Differential induction of interferon (IFN)-inducible protein 10 following differentiation of a monocyte, macrophage cell lineage is related to the changes of nuclear proteins bound to IFN stimulus response element and kappaB sites.

Tomura,K; Narumi,S

doi:10.3892/ijmm.3.5.477

May 1999 Volume 3 Issue 5

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May 1999 Volume 3 Issue 5

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Article

Differential induction of interferon (IFN)-inducible protein 10 following differentiation of a monocyte, macrophage cell lineage is related to the changes of nuclear proteins bound to IFN stimulus response element and kappaB sites.

Authors:
- K Tomura
- S Narumi
View Affiliations / Copyright

Affiliations: JT Pharmaceutical Frontier Research Laboratories, Yokohama, Kanagawa 236, Japan.
Pages: 477-561
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Published online on: May 1, 1999

https://doi.org/10.3892/ijmm.3.5.477
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Abstract

We examined chemokine gene expression following the differentiation of a monocyte, macrophage cell lineage. The human monoblastic cell line, U937 was differentiated to macrophages by the treatment with either phorbol 12-myristate 13-acetate (PMA), retinoic acid (RA), or vitamin D3 (VitD3). The gene expression of interferon (IFN)-inducible protein 10 (IP-10) (a CXC chemokine) was markedly augmented by the IFNgamma treatment in PMA- or RA-differentiated U937 cells, but only marginally in undifferentiated or VitD3-treated cells. In contrast, another inducible gene expression of monocyte chemotactic protein-1 (a CC chemokine) and the activation of the transcriptional factor (FcRFgamma) bound to the gamma response region were similarly or less abundantly induced by IFNgamma treatment in PMA- or RA-differentiated U937 cells, indicating that increased IP-10 mRNA induction was not due to the augmented ability of the cells to respond to the presence of IFNgamma. Increased expression of IFNgamma-induced IP-10 mRNA following the differentiation of U937 cells was mediated largely by augmented transcriptional activity of the gene and was related to differentiation-dependent changes of the proteins bound to IFN stimulus response element (ISRE) and kB sites, suggesting that these nuclear proteins may determine the IP-10 mRNA inducibility by IFNgamma.

Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Differential induction of interferon (IFN)-inducible protein 10 following differentiation of a monocyte, macrophage cell lineage is related to the changes of nuclear proteins bound to IFN stimulus response element and kappaB sites.

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Abstract

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