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. 2023 Jul 29;14:4566. doi: 10.1038/s41467-023-40173-5

Fig. 2. The construction of LungMAP Human Lung CellRef.

Fig. 2

A Uniform manifold approximation and projection (UMAP) visualization of seed cells representing 48 lung cell types of normal human lung, termed LungMAP Human Lung CellRef Seed. Cells were colored by their predicted seed identities. B UMAP visualization of the complete single-cell reference for normal human lung, denoted as LungMAP Human Lung CellRef, which contains 347,970 cells from 104 donors and defines 48 cell types in normal human lung. Cells were colored by their predicted identities. C Validation of the seed cell identity using the expression of cell type selective marker genes derived from LungMAP CellCards. D Reconstruction of cell lineage relationships using hierarchical clustering analysis of cell type pseudo-bulk gene expression profiles. Color represents Pearson’s correlation value of pseudo-bulk expression profiles. Labels ending with “.Seed” represent pseudo-bulk profiles created by averaging gene expression in the cells of each cell type in the human lung CellRef Seed, while labels ending with “.CellRef” represent pseudo-bulk profiles created using gene expression of each cell type in the complete human lung CellRef.