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Cited by 309

The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.

Transcriptional Regulation of The Human Monocyte Chemoattractant Protein-1 Gene

Open access
Ueda, Atsuhisa, Ishigatsubo, Yoshiaki, Okubo, Takao, Yoshimura, Teizo·1997·Journal of Biological Chemistry

Abstract

Human monocyte chemoattractant protein-1 (human MCP-1) mRNA accumulated in THP-1 cells 2 h after lipopolysaccharide (LPS) stimulation. DNase I footprinting revealed that LPS stimulation induced protein binding to the two closely located NF-kappaB sites, A1 and A2. By electrophoretic gel mobility shift assay and supershift assay, the binding of (p65)2, c-Rel/p65, p50/p65, and p50/c-Rel to the A2 oligonucleotide probe was detected after LPS stimulation. In contrast, 12-o-tetradecanoylphorbol 13-acetate did not induce a significant amount of MCP-1 mRNA in THP-1 cells 2 h after stimulation, and only p50/p65 bound to the A2 probe. trans-Activity of each NF-kappaB/Rel dimer was investigated by transfecting P19 cells with p65, p50, and/or c-Rel expression vectors, and a luciferase construct containing the enhancer region of the human MCP-1 gene. Expression of recombinant p65 or p65 and c-Rel resulted in elevated luciferase activities, indicating that (p65)2 and c-Rel/p65 had trans-activity. The binding of (p65)2 and/or c-Rel/p65 to the A2 probe was also detected from 12-o-tetradecanoylphorbol 13-acetate-stimulated HeLa, HOS, and A172 cells in which expression of MCP-1 mRNA was elevated. Finally, the role of the A1 site was investigated. Both (p65)2 and c-Rel/p65 bound to the A1 probe by electrophoretic mobility shift assay and a mutation in the A1 or A2 site resulted in a loss of the enhancer activity. These results suggest that the binding of (p65)2 and c-Rel/p65 to the A1 and A2 sites of this gene is important for the tissue- and stimulus-specific transcription of the human MCP-1 gene.

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Metadata

Authors
Ueda, A., Ishigatsubo, Y., Okubo, T., & Yoshimura, T.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1997-12
Volume
272
Issue
49
Pages
31092-31099
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2079866862
Cited by
309
References
49
FWCI
6.55
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Transcriptional Regulation of The Human Monocyte Chemoattractant Protein-1 Gene. https://app.cochat.ai/papers/10.1074/jbc.272.49.31092
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Ueda, A., Ishigatsubo, Y., Okubo, T., & Yoshimura, T. (1997). Transcriptional Regulation of The Human Monocyte Chemoattractant Protein-1 Gene. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.272.49.31092

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