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Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association 根据Lauren分类在进展期胃癌中进行浸润和外周免疫细胞分析及其预后意义。
影响因子:7.701 DOI:10.1007/s10120-019-00983-3
作者: Pernot S,Terme M,Radosevic-Robin N,Castan F,Badoual C,Marcheteau E,Penault-Llorca F,Bouche O,Bennouna J,Francois E,Ghiringhelli F,De La Fouchardiere C,Samalin E,Baptiste Bachet J,Borg C,Boige V,Voron T,Stanbury T,Tartour E,Gourgou S,Malka D,Taieb J 发表时间:2020-07-10 10:03:24
keywords: Pernot STerme MRadosevic-Robin NCastan FBadoual CMarcheteau EPenault-Llorca FBouche OBennouna JFrancois EGhiringhelli FDe La Fouchardiere CSamalin EBaptiste Bachet JBorg CBoige VVoron TStanbury TTartour EGourgou SMalka DTaieb J
关键词: 晚期胃腺癌 生物标志物 CD8 + T淋巴细胞 自然杀伤细胞 调节性T细胞
Abstract
BACKGROUND:The correlation between immune cells and the Lauren classification subtypes and their prognostic impact in advanced gastric cancer (AGC) are unknown. METHODS:Circulating natural killer (NK) cells, CD4+ and CD8+ T cells, regulatory T cells (Tregs) and myeloid-derived suppressor cells (MDSCs) were quantified in peripheral blood mononuclear cells (PBMCs) from 67 patients with untreated AGC enrolled in the PRODIGE 17-ACCORD 20 trial. CD56+ cells (NK), CD8+, and FoxP3+ (Treg) tumor-infiltrating lymphocytes (TILs) were assessed in tumor samples. RESULTS:Circulating NK and Treg proportions were significantly lower in patients with diffuse/mixed-type AGC (n = 27) than those with intestinal type (n = 40; median 6.3% vs 11.5%; p = 0.02 and median 3.3% vs 5.2%; p = 0.03, respectively). Proportions of circulating MDSC, CD4+ and CD8+ T cells were not associated with one pathological type. Among tumor-infiltrating cells, CD8+ T cells, but not NK or FoxP3+ cells, were significantly lower in diffuse/mixed-type AGC (median 21 vs 59 cells/field; p = 0.009). Patients with high circulating NK cell counts (> 17%) had a better overall survival than those with < 17% (HR 0.40; 95% CI [0.15-1.06]; p = 0.04). Patients with high CD8+ TIL counts (> 31 cells/field) had significantly longer overall survival (HR 0.44; 95% CI [0.21-0.92]; p = 0.02). The prognostic value of CD8+ TILs was maintained after adjustment for confounding factors, including the Lauren classification (HR = 0.42; 95% CI [0.18-0.96]; p = 0.039). CONCLUSION:Diffuse/mixed-type AGC has lower rates of CD8+ TILs and circulating NK cells and Tregs than the intestinal type. This "cold tumor" phenotype may be associated with a worse outcome.
摘 要
背景: 免疫细胞和Lauren分型亚型之间的相关性及其在进展期胃癌 (AGC) 中的预后影响尚不清楚。 方法: 循环自然杀伤 (NK) 细胞,CD4 + 和CD8 + T细胞,调节性T细胞 (Tregs) 和髓源性抑制细胞 (MDSCs) 在PRODIGE 17-ACCORD 20 试验中入组的 67 例未经治疗的AGC患者的外周血单核细胞 (pbmc) 中定量。在肿瘤样本中评估CD56 + 细胞 (NK) 、CD8 + 和FoxP3 + Treg (Treg) 肿瘤浸润淋巴细胞 (til)。 结果: 弥漫性/混合型AGC患者循环NK和Treg比例 (n = 27) 明显低于肠道型 (n = 40); 中位数 6.3% vs 11.5%; P = 0.02 和中位数 3.3% vs 5.2%; P = 0.03)。循环MDSC、CD4 + 和CD8 + T细胞的比例与一种病理类型无关。在肿瘤浸润细胞中,CD8 + T细胞,而不是NK或FoxP3 + 细胞,在弥漫/混合型AGC中显著降低 (中位数 21 vs 59 个细胞/场; P = 0.009)。循环NK细胞计数高 (> 17%) 的患者总生存期优于 <17% (HR 0.40; 95% CI [0.15-1.06]; P = 0.04)。高CD8 + TIL计数 (> 31 个细胞/野) 的患者总生存期显著延长 (HR 0.44; 95% CI [0.21-0.92]; P = 0.02)。校正混杂因素,包括Lauren分类后,CD8 + TILs的预后价值得以维持 (hr = 0.42; 95% CI [0.18-0.96]; P = 0.039)。 结论: 弥漫性/混合型AGC的CD8 + TILs和循环NK细胞和Tregs的比率低于肠型。这种 “冷瘤” 表型可能与更差的结局相关。
期刊介绍
《Gastric Cancer》 (点击进入期刊详情)
英文简介 : Published by Springer. ISSN (printed): 1436-3291. ISSN (electronic): 1436-3305. Gastric Cancer a joint official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Associat
中文简介 : (来自Google、百度翻译) 由斯普林格出版。ISSN(印刷):1436-3291。ISSN(电子版):1436-3305。 胃癌国际胃癌协会和日本胃癌协会联合官方刊物
CIRCULATION RESEARCH 期刊中科院评价数据
新中科院分区
大类(学科) 小类(学科) 学科排名
医学

GASTROENTEROLOGY & HEPATOLOGY (胃肠肝病学)

ONCOLOGY (肿瘤学)

13/80
49/223
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127 112 15

总被引频次 :4454

特征因子 : 0.008650

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