Cited by 37Estrogen and related hormone effectsDigestive system and related healthGenomics and Chromatin Dynamics

De-phosphorylation of GR at Ser203 in nuclei associates with GR nuclear translocation and GLUT5 gene expression in Caco-2 cells

Takabe, Satsuki, Mochizuki, Kazuki, Goda, Toshinao·2008·Archives of Biochemistry and Biophysics

Abstract

Glucocorticoid hormones and p44/42 mitogen-activated protein kinase (MAPK) inactivation are considered to be important in small-intestinal differentiation/maturation. In this study, we found that co-treatment with glucocorticoid hormone agonist dexamethasone and p44/42 MAPK inhibitor PD98059 in intestinal cell line Caco-2 strongly induced GLUT5 gene expression. Glucocorticoid hormone receptor (GR) was translocated from the cytoplasm to the nucleus and de-phosphorylated at serine residue 203 in the nucleus, by combined treatment with dexamethasone and PD98059. The binding of GR, as well as acetylated histones H3 and H4, to the promoter/enhancer region of GLUT5 gene was enhanced by combined treatment with dexamethasone and PD98059. These results suggest that the inactivation of p44/42 MAP kinase enhances glucocorticoid hormone-induced GLUT5 gene expression, probably through controlling the phosphorylation at serine 203 and nuclear transport of GR, as well as histone acetylation on the promoter/enhancer region of GLUT5 gene.

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Crossref · 10.1016/j.abb.2008.03.036

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  • Multiple kinases differentially phosphorylate the GR at serine residues S203, S211 and S226, regulating GR nuclear translocation and GR-dependent gene transcription.

    “Multiple kinases have been reported to differentially phosphorylate the GR at its serine residues, S203, S211 and S226, an effect which regulates GR nuclear translocation and GR-dependent gene transcription.25, 26, 27, 28, 29”

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Authors
Takabe, S., Mochizuki, K., & Goda, T.
Affiliations
Shizuoka University (JP)
Corresponding author
Goda, Toshinao
Venue
Archives of Biochemistry and Biophysics
Publisher
Elsevier BV
Published
2008-07
Volume
475
Issue
1
Pages
1-6
ISSN
0003-9861 (ISSN-L)
OpenAlex
W1995094021
Cited by
37
References
21
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 4 · 2018: 3 · 2017: 1 · 2016: 3 · 2015: 2 · 2014: 1 · 2013: 3 · 2012: 2
FWCI
2.28
Type
journal article
Language
en
Open access
closed
Locations
  • Archives of Biochemistry and Biophysics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Uehara Memorial Foundation
  • Ministry of Education, Culture, Sports, Science and Technology (18590220, 18790171)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Digestive system and related health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
glucocorticoid receptor, nuclear translocation, dexamethasone, PD98059, histone acetylation, Caco-2 cells
MeSH terms
Cell Nucleus, Dexamethasone, Dose-Response Relationship, Drug, Flavonoids, Gene Expression Regulation, Humans, Phosphorylation, Receptors, Glucocorticoid, Serine, Caco-2 Cells, Glucose Transporter Type 5

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