 h时可升高CD3^(+)、CD4^(+)、CD8^(+)比例,提高CD4^(+)/CD8^(+)的比值而具体调节T细胞活化和增殖的功能。模型组CD4^(+)、CD8^(+)表面PD-1、PD-L1表达水平早期24 h即表达增多(P<0.01),72 h表达最多;炎调方组24 h时即可抑制PD-1、PD-L1的表达水平而具体改善T细胞衰竭的作用。CD4^(+)的比例与CD4^(+)表面PD-1、PD-L1的表达呈负相关(P<0.01);CD8^(+)比例与CD8^(+)表面PD-1、PD-L1的表达呈负相关(P<0.01)。结论脓毒症早期48 h内即出现了T细胞活化和增殖的功能衰竭引起的T细胞免疫抑制。炎调方能在脓毒症早期改善T细胞活化和增殖的功能,其机制可能与抑制PD-1/P-L1通路有关。 展开更多
关键词 炎调方 脓毒症T淋巴细胞衰竭 PD-1/PD-L1通路
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铜绿假单胞菌脓毒症患者程序性细胞死亡受体1/程序性细胞死亡配体1信号通路相关蛋白与短期临床预后的相关性分析
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作者 关浩 牛媛 刘强 《实用临床医药杂志》 CAS 2024年第8期33-38,共6页
目的探讨程序性细胞死亡受体1/程序性细胞死亡配体1(PD-1/PD-L1)信号通路相关蛋白对铜绿假单胞菌(PA)脓毒症患者短期临床预后的影响。方法选择2021年1月—2023年6月宁夏医科大学总医院收治的122例PA脓毒症患者为研究对象,均根据脓毒症... 目的探讨程序性细胞死亡受体1/程序性细胞死亡配体1(PD-1/PD-L1)信号通路相关蛋白对铜绿假单胞菌(PA)脓毒症患者短期临床预后的影响。方法选择2021年1月—2023年6月宁夏医科大学总医院收治的122例PA脓毒症患者为研究对象,均根据脓毒症治疗指南和实际病情开展治疗。收集患者临床资料、治疗前慢性健康状况评分系统Ⅱ(APACHEⅡ)评分;治疗前抽取外周静脉血测定T淋巴细胞水平(CD3^(+)、CD4^(+)、CD8^(+))以及血清PD-1和PD-L1水平。结果122例PA脓毒症患者入住急诊重症监护室及其他科室后28 d存活101例(82.79%,存活组),死亡21例(17.21%,死亡组)。存活组与死亡组患者高血压比率、慢性阻塞性肺病比率、慢性肝病比率、APACHEⅡ评分、CD4^(+)、CD4^(+)/CD8^(+)、PD-1和PDL-1比较,差异有统计学意义(P<0.05)。单因素Logistic回归分析结果显示,基础疾病(高血压、慢性阻塞性肺病、慢性肝病)、APACHEⅡ评分、CD4^(+)/CD8^(+)、PD-1和PD-L1均是PA脓毒症患者短期生存的影响因素(P<0.01)。多因素Logistic回归分析结果显示,基础疾病(高血压、慢性阻塞性肺病、慢性肝病)、APACHEⅡ评分、PD-1和PD-L1均是PA脓毒症患者短期生存的影响因素(P<0.01)。结论PD-1/PD-L1信号通路对PA脓毒症患者的临床预后有影响,该通路相关蛋白表达上调可增加PA脓毒症患者短期临床预后不良的风险。 展开更多
关键词 铜绿假单胞菌 脓毒症 程序性细胞死亡受体1 程序性细胞死亡配体1 临床预后
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临床资料联合CT影像组学特征评估胃癌程序性死亡配体1状态
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作者 李庆龙 詹鹏超 +4 位作者 邢静静 刘星 梁盼 张永高 高剑波 《中国医学影像技术》 CSCD 北大核心 2024年第9期1371-1376,共6页
