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p63 regulates Satb1 to control tissue-specific chromatin remodeling during development of the epidermis

Journal Article · · Journal of Cell Biology
 [1];  [2];  [2];  [3];  [3];  [2];  [2];  [3];  [2];  [4];  [5];  [6];  [5];  [7]
  1. Univ. of Bradford (United Kingdom). Centre for Skin Sciences; DOE/OSTI
  2. Univ. of Bradford (United Kingdom). Centre for Skin Sciences
  3. Boston Univ., MA (United States). School of Medicine. Dept. of Dermatology
  4. Fondazione SDN Istituto di Ricovero e Cura a Carattere Scientifico, Napoli (Italy)
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Life Sciences Division
  6. CEINGE Biotechnologie Avanzate, Naples (Italy); Fondazione SDN Istituto di Ricovero e Cura a Carattere Scientifico, Napoli (Italy)
  7. Univ. of Bradford (United Kingdom). Centre for Skin Sciences; Boston Univ. Boston, MA (United States). School of Medicine. Dept. of Dermatology
During development, multipotent progenitor cells establish tissue-specific programs of gene expression. In this paper, we show that p63 transcription factor, a master regulator of epidermal morphogenesis, executes its function in part by directly regulating expression of the genome organizer Satb1 in progenitor cells. p63 binds to a proximal regulatory region of the Satb1 gene, and p63 ablation results in marked reduction in the Satb1 expression levels in the epidermis. Satb1-/- mice show impaired epidermal morphology. In Satb1-null epidermis, chromatin architecture of the epidermal differentiation complex locus containing genes associated with epidermal differentiation is altered primarily at its central domain, where Satb1 binding was confirmed by chromatin immunoprecipitation–on-chip analysis. Furthermore, genes within this domain fail to be properly activated upon terminal differentiation. Satb1 expression in p63+/- skin explants treated with p63 small interfering ribonucleic acid partially restored the epidermal phenotype of p63-deficient mice. These data provide a novel mechanism by which Satb1, a direct downstream target of p63, contributes in epidermal morphogenesis via establishing tissue-specific chromatin organization and gene expression in epidermal progenitor cells.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1625159
Journal Information:
Journal of Cell Biology, Journal Name: Journal of Cell Biology Journal Issue: 6 Vol. 194; ISSN 0021-9525
Publisher:
Rockefeller University PressCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (39)

Stem cells in ectodermal development journal May 2012
MicroRNA-191 triggers keratinocytes senescence by SATB1 and CDK6 downregulation journal July 2012
3D-printed dermis-specific extracellular matrix mitigates scar contraction via inducing early angiogenesis and macrophage M2 polarization journal April 2022
Leucine rich amelogenin peptide alters ameloblast differentiation in vivo journal October 2013
Epigenetic Regulation of Gene Expression in Keratinocytes journal November 2012
Nuclear Topology, Epigenetics, and Keratinocyte Differentiation journal September 2013
Epigenetic Regulation of Epidermal Development and Keratinocyte Differentiation journal July 2015
Integration of the Transcription Factor-Regulated and Epigenetic Mechanisms in the Control of Keratinocyte Differentiation journal November 2015
Satb1 integrates DNA binding site geometry and torsional stress to differentially target nucleosome-dense regions journal July 2019
Robust shifts in S100a9 expression with aging: A novel mechanism for chronic inflammation journal February 2013
p63 delegates during skin development journal September 2011
A keratin scaffold regulates epidermal barrier formation, mitochondrial lipid composition, and activity journal December 2015
Cbx4: A new guardian of p63’s domain of epidermal control journal December 2015
An anti-silencer– and SATB1-dependent chromatin hub regulates Rag1 and Rag2 gene expression during thymocyte development journal April 2015
A composite enhancer regulates p63 gene expression in epidermal morphogenesis and in keratinocyte differentiation by multiple mechanisms journal January 2015
p63 cooperates with CTCF to modulate chromatin architecture in skin keratinocytes journal January 2019
Role of chromatin and transcriptional co-regulators in mediating p63-genome interactions in keratinocytes journal November 2014
SATB1 establishes ameloblast cell polarity and regulates directional amelogenin secretion for enamel formation journal December 2019
A novel ATAC-seq approach reveals lineage-specific reinforcement of the open chromatin landscape via cooperation between BAF and p63 journal December 2015
5C analysis of the Epidermal Differentiation Complex locus reveals distinct chromatin interaction networks between gene-rich and gene-poor TADs in skin epithelial cells journal September 2017
Plakoglobin Represses SATB1 Expression and Decreases In Vitro Proliferation, Migration and Invasion journal November 2013
SATB1 Mediates Long-Range Chromatin Interactions: A Dual Regulator of Anti-Apoptotic BCL2 and Pro-Apoptotic NOXA Genes journal September 2015
Epigenetic Regulation of Skin Cells in Natural Aging and Premature Aging Diseases journal December 2018
PML Regulates the Epidermal Differentiation Complex and Skin Morphogenesis during Mouse Embryogenesis journal September 2020
ΔNp63 in squamous cell carcinoma: defining the oncogenic routes affecting epigenetic landscape and tumour microenvironment journal March 2019
Master regulatory role of p63 in epidermal development and disease journal November 2017
Mutant p63 Affects Epidermal Cell Identity through Rewiring the Enhancer Landscape journal December 2018
Epigenetic control of adult stem cell function journal July 2016
SATB family chromatin organizers as master regulators of tumor progression journal November 2018
Pioneer and repressive functions of p63 during zebrafish embryonic ectoderm specification journal July 2019
Epigenetic control in skin development, homeostasis and injury repair journal February 2019
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p63 cooperates with CTCF to modulate chromatin architecture in skin keratinocytes journal June 2019
Long non‐coding RNA uc.291 controls epithelial differentiation by interfering with the ACTL6A/BAF complex journal February 2020
Long non-coding RNA uc.291 controls epithelial differentiation by interfering with the ACTL6A/BAF complex. journalarticle January 2020
Molecular Mechanisms of p63-Mediated Squamous Cancer Pathogenesis journal July 2019
p63 Is a Promising Marker in the Diagnosis of Unusual Skin Cancer journal November 2019

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