LEUTX regulates porcine embryonic genome activation in somatic cell nuclear transfer embryos.
Cell Rep
; 43(6): 114372, 2024 Jun 25.
Article
in En
| MEDLINE
| ID: mdl-38878289
ABSTRACT
Emerging evidence highlights the regulatory role of paired-like (PRD-like) homeobox transcription factors (TFs) in embryonic genome activation (EGA). However, the majority of PRD-like genes are lost in rodents, thus prompting an investigation into PRD-like TFs in other mammals. Here, we showed that PRD-like TFs were transiently expressed during EGA in human, monkey, and porcine fertilized embryos, yet they exhibited inadequate expression in their cloned embryos. This study, using pig as the research model, identified LEUTX as a key PRD-like activator of porcine EGA through genomic profiling and found that LEUTX overexpression restored EGA failure and improved preimplantation development and cloning efficiency in porcine cloned embryos. Mechanistically, LEUTX opened EGA-related genomic regions and established histone acetylation via recruiting acetyltransferases p300 and KAT2A. These findings reveal the regulatory mechanism of LEUTX to govern EGA in pigs, which may provide valuable insights into the study of early embryo development for other non-rodent mammals.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Genome
/
Nuclear Transfer Techniques
Limits:
Animals
/
Humans
Language:
En
Journal:
Cell Rep
Year:
2024
Document type:
Article
Country of publication: