Partek Flow Documentation

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  • Click the Classified result data node
  • Click Filtering 
  • Click Filter groups
  • Set to exclude Cell type is Doublets using the drop-down menus
  • Click AND
  • Set the second filter to exclude Cell type is N/A using the drop-down menus 
  • Click Finish to apply the filter (Figure ?1)


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SubtitleTextSet up the Filter groups task to exlcude Doublets and cells that are not classified
AnchorNameFilter groups

This produces a Filtered counts data node (Figure ?2).


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SubtitleTextFilter groups output
AnchorNameFiltered counts

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This will produce two data nodes, one for each data type (Figure ?3). The split data nodes will both retain cell classification information.

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  • Click Finish to run the statistical test (Figure ?4)


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SubtitleTextSetting up a comparison for differentially expressed proteins
AnchorNameCITE-Seq GSA task set up

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The report lists each feature tested, giving p-value, false discovery rate adjusted p-value (FDR step up), and fold change values for each comparison (Figure ?5).


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SubtitleTextGSA report for protein expression data
AnchorNameGSA protein result

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This opens a dot plot in a new data viewer session, showing CD45A expression for cells in each of the classifications (Figure ?6).


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SubtitleTextCD45RA dot plot for all cells
AnchorNameCD45RA dot plot

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  • Expand the Summary card
  • Switch on Violins
  • Switch on Overlay
  • Switch on Colored
  • Expand the Data card
  • Use the slider to increase the Jitter
  • Expand the Color card
  • Use the slider to decrease the Opacity (Figure ?7)


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SubtitleTextUse the Configuration panel to configure the dot plot
AnchorNameConfigure dot plot

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  • Click the GSA data node
  • Click Exploratory analysis in the toolbox
  • Click Hierarchical clustering/heat map
  • Check Samples at the top to cluster the cells in addition to features
  • Click Finish to run with other default settings
  • Double-click the Hierarchical clustering task node to open the heat map (Figure ?8)


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SubtitleTextHeatmap showing expression of protein markers before configuration
AnchorNameHeatmap of proteins

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  • Click  to transpose the heat map
  • Set High to 2.6 to match the low range
  • Set the Sample dendrogram to By sample attribute Cell type
  • Set Attributes to Cell type
  • Click  and set Rotation to 0
  • Uncheck Samples under Show labels (Figure 9)


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SubtitleTextHeatmap showing expression of protein markers after configuration
AnchorNameHeatmap of proteins configured

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  • Double-click the GSA task node to open the task report (Figure ?10)


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SubtitleTextGSA report for the gene expression data
AnchorNameGSA genes result

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The Volcano plot opens in a new data viewer session, in a new tab in the web browser. It shows each gene as a point with cutoff lines set for P-value (y-axis) and fold-change (x-axis). By default, the P-value cutoff is set to 0.05 and the fold-change cutoff is set at |2| (Figure ?11).

The plot can be configured using various options in the Configuration card on the left. For example, the Color, Size and Shape cards can be used to change the appearance of the points. The X and Y-axes can be changed in the Data card. The Significance card can be used to set different Fold-change and P-value thresholds for coloring up/down-regulated genes.

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The number at the top of the filter will update to show the number of included genes (Figure ?12).


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SubtitleTextUse the panel on the left to filter the list for significant genes
AnchorNameSignificant genes

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The pathway enrichment results list KEGG pathways, giving an enrichment score and p-value for each (Figure ?13).


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SubtitleTextResults of pathway enrichment test
AnchorNamePathway enrichment analysis results

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The KEGG pathway map shows up-regulated genes from the input list in red and down-regulated genes from the input list in green (Figure ?14).


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SubtitleTextTranscriptional misregulation in cancer pathway with significant genes highlighted in green and red
AnchorNameTranscriptional misregulation in cancer

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