Cited by 647Inflammatory mediators and NSAID effectsNF-κB Signaling PathwaysSignaling Pathways in Disease

Transcriptional roles of nuclear factor κB and nuclear factor-interleukin-6 in the tumor necrosis factor α-dependent induction of cyclooxygenase-2 in MC3T3-E1 cells.

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Yamamoto, Kei, Arakawa, Toshiya, Ueda, Natsuo, Yamamoto, Shozo·1995·Journal of Biological Chemistry

Abstract

When a mouse osteoblastic cell line MC3T3-E1 was cultured in the presence of tumor necrosis factor alpha (TNF alpha), the release of prostaglandin E2 and the cyclooxygenase activity increased in a dose- and time-dependent manner. The increase of the enzyme activity was attributed mostly to the induction of cyclooxygenase-2 rather than cyclooxygenase-1 as judged by the inhibitory effect of NS398, Western blotting, and Northern blotting. In this system we attempted to elucidate the transcriptional regulation of the cyclooxygenase-2 gene. As examined by the luciferase assay, two positive regulatory regions (-186 to -131 and -512 to -385 base pairs) were found in the 5'-flanking promoter region of the mouse cyclooxygenase-2 gene in the TNF alpha-stimulated cells. The former included putative NF-IL6 (C/EBP beta) and AP2 elements, and the latter contained the NF kappa B motif. A DNA probe including the NF-IL6 and AP2 sites gave positive bands upon electrophoretic mobility shift assay using the nuclear extracts of MC3T3-E1 cells. The bands were supershifted by the addition of anti-NF-IL6 antibody but not by anti-AP2 antibody. A probe including the NF kappa B site also gave positive bands, which were supershifted by anti-NF kappa B p50 and p65 antibodies. Furthermore, when the motif of NF-IL6 or NF kappa B or both was subjected to point mutation, the luciferase activity was markedly reduced. These data suggested a potential role of both NF-IL6 and NF kappa B in the induction of cyclooxygenase-2 by TNF alpha.

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  1. Matsusaka, T., Fujikawa, K., Nishio, Y., Mukaida, N., Matsushima, K., Kishimoto, T., and Akira, S. (1993) Proc. Natl. Acad. Sci. U. S. A. 90, 10193-10197
  2. LeClair, K. P., Blanar, M. A., and Sharp, P. A. (1992) Proc. Natl. Acad. Sci.

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Authors
Yamamoto, K., Arakawa, T., Ueda, N., & Yamamoto, S.
Affiliations
Tokushima University (JP)
Corresponding author
  • Yamamoto, Kei
  • Yamamoto, Shozo
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1995-12
Volume
270
Issue
52
Pages
31315-31320
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2002708977
Cited by
647
References
38
Citations by year
2026: 2 · 2025: 2 · 2024: 7 · 2023: 2 · 2022: 3 · 2021: 17 · 2020: 8 · 2019: 11 · 2018: 12 · 2017: 8 · 2016: 10 · 2015: 8 · 2014: 10 · 2013: 15 · 2012: 14
FWCI
17.65
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Japan Foundation for Applied Enzymology
  • Japan Research Foundation for Clinical Pharmacology
  • Kissei
  • Ono Pharmaceutical
  • Japan Society for the Promotion of Science
  • Daiichi Sankyo Company
Topics
  • Health Sciences › Medicine › Pharmacology › Inflammatory mediators and NSAID effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
Keywords
cyclooxygenase-2, NF-κB, NF-IL6, C/EBPβ, TNF-α, transcriptional regulation, prostaglandin E2, MC3T3-E1 cells, osteoblasts, promoter regulation, gene induction
MeSH terms
Animals, Base Sequence, DNA-Binding Proteins, Enzyme Induction, Isoenzymes, Molecular Sequence Data, Nuclear Proteins, Oligodeoxyribonucleotides, Promoter Regions, Genetic, Prostaglandin-Endoperoxide Synthases, Regulatory Sequences, Nucleic Acid, Transcription, Genetic, Tumor Necrosis Factor-alpha, NF-kappa B, 3T3 Cells, CCAAT-Enhancer-Binding Proteins, Mice

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