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Sequential emergence and contraction of epithelial subtypes in the prenatal human choroid plexus revealed by a stem cell model

GSE296691 Homo sapiens Expression profiling by high throughput sequencing 4 samples Submitted 2025/05/21 Platform GPL20301
Summary
Despite the major roles of choroid plexus epithelial cells (CPECs) in brain homeostasis and repair, their developmental lineage and diversity remain undefined. In simplified differentiations from human pluripotent stem cells, derived CPECs (dCPECs) display canonical properties and dynamic motile multiciliated phenotypes that interacted with Aβ uptake. Single dCPEC transcriptomes over time correlates well with human organoid and fetal CPECs, while pseudotemporal and cell cycle analyses highlight the direct CPEC origin from neuroepithelial cells. In addition, time series analyses define metabolic (type 1) and ciliogenic dCPECs (type 2) at early timepoints, followed by type 1 diversification into anabolic-secretory (type 1a) and catabolic-absorptive subtypes (type 1b) as type 2 cells contract. These temporal patterns were confirmed in independent derivations and mapped to prenatal stages using human tissues. In addition to defining the prenatal lineage of human CPECs, these findings suggest new dynamic models of ChP support for the developing human brain.
Published in
Sequential emergence and contraction of epithelial subtypes in the prenatal human choroid plexus revealed by a stem cell model
Masters H, Wang S, Tu C et al. · Nature communications 2025 · PMID 40461502 · doi:10.1038/s41467-025-60361-9
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Also filed as BioProject PRJNA1260536 and SRA study SRP583969. Searching any of these in the dataset finder brings you back here.

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