Cell-autonomous immune gene expression is repressed in pulmonary neuroendocrine cells and small cell lung cancer.

Cell-autonomous immune gene expression is repressed in pulmonary neuroendocrine cells and small cell lung cancer.
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DOI:
10.1038/s42003-021-01842-7
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发表时间:
2021-03-09
影响因子:
5.9
通讯作者:
Gazdar AF
Gazdar AF
中科院分区:
生物学2区
文献类型:
--
作者:
Cai L;Liu H;Huang F;Fujimoto J;Girard L;Chen J;Li Y;Zhang YA;Deb D;Stastny V;Pozo K;Kuo CS;Jia G;Yang C;Zou W;Alomar A;Huffman K;Papari-Zareei M;Yang L;Drapkin B;Akbay EA;Shames DS;Wistuba II;Wang T;Johnson JE;Xiao G;DeBerardinis RJ;Minna JD;Xie Y;Gazdar AF

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小细胞肺癌 (SCLC) 被归类为高级神经内分泌 (NE) 肿瘤,但 SCLC 的一个子集由于 NE 特征的丧失而被称为“变异型”。在这项研究中,我们计算了患者来源的 SCLC 细胞系和异种移植物以及人类肿瘤的 NE 评分。我们将 NE 特性与转录因子定义的分子亚型进行了比对。然后我们研究了与高和低 NE 评分相关的不同免疫表型。我们发现免疫反应基因的抑制是经典 SCLC 和健康肺部的肺神经内分泌细胞的共同特征。随着 NE 命运的丧失,变异型 SCLC 肿瘤重新获得细胞自主免疫基因表达,并表现出更高的肿瘤免疫相互作用。泛癌症分析揭示了其他癌症中的这种 NE 谱系特异性免疫表型。此外,我们观察到 SCLC 中出现化疗耐药性后 MHC I 重新表达。这些发现可能有助于指导 SCLC 治疗方案的设计。蔡岭等人。使用健康肺部、患者来源的小细胞肺癌细胞系、异种移植物和原发性肿瘤的转录组学分析数据来检查神经内分泌(NE)特征和免疫基因表达之间的联系。他们的研究结果表明,细胞自主免疫基因抑制是 NE 谱系的健康细胞和肿瘤细胞的共同特征,可能影响肿瘤-免疫细胞相互作用和对免疫治疗的反应。
Small cell lung cancer (SCLC) is classified as a high-grade neuroendocrine (NE) tumor, but a subset of SCLC has been termed “variant” due to the loss of NE characteristics. In this study, we computed NE scores for patient-derived SCLC cell lines and xenografts, as well as human tumors. We aligned NE properties with transcription factor-defined molecular subtypes. Then we investigated the different immune phenotypes associated with high and low NE scores. We found repression of immune response genes as a shared feature between classic SCLC and pulmonary neuroendocrine cells of the healthy lung. With loss of NE fate, variant SCLC tumors regain cell-autonomous immune gene expression and exhibit higher tumor-immune interactions. Pan-cancer analysis revealed this NE lineage-specific immune phenotype in other cancers. Additionally, we observed MHC I re-expression in SCLC upon development of chemoresistance. These findings may help guide the design of treatment regimens in SCLC. Ling Cai et al. used transcriptomic profiling data of healthy lung, patient-derived small cell lung cancer cell lines, xenografts, and primary tumors to examine a link between neuroendocrine (NE) signatures and immune gene expression. Their findings suggest that cell-autonomous immune gene repression is a shared feature between healthy and tumor cells of NE lineage and may influence tumor-immune cell interaction and response to immunotherapy.
DOI: 10.1093/nar/gky1055
发表时间: 2019-01-08
影响因子: 14.9
作者:
The Gene Ontology Consortium
通讯作者: The Gene Ontology Consortium
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发表时间: 2011-10-15
影响因子: 10.5
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通讯作者: Lowe, Scott W.
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发表时间: 2014-02-15
影响因子: 11.5
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Canadas, Israel;Rojo, Federico;Arriola, Edurne
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DOI: 10.1158/2159-8290.cd-17-0935
发表时间: 2018-05
期刊: Cancer discovery
影响因子: 28.2
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DOI: 10.1038/s41388-018-0588-2
发表时间: 2019-04-04
期刊: ONCOGENE
影响因子: 8
作者:
Cai, Ling;Lin, ShinYi;Xie, Yang
通讯作者: Xie, Yang