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A project that analyzes gene expression datasets.

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R---Microarray-Study-

A project that analyzes the gene expression dataset.

There are three groups in the main dataset: A=Sepsis B=Control C=SIRS.

The main dataset contains the difference in gene expression between each group was measured. Gene expressions show how an organism responds to different conditions.

A binary significance value was assigned (1 significant, 0 not significant).

Here I looked for genes with significant difference in Sepsis vs SIRS that do not have a significant difference in Control vs SIRS.

To reveal the specific genes that are upregulated or downregulated due to infection, I selected from siglist a group of genes with the following conditions: a fold change in gene expression between Sepsis vs Control, Sepsis vs SIRS greater than 1 and a significant difference between Control vs SIRS.

These genes are the ones that are downregulated or upregulated due to infection

A second set of genes differentially expressed in Control vs SIRS was selected from siglist. Genes with a fold change in gene expression in Control vs SIRS greater than 2 were selected

Actions:

  • Read siglist
  • Extract the genes that have sigAC1=1 & sigBC=0
  • Construct Venn Diagrams
  • Export Files
  • Fold change AB/AC>2 extraction and HEATMAP
  • Fold change AB/AC>1 extraction and HEATMAP
  • Fold change BC>2 extraction and HEATMAP

The dataset is not uploaded as I do not have the rights to publicly distribute the dataset.

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A project that analyzes gene expression datasets.

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