Cited by 18Genomics and Chromatin DynamicsEpigenetics and DNA MethylationEstrogen and related hormone effects

Alterations in the Chromatin Structure of the Distal Promoter Region of the Bovine Oxytocin Gene Correlate with Ovarian Expression

KASCHEIKE, BERND, RICHARD, WALTHER, NORBERT·1997·DNA and Cell Biology

Abstract

The mechanisms regulating the expression of the neuropeptide hormone gene oxytocin have not yet been elucidated in detail. The binding of the orphan receptor Ad4BP, the bovine homolog of steroidogenic factor-1 (SF-1), which is correlated with in vivo oxytocin transcription in the luteinizing granulosa cells of the bovine corpus luteum, is not sufficient to explain the transcriptional up-regulation in these cells. Therefore, we started experiments to identify other regions of the oxytocin locus that are involved in gene activation. The study presented here is the very first investigation of DNA methylation and chromatin structure in the distal promoter region of the bovine oxytocin gene. We show that this region is tissue-specifically hypomethylated in bovine granulosa cells. Upon stimulation of the cells with the adenylate cyclase-activator forskolin, a DNase I-hypersensitive site is induced in the distal promoter region. Additionally, we find binding of a monomeric nuclear orphan receptor directly within the region of inducible DNase I sensitivity; this factor is not identical to Ad4BP/SF-1. This study identifies a region in the bovine oxytocin distal promoter where tissue-specific changes in DNA methylation and chromatin structure correlate with high induction of oxytocin gene transcription, and suggests that the binding of transcription factors to this region may be important for the up-regulation of oxytocin gene expression.

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Crossref · 10.1089/dna.1997.16.1237

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  • In bovine cells, OXT expression is accompanied by low promoter methylation, and lack of expression by high methylation.

    “Bovine cells that express OXT have low levels of promoter methylation, whereas cells that do not express OXT have high methylation levels in this region (28).”

    From Epigenetic modification of <i>OXT</i> and human sociability (2016) · cites this paper as [28]

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Authors
KASCHEIKE, B., RICHARD, & WALTHER, N.
Affiliations
Universität Hamburg (DE)
Venue
DNA and Cell Biology
Published
1997-10
Volume
16
Issue
10
Pages
1237-1248
ISSN
  • 1044-5498 (ISSN-L)
  • 1557-7430
OpenAlex
W1995051131
Cited by
18
References
48
Citations by year
2021: 1 · 2020: 1 · 2016: 2 · 2013: 1
FWCI
0.35
Type
journal article
Language
en
Open access
closed
Locations
  • DNA and Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
oxytocin gene, distal promoter, chromatin structure, DNA methylation, hypomethylation, DNase I hypersensitive sites, granulosa cells, corpus luteum, transcriptional regulation, orphan nuclear receptor, steroidogenic factor 1, forskolin, tissue-specific gene expression, cattle
MeSH terms
Adenylyl Cyclases, Animals, Binding Sites, Cattle, Cells, Cultured, Chromatin, Corpus Luteum, Deoxyribonuclease I, DNA-Binding Proteins, Female, Colforsin, Gene Expression Regulation, Granulosa Cells, Nuclear Proteins, Oxytocin, Promoter Regions, Genetic, Transcription Factors, Transcriptional Activation, Receptors, Cytoplasmic and Nuclear, Homeodomain Proteins, DNA Methylation, Fushi Tarazu Transcription Factors, Steroidogenic Factor 1

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