Journal article
Sequential peripheral enrichment of H2A.Zac and H3K9me2 during trophoblast differentiation in human embryonic stem cells
Journal of Cell Science, Vol.133(24), pp.1-12
2020
PMID: 33199519
Abstract
During the transition from pluripotency to a lineage-committed state, chromatin undergoes large-scale changes in structure, involving covalent modification of histone tails, use of histone variants and gene position changes with respect to the nuclear periphery. Here, using high-resolution microscopy and quantitative image analysis, we surveyed a panel of histone modifications for changes in nuclear peripheral enrichment during differentiation of human embryonic stem cells to a trophoblast-like lineage. We found two dynamic modifications at the nuclear periphery, acetylation of histone H2A.Z (H2A.Zac), and dimethylation of histone H3 at lysine 9 (H3K9me2). We demonstrate successive peripheral enrichment of these markers, with H2A.Zac followed by H3K9me2, over the course of 4 days. We find that H3K9me2 increases concomitantly with, but independently of, expression of lamin A, since deletion of lamin A did not affect H3K9me2 enrichment. We further show that inhibition of histone deacetylases causes persistent and increased H2A.Z acetylation at the periphery, delayed H3K9me2 enrichment and failure to differentiate. Our results show a concerted change in the nature of peripheral chromatin occurs upon differentiation into the trophoblast state.
Details
- Title
- Sequential peripheral enrichment of H2A.Zac and H3K9me2 during trophoblast differentiation in human embryonic stem cells
- Authors
- Georgia Rose Kafer (Author) - Kyoto UniversityYoshihisa Tanaka (Author) - Kyoto UniversityRegina Rillo-Bohn (Author) - Kyoto UniversityEiko Shimizu (Author) - Kyoto UniversityKouichi Hasegawa (Author) - Kyoto UniversityPeter M Carlton (Author) - Kyoto University
- Publication details
- Journal of Cell Science, Vol.133(24), pp.1-12
- Publisher
- The Company of Biologists Ltd.
- DOI
- 10.1242/jcs.245282
- ISSN
- 1477-9137
- PMID
- 33199519
- Organisation Unit
- School of Health - Biomedicine; Centre for Bioinnovation; School of Health and Behavioural Sciences - Legacy; University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; Australian Centre for Pacific Islands Research
- Language
- English
- Record Identifier
- 99512708702621
- Output Type
- Journal article
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