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单样本的gsea分析图表

 健明 2021-07-14

最近看到文章 Cancer Cell . 2020 Dec ,标题是《Cathepsin C promotes breast cancer lung metastasis by modulating neutrophil infiltration and neutrophil extracellular trap formation》

链接是:https://pubmed.ncbi.nlm./33450198/  有一个图表很适合布置给学徒作为作业。

研究者对荷兰癌症研究所(NKI)发表的乳腺癌基因表达数据进行分析,绘制出来了如下所示的单样本的gsea分析图表:

单样本的gsea分析图表

图例是:(H) Single-sample gene set enrichment analysis of CTSC correlation to neutrophil-related gene sets in the NKI dataset (n = 295). Scale bar, 50 mm. p values were obtained by two-tailed unpaired t test (B, E, and F) or Pearson’s correlation analysis (others)

我看了看文章:

  • The NKI microarray data and clinical information were obtained from previous publications   (Minn et al., 2007; van de Vijver et al., 2002).

  • The enrichment of neutrophilrelated gene sets in these tumors were analyzed by ssGESA in GenePattern platform with the previously published neutrophil gene sets (Bindea et al., 2013; Ebert et al., 2008; Kim et al., 2019).  These gene sets are listed in Table S6.

  • Download spreadsheet (13KB) ,Table S6. Gene sets used for single-sample gene set enrichment analyses, related to the STAR methods.

数据分析大纲

  • 下载表达量矩阵
  • 读文献拿到3个基因集的基因列表
  • 针对基因列表去表达量矩阵里面走ssGSE分析
  • 对ssGSE分析值与CTSC表达量进行相关性计算
  • 绘制热图

老规矩,学徒作业需要以markdown形式,描述清楚你的分析过程,并且发邮件到我邮箱(jmzeng1314@163.com)

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