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Biochem Biophys Res Commun. 1998 Jul 30;248(3):450-3.

Induction of bone morphogenetic protein-2 by interleukin-1 in human fibroblasts.

Author information

1
Department of Biochemistry and Molecular Biology, Philadelphia College of Osteopathic Medicine, Pennsylvania 19131, USA.

Abstract

Rheumatoid arthritis and periodontitis are chronic inflammatory diseases associated with tissue destruction that is mediated in part by elevated levels of cytokines (e.g., interleukin-1 and tumor necrosis factor). Differential screening of a human synovial fibroblast cDNA library for interleukin-1 induced genes revealed a clone identical to the gene encoding human bone morphogenetic protein-2. Northern blot analysis of human synovial fibroblast mRNA confirmed up-regulation of bone morphogenetic protein-2 in the presence of interleukin-1. Utilizing a specific antibody, levels of bone morphogenetic protein-2 protein in conditioned medium from synovial fibroblasts were also up-regulated in the presence of interleukin-1. This is the first report of the production of bone morphogenetic protein-2 by synovial fibroblasts, and the first report of its up-regulation in response to interleukin-1. However, interleukin-1 did not induce bone morphogenetic protein-2 mRNA in human gingival fibroblasts.

PMID:
9703944
DOI:
10.1006/bbrc.1998.8988
[Indexed for MEDLINE]

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