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Novel stromal biomarker screening in pancreatic cancer patients using the in vitro cancer-stromal interaction model

机译:使用体外癌基质相互作用模型胰腺癌患者的新型基质生物标志物筛选

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Schematic explaining the study design strategy. Five primary cultivated fibroblasts from human pancreas were prepared and stimulated by two types of pancreatic CCCM (Capan-1 and MIA PaCa-2). Gene expression analysis of the fibroblasts was performed to elucidate up-regulated genes. Gene-expression data concomitant with overall survival in PDAC was collected from the TCGA and prognostic marker candidates were selected from these up-regulated genes. Prognostic marker candidates were confirmed to be expressed in 5 human fresh PDAC tissues compared to normal fresh tissues. Finally, survival analysis using immunohistochemistry on tissue microarrays consisting of 216 surgically resected PDAC tissues was performed. CCCM, cancer-cell-conditioned medium; PDAC, pancreatic ductal adenocarcinoma; TCGA, The Cancer Genome Atlas
机译:示意图解释了研究设计策略。制备来自人胰腺的五种主要培养的成纤维细胞并刺激两种类型的胰腺CCCM(Capan-1和MIA Paca-2)。进行成纤维细胞的基因表达分析以阐明上调基因。从TCGA中收集PDAC整体存活的基因表达数据,并从这些上调基因中选择预后标记候选物。与正常的新鲜组织相比,确认预后标记候选物在5种人新鲜PDAC组织中表达。最后,进行使用免疫组织化学的存活分析在组织微阵列中,由216组组成的组织微阵列组成的组织微阵列组成。 CCCM,癌细胞条件培养基; PDAC,胰腺导管腺癌; TCGA,癌症基因组图集

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