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Introducing dominoSignal: Improved Inference of Cell Signaling from Single Cell RNA Sequencing Data dominoSignal logo

dominoSignal is an updated version of the original domino R package published in Nature Biomedical Engineering in Computational reconstruction of the signalling networks surrounding implanted biomaterials from single-cell transcriptomics. dominoSignal is a tool for analysis of intra- and intercellular signaling in single cell RNA sequencing data based on transcription factor activation and receptor and ligand linkages between clusters.

Installation

dominoSignal is the continuation of Domino software hosted on the Elisseeff-Lab GitHub. dominoSignal is undergoing active development where aspects of how data is used, analyzed, and interpreted is subject to change as new features and fixes are implemented. The most up to date stable version is on the FertigLab GitHub. This version of dominoSignal can be installed using the remotes package.

if(!require(remotes)){
    install.packages('remotes')
}
remotes::install_github('FertigLab/dominoSignal')

Usage Overview

Here is an overview of how dominoSignal might be used in analysis of a single cell RNA sequencing data set:

  1. Transcription factor activation scores are calculated (we recommend using pySCENIC, but other methods can be used as well)
  2. A ligand-receptor database is used to map linkages between ligands and receptors (we recommend using CellPhoneDB, but other methods can be used as well).
  3. A domino object is created using counts, z-scored counts, clustering information, and the data from steps 1 and 2.
  4. Parameters such as the maximum number of transcription factors and receptors or the minimum correlation threshold (among others) are used to make a cell communication network
  5. Communication networks can be extracted from within the domino object or visualized using a variety of plotting functions

Please see our website for tutorials on all of these steps, from downloading and running pySCENIC in the SCENIC tutorial to building and visualizing domino results on the Getting Started page. Other articles include further details on plotting functions and the structure of the domino object.

Citation

If you use our package in your analysis, please cite us:

Cherry C, Maestas DR, Han J, Andorko JI, Cahan P, Fertig EJ, Garmire LX, Elisseeff JH. Computational reconstruction of the signalling networks surrounding implanted biomaterials from single-cell transcriptomics. Nat Biomed Eng. 2021 Oct;5(10):1228-1238. doi: 10.1038/s41551-021-00770-5. Epub 2021 Aug 2. PMID: 34341534; PMCID: PMC9894531.

Cherry C, Mitchell J, Nagaraj S, Krishnan K, Lvovs D, Fertig E, Elisseeff J (2024). dominoSignal: Cell Communication Analysis for Single Cell RNA Sequencing. R package version 0.99.2.

Contact Us

If you find any bugs or have questions, please let us know here. tat