Figure 1.

Mass Cytometry Reveals Immune Cell Heterogeneity between Fetal and Adult Skin

Twenty-three weeks gestational age (g.a.) fetal torso skin along with healthy adult skin torso samples were analyzed in parallel for 22 markers using mass cytometry.

(A) Uniform manifold approximation and projection (UMAP) plots of viable CD45⁺ cells in fetal versus adult skin, cells colored by cluster identity, and plots annotated with cluster numbers and assigned identities.

(B) Heatmap demonstrating relative expression by cluster of 22 markers in panel, inclusive of both fetal and adult cells.