Oncolytic measles virus enhances antitumour responses of adoptive CD8(+)NKG2D(+) cells in hepatocellular carcinoma treatment.

Oncolytic measles virus enhances antitumour responses of adoptive CD8(+)NKG2D(+) cells in hepatocellular carcinoma treatment.
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溶瘤麻疹病毒增强过继性 CD8( ) NKG2D( ) 细胞在肝细胞癌治疗中的抗肿瘤反应

DOI:
10.1038/s41598-017-05500-z
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发表时间:
2017-07-12
期刊:
影响因子:
4.6
通讯作者:
Wei J
Wei J
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Chen A;Zhang Y;Meng G;Jiang D;Zhang H;Zheng M;Xia M;Jiang A;Wu J;Beltinger C;Wei J

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目前迫切需要一种新的有效治疗肝细胞癌的方法。溶瘤病毒(OVs)不仅能直接裂解恶性肿瘤细胞,还能诱导有效的抗肿瘤免疫反应。麻疹减毒病毒抗肿瘤免疫激活的效力和确切机制尚不清楚。在这项研究中,我们研究了麻疹病毒疫苗株Edmonston (MV-Edm)在改善过继CD8+NKG2D+细胞治疗HCC中的效力。我们发现,mv - edm感染的HCC增强了CD8+NKG2D+细胞的抗肿瘤活性,至少有三种不同的机制介导。首先,MV-Edm感染迫使HCC细胞表达特异性NKG2D配体MICA/B,这可能有助于CD8+NKG2D+细胞的激活。其次,mv - edm感染的HCC细胞刺激CD8+NKG2D+细胞高水平表达FasL,导致细胞凋亡诱导增强。第三,瘤内注射MV-Edm可增强静脉注射CD8+NKG2D+细胞的浸润。此外,我们发现MV-Edm和过继CD8+NKG2D+细胞,无论是单独给药还是联合给药,在HCC中上调免疫抑制酶吲哚胺2,3-双加氧酶1 (IDO1)。氟达拉滨消除IDO1增强抗肿瘤反应。综上所述,我们的数据为HCC的治疗提供了一种新颖且临床相关的策略。
There is an urgent need for novel effective treatment for hepatocellular carcinoma (HCC). Oncolytic viruses (OVs) not only directly lyse malignant cells, but also induce potent antitumour immune responses. The potency and precise mechanisms of antitumour immune activation by attenuated measles virus remain unclear. In this study, we investigated the potency of the measles virus vaccine strain Edmonston (MV-Edm) in improving adoptive CD8+NKG2D+ cells for HCC treatment. We show that MV-Edm-infected HCC enhanced the antitumour activity of CD8+NKG2D+ cells, mediated by at least three distinct mechanisms. First, MV-Edm infection compelled HCC cells to express the specific NKG2D ligands MICA/B, which may contribute to the activation of CD8+NKG2D+ cells. Second, MV-Edm-infected HCC cells stimulated CD8+NKG2D+ cells to express high level of FasL resulting in enhanced induction of apoptosis. Third, intratumoural administration of MV-Edm enhanced infiltration of intravenously injected CD8+NKG2D+ cells. Moreover, we found that MV-Edm and adoptive CD8+NKG2D+ cells, either administered alone or combined, upregulated the immune suppressive enzyme indoleamine 2,3-dioxygenase 1 (IDO1) in HCC. Elimination of IDO1 by fludarabine enhanced antitumour responses. Taken together, our data provide a novel and clinically relevant strategy for treatment of HCC.
靶向 Hsp70 表达结合 CIK 激活的免疫重建在患者来源的肝细胞癌异种移植小鼠模型中协同发挥抗肿瘤功效
DOI: 10.18632/oncotarget.2835
发表时间: 2015-01-20
期刊: Oncotarget
影响因子: --
作者:
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期刊: Cancer research
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DOI: 10.1016/j.bbmt.2012.08.018
发表时间: 2013-01
影响因子: 4.3
作者:
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通讯作者: Ernstoff, Marc S.
DOI: 10.1053/j.gastro.2015.02.055
发表时间: 2015-06-01
期刊: GASTROENTEROLOGY
影响因子: 29.4
作者:
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DOI: 10.1016/j.immuni.2013.07.002
发表时间: 2013-07-25
期刊: Immunity
影响因子: 32.4
作者:
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