目的观察临床资料联合CT影像组学特征评估胃癌程序性死亡配体1(PD-L1)状态的价值。方法回顾性按7∶3比例将277例胃癌患者随机分为训练集(n=195)与验证集(n=82):训练集含PD-L1阳性亚组88例、阴性亚组107例,验证集各含37及45例。比较不同... 目的观察临床资料联合CT影像组学特征评估胃癌程序性死亡配体1(PD-L1)状态的价值。方法回顾性按7∶3比例将277例胃癌患者随机分为训练集(n=195)与验证集(n=82):训练集含PD-L1阳性亚组88例、阴性亚组107例,验证集各含37及45例。比较不同集别亚组间临床及常规CT特征,分析胃癌PD-L1状态的独立影响因素,基于CT筛选影像组学特征,建立临床模型、影像组学模型及临床-影像组学联合模型,观察各模型评估胃癌PD-L1状态的效能。结果训练集亚组间Borrmann分型、cN分期、cM分期、临床分期、肿瘤最大径及厚径差异均有统计学意义(P均<0.05);Borrmann分型、临床分期及肿瘤厚径均为PD-L1阳性的独立影响因素(P均<0.05)。临床模型、影像组学模型及临床-影像组学联合模型评估训练集胃癌PD-L1状态的曲线下面积(AUC)分别为0.748、0.832及0.841,在验证集分别为0.657、0.801及0.789;临床模型的AUC均低于其他模型(P均<0.05)。结论临床资料联合CT影像组学特征有助于评估胃癌PD-L1状态。 展开更多
关键词 胃肿瘤 程序性细胞死亡1配体2蛋白 体层摄影术 X线计算机 影像组学
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程序性细胞死亡蛋白1抑制剂联合化疗对老年晚期食管鳞状细胞癌患者的有效性和安全性观察
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作者 别志欣 郭润碛 +5 位作者 李彬 王承恩 徐圣 李元明 李晓光 李琳 《中国医药》 2024年第12期1796-1800,共5页
目的探讨程序性细胞死亡蛋白1(PD-1)抑制剂联合化疗对老年晚期食管鳞状细胞癌患者的有效性和安全性。方法本研究为回顾性队列研究,连续纳入2019年10月至2022年12月在北京医院诊治的老年不可切除局部晚期或转移性食管鳞状细胞癌患者95例... 目的探讨程序性细胞死亡蛋白1(PD-1)抑制剂联合化疗对老年晚期食管鳞状细胞癌患者的有效性和安全性。方法本研究为回顾性队列研究,连续纳入2019年10月至2022年12月在北京医院诊治的老年不可切除局部晚期或转移性食管鳞状细胞癌患者95例。按照是否应用PD-1抑制剂分为PD-1抑制剂组(30例)和对照组(65例)。2组患者均给予紫杉醇+顺铂方案化疗,此外PD-1抑制剂组还给予PD-1抑制剂。紫杉醇+顺铂方案化疗和PD-1抑制剂均为每3周1个治疗周期。治疗直至疾病进展或者患者不能耐受或者患者死亡。随访截止至2023年12月31日,比较2组的总生存期、无进展生存期和客观缓解率等,应用多因素Cox回归分析方法评估影响总生存期的重要因素。结果与对照组相比,PD-1抑制剂组患者的年龄相对较大,但差异无统计学意义(P>0.05)。随访期间,死亡65例,PD-1抑制剂组和对照组分别有16例(53.3%)和49例(75.4%)。PD-1抑制剂组的总生存期[15.1(12.4,18.9)个月比11.3(9.2,15.7)个月,P=0.002]、无进展生存期[6.6(5.0,7.4)个月比5.0(3.8,6.6)个月,P=0.004]长于对照组,客观缓解率高于对照组[56.7%(17/30)比40.0%(26/65),χ^(2)=4.196,P=0.041]。PD-1抑制剂组和对照组患者≥3级不良反应发生率比较差异无统计学意义[56.7%(17/30)比50.8%(33/65),χ^(2)=0.793,P=0.261]。多因素Cox回归分析结果显示,体重指数、美国东部肿瘤协作组评分、入组时为远处转移病变、程序性细胞死亡受体配体1联合阳性评分≥1分和PD-1抑制剂治疗是影响总生存期的重要因素(风险比=0.893、0.779、1.730、0.693、0.772,均P<0.05)。结论PD-1抑制剂联合化疗对老年晚期食管鳞状细胞癌患者具有良好的有效性和安全性。 展开更多
