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CellChat 1.1.3 (2021-08-14)

Updated functions with minor changes

netAnalysis_computeCentrality, netVisual_embeddingPairwise, netAnalysis_signalingChanges_scatter NB: The method for computing the 'influencer' metric in the function netAnalysis_computeCentrality has been changed due to the issue that "lower" mode gives different results when re-ordering the matrix. The results changed, but it looks like the dominant patterns do not change, i.e., the top cell groups ranked based on this metrix retain the same.

CellChat 1.1.2 (2021-07-10)

New added functions

  • Add netAnalysis_diff_signalingRole_scatter for 2D visualization of differential signaling roles of each cell group when comparing mutiple datasets.

Updated functions with minor changes

netVisual, netVisual_aggregate, netVisual_individual, netVisual_hierarchy1, netVisual_hierarchy2,netVisual_circle,createCellChat,netAnalysis_computeCentrality ,netAnalysis_signalingRole_scatter, netAnalysis_signalingChanges_scatter

Important changes

  • Add thresh = 0.05 in netAnalysis_computeCentrality to only consider the significant interactions. This will slightly change (very likely quantitative instead of qualitative change) the results computed by previous version of CellChat.

  • In the updated netAnalysis_computeCentrality, we now also compute unweighted outdegree (i.e., the total number of outgoing links) and indegree (i.e., the total number of incoming links).

  • netAnalysis_signalingRole_scatter and netAnalysis_signalingChanges_scatter now support the comparison of the total number of outgoing and incoming links.

  • Change the default setting for visualizing cell-cell communication network: 1) using circle plot instead of hierarchy; 2) using the same node size instead of different size (setting vertex.weight = NULL will give different size as in previous version of CellChat).

CellChat 1.1.1 (2021-06-19)

New added functions

  • Add updateClusterLabels to update cell cluster labels without re-running the time-consuming function computeCommunProb.

Updated functions with minor changes

netAnalysis_signalingRole_scatter, setIdent, netVisual_diffInteraction, sketchData, identifyOverExpressedGenes,netEmbedding,runUMAP

CellChat 1.1.0 (2021-04-26)

New added functions

  • Add subsetCellChat to create a object using a portion of cells
  • Add computeAveExpr to compute the average expression per cell group
  • Add sketchData to downsample the single cell data for faster calculation
  • Add netAnalysis_signalingChanges_scatter to identify the signaling changes associated with one cell group

Important changes

  • computeCommunProb now supports a faster calculation and displays a ProgressBar
  • computeCommunProbPathway now returns the significant pathways that are ordered based on the total communication probabilities

Publish a new release

  • The first release was published as version 1.0.0 before updating to version 1.1.0

CellChat 1.0.0 (2021-02-17)

  • CellChat paper is now officially published (Jin et al., Nature Communications, 2021). Compared to the preprint, we have now experimentally validated CellChat's predictions on embryonic skin using RNAscope technique, applied CellChat to a human diseased skin dataset and updated many others.
  • We have now developed a standalone CellChat Shiny App for interactive exploration of the cell-cell communication analyzed by CellChat. Want to share your results with your collaborators like biologists for further exploration? Try it out!

CellChat 0.5.0 (2021-01-05)

  • Slight changes of CellChat object (Please update your previously calculated CellChat object via updateCellChat())
  • Enhanced documentation of functions and tutorials (use help() to check the documentation, e.g., help(CellChat))
  • New features for comparison analysis of multiple datasets
  • Support for creating a new CellChat object from Seurat V3 or SingleCellExperiment object