PERFORM Publications

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Title		Authors	PubMed ID
1	Atrx Deletion in Neurons Leads to Sexually Dimorphic Dysregulation of miR-137 and Spatial Learning and Memory Deficits.	Tamming RJ, Dumeaux V, Jiang Y, Shafiq S, Langlois L, Ellegood J, Qiu LR, Lerch JP, Bérubé NG	32610139 PERFORM
2	Histone deacetylase 1 and 2 drive differentiation and fusion of progenitor cells in human placental trophoblasts.	Jaju Bhattad G, Jeyarajah MJ, McGill MG, Dumeaux V, Okae H, Arima T, Lajoie P, Bérubé NG, Renaud SJ	32366868 PERFORM

Title:	Histone deacetylase 1 and 2 drive differentiation and fusion of progenitor cells in human placental trophoblasts.
Authors:	Jaju Bhattad G, Jeyarajah MJ, McGill MG, Dumeaux V, Okae H, Arima T, Lajoie P, Bérubé NG, Renaud SJ
Link:	https://www.ncbi.nlm.nih.gov/pubmed/32366868?dopt=Abstract
DOI:	10.1038/s41419-020-2500-6
Publication:	Cell death & disease
Keywords:
PMID:	32366868	Category:	Cell Death Dis	Date Added:	2020-05-06
Dept Affiliation:	PERFORM 1 Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada. 2 Department of Pediatrics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada. 3 PERFORM Centre, Concordia University, Montréal, QC, Canada. 4 Department of Informative Genetics, Environment and Genome Research Center, Tohoku University Graduate School of Medicine, Sendai, Japan. 5 Department of Oncology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada. 6 Children's Health Research Institute, Lawson Health Research Institute, London, ON, Canada. 7 Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada. srenaud4@uwo.ca. 8 Children's Health Research Institute, Lawson Health Research Institute, London, ON, Canada. srenaud4@uwo.ca.

Description:

Histone deacetylase 1 and 2 drive differentiation and fusion of progenitor cells in human placental trophoblasts.

Cell Death Dis. 2020 May 04;11(5):311

Authors: Jaju Bhattad G, Jeyarajah MJ, McGill MG, Dumeaux V, Okae H, Arima T, Lajoie P, Bérubé NG, Renaud SJ

Abstract

Cell fusion occurs when several cells combine to form a multinuclear aggregate (syncytium). In human placenta, a syncytialized trophoblast (syncytiotrophoblast) layer forms the primary interface between maternal and fetal tissue, facilitates nutrient and gas exchange, and produces hormones vital for pregnancy. Syncytiotrophoblast development occurs by differentiation of underlying progenitor cells called cytotrophoblasts, which then fuse into the syncytiotrophoblast layer. Differentiation is associated with chromatin remodeling and specific changes in gene expression mediated, at least in part, by histone acetylation. However, the epigenetic regulation of human cytotrophoblast differentiation and fusion is poorly understood. In this study, we found that human syncytiotrophoblast development was associated with deacetylation of multiple core histone residues. Chromatin immunoprecipitation sequencing revealed chromosomal regions that exhibit dynamic alterations in histone H3 acetylation during differentiation. These include regions containing genes classically associated with cytotrophoblast differentiation (TEAD4, TP63, OVOL1, CGB), as well as near genes with novel regulatory roles in trophoblast development and function, such as LHX4 and SYDE1. Prevention of histone deacetylation using both pharmacological and genetic approaches inhibited trophoblast fusion, supporting a critical role of this process for trophoblast differentiation. Finally, we identified the histone deacetylases (HDACs) HDAC1 and HDAC2 as the critical mediators driving cytotrophoblast differentiation. Collectively, these findings provide novel insights into the epigenetic mechanisms underlying trophoblast fusion during human placental development.

PMID: 32366868 [PubMed - in process]

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