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Article Abstract
gene expression is essential for both endothelial and endodermal cell differentiation. To better understand the genetic basis for the expression of multiple mRNA forms, we identified and performed CRISPR/Cas9 mutagenesis of two evolutionarily conserved promoter regions (CRs). The deletion of the upstream and endothelial cell-specific CR1 caused only a modest increase in lympho-vasculogenesis likely via reduced Notch signaling downstream of SOX17. In contrast, the deletion of the downstream CR2 region, which functions in both endothelial and endodermal cells, impairs both vascular and endodermal development causing death by embryonic day 12.5. Analyses of 3D chromatin looping, transcription factor binding, histone modification, and chromatin accessibility data at the locus and surrounding region further support differential regulation of the two promoters during the development.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9421400 | PMC |
| http://dx.doi.org/10.1016/j.isci.2022.104905 | DOI Listing |
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