关键词 食管鳞状细胞癌 程序性细胞死亡蛋白1抑制剂 化疗
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血管内皮生长因子、程序性死亡受体-1联合胃功能三项对早期胃癌的诊断及预后评估价值
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作者 王卫卫 邢文韬 +4 位作者 张爱青 苏振华 王辉 郝世梦 魏思忱 《陕西医学杂志》 CAS 2024年第12期1663-1667,1672,共6页
目的:探讨血管内皮生长因子(VEGF)、程序性死亡受体-1(PD-1)联合胃功能三项对早期胃癌(EGC)的诊断及预后评估价值。方法:选取EGC患者167例为EGC组,对术中的胃癌及癌旁组织进行收集,免疫组织化学染色后比较VEGF、PD-1阳性表达情况。另选... 目的:探讨血管内皮生长因子(VEGF)、程序性死亡受体-1(PD-1)联合胃功能三项对早期胃癌(EGC)的诊断及预后评估价值。方法:选取EGC患者167例为EGC组,对术中的胃癌及癌旁组织进行收集,免疫组织化学染色后比较VEGF、PD-1阳性表达情况。另选取本院同期体检健康者74例为对照组,比较EGC组与对照组胃功能三项[胃蛋白原Ⅰ(PGⅠ)、胃蛋白原Ⅱ(PGⅡ)和胃泌素17(G17)]水平。所有患者均进行为期3年随访,根据是否病死分为预后良好组和预后不良组,比较两组临床病理资料。Logistic回归分析EGC患者预后不良的影响因素,Pearson法分析各指标的相关性,受试者工作特征(ROC)曲线分析VEGF、PD-1联合胃功能三项检测在EGC患者诊断及预后评估中的应用价值。结果:EGC组患者癌旁组织VEGF、PD-1阳性表达率低于胃癌组织(均P<0.05)。与对照组比较,EGC组PGⅠ水平降低,PGⅡ、G17水平升高(均P<0.05)。根据随访结果,预后不良组59例,预后良好组108例。预后不良组患者VEGF和PD-1阳性表达率以及PGⅡ、G17水平高于预后良好组,中高分化占比和PGⅠ水平低于预后良好组(均P<0.05)。低PGⅠ水平、高VEGF和PD-1阳性表达率、低分化、高PGⅡ和G17水平是EGC患者预后不良的危险因素(均P<0.05)。VEGF、PD-1、PGⅡ、G17水平与分化程度呈负相关,PGⅠ水平与分化程度呈正相关(均P<0.05)。VEGF、PD-1联合胃功能三项检测对EGC患者均有一定的诊断和预后评估价值,联合检测的价值更高(均P<0.05)。结论:VEGF、PD-1在胃癌组织中高表达,两者联合胃功能三项对EGC的诊断和预后评估均有较高价值。 展开更多
关键词 早期胃癌 血管内皮生长因子 程序性死亡受体-1 胃功能 诊断 预后
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PD1/PD-L1、中性粒细胞弹性蛋白酶、赖氨酰氧化酶在膀胱癌中的表达及其与膀胱癌预后的关系
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作者 熊星 贾灵华 +3 位作者 包佑根 吴萌 曾繁辉 黄余 《江西医药》 CAS 2024年第3期244-248,共5页
目的探讨膀胱癌组织中程序性细胞死亡受体1(PD1)、程序性细胞死亡配体1(PD-L1)、中性粒细胞弹性蛋白酶(NE)、赖氨酰氧化酶(LOX)的表达水平及其表达差异与膀胱癌患者临床病理特征和预后的关系。方法选取2018年1月至2020年12月江西省人民... 目的探讨膀胱癌组织中程序性细胞死亡受体1(PD1)、程序性细胞死亡配体1(PD-L1)、中性粒细胞弹性蛋白酶(NE)、赖氨酰氧化酶(LOX)的表达水平及其表达差异与膀胱癌患者临床病理特征和预后的关系。方法选取2018年1月至2020年12月江西省人民医院收治的56例膀胱癌患者的癌组织作为研究对象,并记录患者的复发和死亡情况进行分析研究。采用免疫组织化学染色法检测PD1、PD-L1、NE、LOX的表达情况,分析PD1、PD-L1、NE、LOX与患者的病理特征和预后的关系。结果免疫组化结果显示PD1在肿瘤相关免疫细胞中存在表达(46/56);TNM分期T2-T3期、高级别肿瘤和出现淋巴结转移的患者PD1和PDL-1的表达阳性率均明显升高,差异有统计学意义(P<0.05)。NE与PD1、PDL-1的表达呈正相关(P<0.05);LOX与PD-L1、PDL-1的表达呈正相关(P<0.05)。PD1阳性表达患者3年无进展生存率为58.70%(27/46),PD-L1阳性表达患者3年无进展生存率为43.48%(10/23),不同PD1、PD-L1表达患者的3年无进展生存率比较差异有统计学意义(P<0.05)。结论膀胱癌组织中PD1、PD-L1表达增加可作为膀胱癌患者潜在的预后预测指标,有助于筛选术后复发的高危患者,并为膀胱癌的免疫学治疗提供新靶点。 展开更多
关键词 膀胱癌 程序性细胞死亡受体1 程序性细胞死亡配体1 肿瘤相关中性粒细胞因子
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通窍汤加减对过敏性鼻炎模型大鼠血清sPD-L1与Tim-1表达的影响
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作者 周娟 崔毅 +2 位作者 唐金勇 文浩杰 薛金梅 《解剖学杂志》 CAS 2024年第3期235-239,共5页
目的:探讨通窍汤加减对过敏性鼻炎(AR)模型大鼠血清可溶性程序性死亡配体1(sPD-L1)、T细胞免疫球蛋白域黏蛋白域蛋白-1(Tim-1)表达的影响。方法:SPF级SD大鼠,建模成功后分为模型组、低剂量组、高剂量组以及地塞米松组。检测各组大鼠行... 目的:探讨通窍汤加减对过敏性鼻炎(AR)模型大鼠血清可溶性程序性死亡配体1(sPD-L1)、T细胞免疫球蛋白域黏蛋白域蛋白-1(Tim-1)表达的影响。方法:SPF级SD大鼠,建模成功后分为模型组、低剂量组、高剂量组以及地塞米松组。检测各组大鼠行为学评分,ELISA法检测IFN-γ、IL-4水平,H-E染色观察大鼠鼻黏膜组织病理学形态结构,Real time-PCR及免疫印迹检测sPD-L1、Tim-1 mRNA及蛋白表达。结果:与健康组相比,模型组行为学评分、IL-4水平、Tim-1 mRNA及蛋白表达均升高,IFN-γ水平、sPD-L1 mRNA及蛋白表达均降低;与模型组相比,低、高剂量组及地塞米松组行为学评分、IL-4水平、Tim-1 mRNA及蛋白表达均降低,IFN-γ水平、sPD-L1 mRNA及蛋白表达均升高;与低剂量组相比,高剂量组与地塞米松组行为学评分、IL-4水平、Tim-1mRNA及蛋白表达均降低,IFN-γ水平、sPD-L1mRNA及蛋白表达均升高;与高剂量组相比,地塞米松组行为学评分、IL-4水平、Tim-1 mRNA及蛋白表达均升高,IFN-γ水平、sPD-L1 mRNA及蛋白表达均降低。模型组可见鼻黏膜下层水肿,并有大量炎症细胞浸润;与模型组相比,低剂量组、高剂量组以及地塞米松组均有所改善。结论:通窍汤加减对模型AR大鼠具有提高血清sPD-L1水平,以及降低Tim-1水平和调控Th1/Th2水平比例的功效。 展开更多
关键词 通窍汤加减 过敏性鼻炎 可溶性程序性死亡配体1 T细胞免疫球蛋白域黏蛋白域蛋白-1 大鼠
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血清SIRT1、sICAM-1及PD-L1联合检测对难治性弥漫性大B细胞淋巴瘤患者预后的评估效能
