Comparison of Resources and Methods to infer Cell-Cell Communication from Single-cell RNA Data
Preprint
- 23 May 2021
- preprint
- research article
- Published by Cold Spring Harbor Laboratory
Abstract
The growing availability of single-cell data has sparked an increased interest in the inference of cell-cell communication from this data. Many tools have been developed for this purpose. Each of them consists of a resource of intercellular interactions prior knowledge and a method to predict potential cell-cell communication events. Yet the impact of the choice of resource and method on the resulting predictions is largely unknown. To shed light on this, we created a framework, available at https://github.com/saezlab/ligrec_decoupler, to facilitate a comparative assessment of methods for inferring cell-cell communication from single cell transcriptomics data and then compared 15 resources and 6 methods. We found few unique interactions and a varying degree of overlap among the resources, and observed uneven coverage in terms of pathways and biological categories. We analysed a colorectal cancer single cell RNA-Seq dataset using all possible combinations of methods and resources. We found major differences among the highest ranked intercellular interactions inferred by each method even when using the same resources. The varying predictions lead to fundamentally different biological interpretations, highlighting the need to benchmark resources and methods. Findings Built a framework to systematically combine 15 resources and 6 methods to estimate cell-cell communication from single-cell RNA data Cell-cell communication resources are often built from the same original databases and very few interactions are unique to a single resource. Yet overlap varies among resources and certain biological terms are unevenly represented Different methods and resources provided notably different results The observed disagreement among the methods could have a considerable impact on the interpretation of resultsKeywords
Other Versions
- Published version: Version Nature Communications, 13, preprints
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