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A BMP-controlled metabolic-epigenetic signaling cascade directs midfacial morphogenesis

ABSTRACT: A BMP-controlled metabolic-epigenetic signaling cascade directs midfacial morphogenesis

PROVIDER: PRJNA1040221 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26827596.fastq.gz	Fastqsanger.gz
	SRR26827597.fastq.gz	Fastqsanger.gz
	SRR26827598.fastq.gz	Fastqsanger.gz
	SRR26827599.fastq.gz	Fastqsanger.gz

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A BMP-controlled metabolic-epigenetic signaling cascade directs midfacial morphogenesis

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A BMP-controlled metabolic/epigenetic signaling cascade directs midfacial morphogenesis.

Project description:Craniofacial anomalies, especially midline facial defects, are among the most common birth defects in patients and are associated with increased mortality or require lifelong treatment. During mammalian embryogenesis, specific instructions arising at genetic, signaling, and metabolic levels are important for stem cell behaviors and fate determination, but how these functionally relevant mechanisms are coordinated to regulate craniofacial morphogenesis remain unknown. Here, we report that bone morphogenetic protein (BMP) signaling in cranial neural crest cells (CNCCs) is critical for glycolytic lactate production and subsequent epigenetic histone lactylation, thereby dictating craniofacial morphogenesis. Elevated BMP signaling in CNCCs through constitutively activated ACVR1 (ca-ACVR1) suppressed glycolytic activity and blocked lactate production via a p53-dependent process that resulted in severe midline facial defects. By modulating epigenetic remodeling, BMP signaling-dependent lactate generation drove histone lactylation levels to alter essential genes of Pdgfra, thus regulating CNCC behavior in vitro as well as in vivo. These findings define an axis wherein BMP signaling controls a metabolic/epigenetic cascade to direct craniofacial morphogenesis, thus providing a conceptual framework for understanding the interaction between genetic and metabolic cues operative during embryonic development. These findings indicate potential preventive strategies of congenital craniofacial birth defects via modulating metabolic-driven histone lactylation.

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