A proteomic landscape of diffuse-type gastric cancer.

A proteomic landscape of diffuse-type gastric cancer.
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弥漫型胃癌的蛋白质组学景观

DOI:
10.1038/s41467-018-03121-2
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发表时间:
2018-03-08
影响因子:
16.6
通讯作者:
Qin J
Qin J
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Ge S;Xia X;Ding C;Zhen B;Zhou Q;Feng J;Yuan J;Chen R;Li Y;Ge Z;Ji J;Zhang L;Wang J;Li Z;Lai Y;Hu Y;Li Y;Li Y;Gao J;Chen L;Xu J;Zhang C;Jung SY;Choi JM;Jain A;Liu M;Song L;Liu W;Guo G;Gong T;Huang Y;Qiu Y;Huang W;Shi T;Zhu W;Wang Y;He F;Shen L;Qin J

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弥漫型胃癌(DGC)是胃癌中预后最差、治疗选择最少的一种亚型。在这里,我们展示了来自84名DGC患者的数据集,由11,340个基因产物的蛋白质组和274个癌症驱动基因的突变信息组成,覆盖配对的肿瘤和附近组织。仅根据蛋白质组的改变,DGC可分为三种亚型(PX 1 -3)。PX 1和PX 2在细胞周期中表现出失调,PX 2具有额外的EMT过程; PX 3富含免疫应答蛋白,具有最差的存活率,并且对化疗不敏感。数据分析揭示了DGC的四个主要漏洞,这些漏洞可能是治疗的目标,并允许为DGC患者提名潜在的免疫治疗靶点,特别是对于PX 3患者。该数据集为DGC中改变的信号通路的信息和知识挖掘提供了丰富的资源,并证明了蛋白质组学分析在癌症分子亚型中的益处。弥漫型胃癌(DGC)占胃癌的30%,治疗选择很少。在这里,作者提出了84例患者的突变和蛋白质组数据集,确定了三种主要的DGC类型,并指出了潜在的治疗靶点。
The diffuse-type gastric cancer (DGC) is a subtype of gastric cancer with the worst prognosis and few treatment options. Here we present a dataset from 84 DGC patients, composed of a proteome of 11,340 gene products and mutation information of 274 cancer driver genes covering paired tumor and nearby tissue. DGC can be classified into three subtypes (PX1–3) based on the altered proteome alone. PX1 and PX2 exhibit dysregulation in the cell cycle and PX2 features an additional EMT process; PX3 is enriched in immune response proteins, has the worst survival, and is insensitive to chemotherapy. Data analysis revealed four major vulnerabilities in DGC that may be targeted for treatment, and allowed the nomination of potential immunotherapy targets for DGC patients, particularly for those in PX3. This dataset provides a rich resource for information and knowledge mining toward altered signaling pathways in DGC and demonstrates the benefit of proteomic analysis in cancer molecular subtyping. Diffuse-type gastric cancer (DGC) accounts for 30% of gastric cancers and has few treatment options. Here the authors present a mutation and proteome dataset for 84 patients, identifying three major classes of DGC and indicating potential targets for therapy.
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