Title : Tbx5 drives Aldh1a2 expression to regulate a RA-Hedgehog-Wnt gene regulatory network coordinating cardiopulmonary development.

Pub. Date : 2021 Oct 13

PMID : 34643182






4 Functional Relationships(s)
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1 Here using Xenopus and mouse embryos, we establish molecular links between Tbx5 and retinoic acid (RA)-signaling in the mesoderm and between RA signaling and sonic hedgehog expression in the endoderm to unveil a conserved RA-Hedgehog-Wnt signaling cascade coordinating cardiopulmonary development. Tretinoin T-box 5 Mus musculus
2 Here using Xenopus and mouse embryos, we establish molecular links between Tbx5 and retinoic acid (RA)-signaling in the mesoderm and between RA signaling and sonic hedgehog expression in the endoderm to unveil a conserved RA-Hedgehog-Wnt signaling cascade coordinating cardiopulmonary development. Tretinoin T-box 5 Mus musculus
3 Tbx5 promotes posterior second heart field identity in a positive feedback loop with RA, antagonizing a Fgf8-Cyp regulatory module to restrict FGF activity to the anterior. Tretinoin T-box 5 Mus musculus
4 We find that Tbx5/Aldh1a2-dependent RA signaling directly activates shh transcription in the adjacent foregut endoderm through a conserved MACS1 enhancer. Tretinoin T-box 5 Mus musculus