AnnData
AnnData is a Python package for handling annotated data matrices, storing experimental measurements (X) alongside observ…
维护者 FreedomIntelligence · 最近更新 2026年4月1日
Find marker genes and annotate cell types in single-cell RNA-seq using Seurat (R) and Scanpy (Python). Use for differential expression between clusters, identifying cluster-specific markers, scoring gene sets, and assigning cell type labels. Use when finding marker genes and annotating clusters.
原始来源
https://github.com/FreedomIntelligence/OpenClaw-Medical-Skills/tree/main/skills/bio-single-cell-markers-annotation
技能摘要
原始文档
Goal: Identify cluster-specific marker genes, score gene sets, and annotate cell types using Scanpy.
Approach: Perform differential expression testing between clusters with Wilcoxon rank-sum, visualize markers with dot plots and heatmaps, and assign cell type labels manually.
"Find marker genes for each cluster" → Test each cluster against all others for differentially expressed genes and rank by statistical significance and fold change.
sc.pl.rank_genes_groups(adata, n_genes=10, sharey=False)
markers = sc.get.rank_genes_groups_df(adata, group=None) print(markers.head(20))
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