Integrative Single-cell RNA-Seq and ATAC-Seq Analysis of Human Developmental Haematopoiesis-Reference-Cited by-同舟云学术

Integrative Single-cell RNA-Seq and ATAC-Seq Analysis of Human Developmental Haematopoiesis

Published:2020-05-07 Issue: Volume: Page:
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Maria Ranzoni Anna,Tangherloni Andrea,Berest Ivan,Riva Simone Giovanni,Myers Brynelle,Strzelecka Paulina M.^ORCID,Xu Jiarui,Panada Elisa,Mohorianu Irina,Zaugg Judith B.^ORCID,Cvejic Ana

Abstract

AbstractRegulation of haematopoiesis during human development remains poorly defined. Here, we applied single-cell (sc)RNA-Seq and scATAC-Seq analysis to over 8,000 human immunophenotypic blood cells from foetal liver and bone marrow. We inferred their differentiation trajectory and identified three highly proliferative oligopotent progenitor populations downstream from haematopoietic stem cell/multipotent progenitors (HSC/MPPs). Along this trajectory, we observed opposing patterns of chromatin accessibility and differentiation that coincided with dynamic changes in the activity of distinct lineage-specific transcription factors. Integrative analysis of chromatin accessibility and gene expression revealed extensive epigenetic but not transcriptional priming of HSC/MPPs prior to their lineage commitment. Finally, we refined and functionally validated the sorting strategy for the HSC/MPPs and achieved around 90% enrichment. Our study provides a useful framework for future investigation of human developmental haematopoiesis in the context of blood pathologies and regenerative medicine.

Publisher

Cold Spring Harbor Laboratory

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