A cell atlas of the human outflow tract of the heart and its adult derivatives

Research output: Preprint/Working paperPreprint

Abstract

The outflow tract (OFT) of the heart carries blood away from the heart into the great arteries. During embryogenesis, the OFT divides to form the aorta and pulmonary trunk, creating the double circulation present in mammals. Defects in this area account for one-third of all congenital heart disease cases. Here, we present comprehensive transcriptomic data on the developing OFT at two distinct timepoints (embryonic and fetal) and its adult derivatives, the aortic valves, and use spatial transcriptomics to define the distribution of cell populations. We uncover that distinctive embryonic signatures persist in adult cells and can be used as labels to retrospectively attribute relationships between cells separated by a large time scale. Our findings define the cellular and molecular signatures of the OFT and its distinct cell lineages, which is critical for understanding congenital heart defects and developing cardiac tissue for regenerative medicine.
Original languageEnglish
PublisherCold Spring Harbor Laboratory Press
DOIs
Publication statusE-pub ahead of print - 5 Jun 2024

Publication series

NamebioRxiv
PublisherCold Spring Harbor Laboratory Press
ISSN (Print)2692-8205

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