Investigating early fate transitions in human bone marrow

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Investigating early fate transitions in human bone marrow Investigating early fate transitions in human bone marrow Heatmap showing the conserved markers in annotated progenitor types from human bone marrow (Velten et al, 2017; left) or human umbilical cord blood (Drop‐seq micro‐clusters; right). The same heatmaps are in Fig 4C but here all gene names are shown.Enrichment scores for “primed” EMP genes, “primed” LMPP genes, “primed” lymphoid genes, and “primed” Neu/Mo genes (left to right) expression in cord blood CD34+ micro‐clusters, separated by progenitor types.Enrichment scores for “primed” EMP genes, “primed” LMPP genes, “primed” lymphoid genes, and “primed” Neu/Mo genes (left to right) expression in annotated bone marrow CD34+ progenitors.Progenitor type proportions in bone marrow (black) and cord blood (gray).A consensus matrix showing the agreement between a random subset of 500 bone marrow cells from Velten et al, (2017), and the full bone marrow dataset when aligned to the cord blood micro‐clusters. Results from the subsample are shown in rows, while results (for the subsampled cells) from the full analysis are shown in columns. A median “on‐diagonal” consistency of 0.70 is achieved across all annotated cell states, where the consistency is higher among the four “endpoint” states (0.85).Results from PCA using accessible regions adjacent to genes from “primed” and “de novo” programs, showing the same structure as Fig 4E.“River” plots showing the quantitative changes in chromatin accessibility for “de novo” genes (using “primary peaks”) during fate transitions to three downstream lineages from HSC.Heatmap showing k‐means clustering for 324 peaks adjacent to “de novo” lymphoid genes (left), and 120 peaks for “de novo” EMP genes (right). For visualization, accessibilities are scaled (z‐scored) across all experiments. Shiwei Zheng et al. Mol Syst Biol 2018;14:e8041 © as stated in the article, figure or figure legend