Transcriptomics

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ScRNA-seq of human fetal lung primary tissues and cell cultures derived from fetal bud tip progenitors under dual SMAD treatment


ABSTRACT: Underdeveloped lungs are a primary cause of morbidity and mortality in premature infants, but our ability to help these patients by speeding up lung development are hindered by a lack of understanding of human lung developmental biology. Here, we performed single cell RNA sequencing of the human fetal lung from samples spanning from 11.5 weeks gestation to 21 weeks gestation from the distal lung, middle airways, and the tracheal epithelium. The primary goal of this experiment was to define fetal cell states to serve as a gold standard for pluripotent stem cell-derived lung cells and tissues, and to identify potential signaling pathways that drive differentiation of lung progenitor cells to mature cell types. Additionally, we generated bud tip progenitor organoids from 12 week human fetal lung bud tip progenitors. We show that treatment of bud tip progenitor organoids with a short pulse of dual SMAD activation (BMP4+TGFb1) led to the upregulation of lung basal cell markers, a cell type that serves as a critical stem cell for the adult airway, and that further treatment with dual SMAD inhibition leads to the generation of airway-like organoids containing differentiated cell types of the adult airway, including basal stem cells.

INSTRUMENT(S): Illumina HiSeq 4000

ORGANISM(S): Homo sapiens  

SUBMITTER: Qianhui Yu   Michael Czerwinski   Jason Spence  

PROVIDER: E-MTAB-8221 | ArrayExpress | 2020-04-17

SECONDARY ACCESSION(S): ERP121161

REPOSITORIES: ArrayExpress, ENA

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