Comprehensive characterization of the embryonic factor LEUTX

  • Lisa Gawriyski
  • , Eeva-Mari Jouhilahti
  • , Masahito Yoshihara
  • , Liangru Fei
  • , Jere Weltner
  • , Tomi T Airenne
  • , Ras Trokovic
  • , Shruti Bhagat
  • , Mari H Tervaniemi
  • , Yasuhiro Murakawa
  • , Kari Salokas
  • , Xiaonan Liu
  • , Sini Miettinen
  • , Thomas R Bürglin
  • , Biswajyoti Sahu
  • , Timo Otonkoski
  • , Mark S Johnson
  • , Shintaro Katayama
  • , Markku Varjosalo
  • , Juha Kere

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)
49 Downloads (Pure)

Abstract

The paired-like homeobox transcription factor LEUTX is expressed in human preimplantation embryos between the 4- and 8-cell stages, and then silenced in somatic tissues. To characterize the function of LEUTX, we performed a multiomic characterization of LEUTX using two proteomics methods and three genome-wide sequencing approaches. Our results show that LEUTX stably interacts with the EP300 and CBP histone acetyltransferases through its 9 amino acid transactivation domain (9aaTAD), as mutation of this domain abolishes the interactions. LEUTX targets genomic cis-regulatory sequences that overlap with repetitive elements, and through these elements it is suggested to regulate the expression of its downstream genes. We find LEUTX to be a transcriptional activator, upregulating several genes linked to preimplantation development as well as 8-cell-like markers, such as DPPA3 and ZNF280A. Our results support a role for LEUTX in preimplantation development as an enhancer binding protein and as a potent transcriptional activator.

Original languageEnglish
Article number106172
Number of pages29
JournaliScience
Volume26
Issue number3
DOIs
Publication statusPublished - 17 Mar 2023
MoE publication typeA1 Journal article-refereed

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