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作者 刘帅 宋海容 段昱 《河南医学研究》 CAS 2024年第16期2922-2926,共5页
目的探讨血清沉默信息调节因子1(SIRT1)、可溶性细胞间黏附分子-1(sICAM-1)及细胞程序性死亡-配体1(PD-L1)联合检测对难治性弥漫性大B细胞淋巴瘤(DLBCL)患者预后的评估效能。方法选取2022年1月至2023年10月在郑州大学第一附属医院诊治... 目的探讨血清沉默信息调节因子1(SIRT1)、可溶性细胞间黏附分子-1(sICAM-1)及细胞程序性死亡-配体1(PD-L1)联合检测对难治性弥漫性大B细胞淋巴瘤(DLBCL)患者预后的评估效能。方法选取2022年1月至2023年10月在郑州大学第一附属医院诊治的84例难治DLBCL患者作为研究对象,根据治疗后1个月的疾病状态将患者分为预后良好组(57例)和预后不良组(27例),收集患者的一般临床资料;采用酶联免疫吸附法(ELISA)检测患者血清SIRT1、sICAM-1及PD-L1水平;分析血清SIRT1、sICAM-1及PD-L1水平与患者临床特征、治疗效果及预后的关系;采用多因素logistic回归分析,筛选出患者预后不良的影响因素。绘制受试者工作特征(ROC)曲线,计算曲线下面积(AUC),评价血清SIRT1、sICAM-1及PD-L1水平对难治DLBCL患者预后的预测能力。结果预后不良组血清SIRT1、sICAM-1及PD-L1水平均高于预后良好组(P<0.05)。多因素logistic回归分析显示,血清SIRT1、sICAM-1及PD-L1水平是影响难治性DLBCL患者预后不良的独立危险因素(P<0.05);ROC结果显示,血清SIRT1、sICAM-1及PD-L1单独及三者联合预测难治性DLBCL患者预后不良的AUC分别为0.851、0.843、0.924、0.980,且三者联合的预测价值高于单独预测(P<0.05)。结论血清SIRT1、sICAM-1及PD-L1水平可作为难治DLBCL患者预后评估的重要指标,且三者联合检测的效能优于单项检测,对指导临床治疗及监测疾病进展有重要意义。 展开更多
关键词 沉默信息调节因子1 可溶性细胞间黏附分子-1 细胞程序性死亡-配体1 难治性弥漫性大B细胞淋巴瘤 预后
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循环肿瘤细胞上细胞程序性死亡配体1表达对宫颈癌同步放化疗预后的评估价值
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作者 王华丽 任伟伟 +1 位作者 李险峰 王红霞 《临床和实验医学杂志》 2024年第16期1742-1745,共4页
目的探讨循环肿瘤细胞(CTC)上细胞程序性死亡配体1(PD-L1)表达对宫颈癌同步放化疗预后的评估价值。方法回顾性选取2021年6月至2023年12月入临汾市人民医院的60例宫颈癌患者,均经病理学确诊,CTC PD-L1经CytoSorter CTC系统测定。对宫颈... 目的探讨循环肿瘤细胞(CTC)上细胞程序性死亡配体1(PD-L1)表达对宫颈癌同步放化疗预后的评估价值。方法回顾性选取2021年6月至2023年12月入临汾市人民医院的60例宫颈癌患者,均经病理学确诊,CTC PD-L1经CytoSorter CTC系统测定。对宫颈癌病理特征与PD-L1^(+)CTC之间的相关性予以分析,并比较PD-L1^(+)CTC和PD-L1-CTC宫颈癌患者同步放化疗前后的无进展生存期(PFS),评估宫颈癌放化疗后PD-L1^(+)CTC数量对预后的评估价值。结果同步放化疗前后外周血CTC检出率及数量比较,差异无统计学意义(P>0.05)。较同步放化疗前,宫颈癌患者同步放化疗后PD-L1^(+)CTC检出率更低(38.33%vs.56.67%),PD-L1^(+)CTC检出数量更少[(0.77±1.20)个vs.(1.27±1.51)个],差异均有统计学意义(P<0.05)。同步放化疗前,宫颈癌患者PD-L1^(+)CTC与肿瘤直径、FIGO分期、分化程度及淋巴结转移联系紧密(P<0.05)。同步放化疗后,宫颈癌患者PD-L1^(+)CTC表达水平与肿瘤直径、FIGO分期、分化程度及淋巴结转移密切相关(P<0.05)。PD-L1^(+)CTC患者的PFS短于PD-L1-CTC患者,差异有统计学意义(P<0.05)。Cox回归分析显示,局部晚期宫颈癌患者同步放化疗前后的CTC PD-L1表达水平均可作为PFS预后因素。结论宫颈癌放同步放化疗前后测定的CTC PD-L1表达水平可作为预后评估的辅助指标。 展开更多
关键词 宫颈肿瘤 同步放化疗 循环肿瘤细胞 细胞程序性死亡配体1 预后
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自然杀伤细胞2组成员A、程序性死亡因子配体1表达检测对PD-L1阻断免疫治疗肌层浸润性膀胱癌反应性的预测价值
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作者 赵刚刚 张鸿毅 +3 位作者 肖克兵 杨辉 李子峰 赵华才 《陕西医学杂志》 CAS 2024年第2期252-256,共5页
目的:探究自然杀伤细胞2组成员A(NKG2A)及程序性死亡因子配体1(PD-L1)表达检测对PD-L1阻断免疫治疗肌层浸润性膀胱癌反应性的预测价值。方法:选取100例肌层浸润性膀胱癌患者作为研究对象,对其行PD-L1阻断免疫治疗后,根据治疗反应性将其... 目的:探究自然杀伤细胞2组成员A(NKG2A)及程序性死亡因子配体1(PD-L1)表达检测对PD-L1阻断免疫治疗肌层浸润性膀胱癌反应性的预测价值。方法:选取100例肌层浸润性膀胱癌患者作为研究对象,对其行PD-L1阻断免疫治疗后,根据治疗反应性将其分为缓解组和未缓解组;对缓解组患者随访3个月,将其分为复发组和未复发组。比较两组患者NKG2A和PD-L1在CD4^(+)和CD8^(+)上的表达水平,采用ROC曲线分析NKG2A和PD-L1预测膀胱癌患者治疗反应性的价值。结果:100例研究对象中,缓解组患者72例(72.00%),未缓解组患者28例(28.00%),两组性别、年龄比较无统计学差异(均P>0.05),但缓解组患者肿瘤直径小于未缓解组,NKG2A、PD-L1/CD4^(+)和PD-L1/CD8^(+)表达水平均低于未缓解组(均P<0.05)。膀胱癌患者NKG2A、PD-L1/CD4^(+)和PD-L1/CD8^(+)表达预测免疫治疗后缓解的AUC值分别为0.771、0.724、0.710;联合诊断的AUC为0.836。72例缓解患者中,出现复发29例(40.28%),未出现复发43例(59.72%),两组性别、年龄以及肿瘤直径比较无统计学差异(均P>0.05),但复发组NKG2A、PD-L1/CD4^(+)和PD-L1/CD8^(+)表达水平均高于未复发组(均P<0.05)。NKG2A、PD-L1/CD4^(+)和PD-L1/CD8^(+)表达预测膀胱癌患者缓解后复发的AUC值分别为0.775、0.740、0.728;联合诊断的AUC为0.874。结论:NKG2A、PD-L1/CD4^(+)和PD-L1/CD8^(+)在不同治疗反应性肌层浸润性膀胱癌患者外周血中表达水平不同,三者对于膀胱癌患者PD-L1阻断免疫治疗反应性均有一定的预测价值,且三者联合预测效能最佳。 展开更多
关键词 膀胱癌 肿瘤直径 自然杀伤细胞2组成员A 程序性死亡因子配体1 免疫治疗 反应性
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