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I am using Seurat v4.3 to analyze an integrated object. When it comes to finding marker genes for each cluster, I have tried 3 different approaches and it has given me 3 different outputs.
I have tried:
① SCT integration → PrepSCTFindMarkers → FindAllMarkers(assay = "SCT")
② SCT integration → FindAllMarkers(assay = "RNA")
③ SCT integration → NormalizeData(assay = "RNA") → FindVariableFeatures → ScaleData → FindAllMarkers(assay = "RNA")
I am wondering which one would be the correct way to do DE analysis.
I have seen quite a number of posts regarding the assay to use in FindMarkers but I haven't come to a conclusion.
Looking forward to any comments and it is really important for me. Thank you!!!!
The text was updated successfully, but these errors were encountered:
I would recommend using the latest Seurat from develop branch (using remotes::[install_github](https://remotes.r-lib.org/reference/install_github.html)("satijalab/seurat", "develop", quiet = TRUE). We made some fixes to ensure that FindMarkers returns consistent results. That said, if you are using SCT for integration, I would recommend using the SCT assay for finding markers (your workflow #1)
Dear Seurat Team,
I am using Seurat v4.3 to analyze an integrated object. When it comes to finding marker genes for each cluster, I have tried 3 different approaches and it has given me 3 different outputs.
I have tried:
① SCT integration → PrepSCTFindMarkers → FindAllMarkers(assay = "SCT")
② SCT integration → FindAllMarkers(assay = "RNA")
③ SCT integration → NormalizeData(assay = "RNA") → FindVariableFeatures → ScaleData → FindAllMarkers(assay = "RNA")
I am wondering which one would be the correct way to do DE analysis.
I have seen quite a number of posts regarding the assay to use in FindMarkers but I haven't come to a conclusion.
Looking forward to any comments and it is really important for me. Thank you!!!!
The text was updated successfully, but these errors were encountered: