ArticlebioRxiv : the preprint server for biology2024
The transcription factor TCF21 is necessary for adoption of cell fates by Foxd1+ stromal progenitors during kidney development.
Article in bioRxiv : the preprint server for biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Normal kidney development requires the coordinated interactions between multiple progenitor cell lineages. Among these, Foxd1+ stromal progenitors are essential for nephrogenesis, giving rise to diverse cell types including the renal stroma, capsule, mesangial cells, renin cells, pericytes, and vascular smooth muscle cells (VSMCs). However, the molecular mechanisms governing their differentiation remain poorly understood. This study investigates the role of Tcf21, a mesoderm-specific bHLH transcription factor, in Foxd1+ cell fate determination. Using single-cell RNA sequencing (scRNA-seq), we analyzed 32,461 GFP+ cells from embryonic day 14.5 (E14.5) TRANSLATIONAL STATEMENT: This study reveals critical insights into kidney development and congenital anomalies by identifying the developmental origins of stromal heterogeneity and the key role of Tcf21 in stromal progenitor differentiation. These findings enhance our understanding of stromal cell fate decisions and their relevance to congenital disorders. Additionally, this work provides valuable information for improving the recapitulation of the stromal compartment ex vivo, a current challenge in kidney organoid models. The role of Tcf21 in stromal phenotypic modulation underscores its broader significance in tissue repair and fibrotic diseases, suggesting potential avenues for therapeutic intervention.
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