Literature DB >> 3492202

Recombinant human interleukin 1 alpha and beta stimulate mouse osteoblast-like cells (MC3T3-E1) to produce macrophage-colony stimulating activity and prostaglandin E2.

K Sato, Y Fujii, S Asano, T Ohtsuki, M Kawakami, K Kasono, T Tsushima, K Shizume.   

Abstract

The effects of interleukin 1 (IL-1) on MC3T3-E1 cells (clonal osteoblast-like cells established from mouse calvaria) were studied to elucidate the mechanism of IL-1-induced bone resorption. Recombinant human interleukin 1 alpha (rhIL-1 alpha) and beta (rhIL-1 beta) stimulated PGE2 production in MC3T3-E1 cells in a dose dependent manner. rhIL-1 alpha and 1 beta also stimulated MC3T3-E1 cells to produce macrophage-colony stimulating activity (M-CSA) in a dose-dependent manner. Indomethacin completely abolished PGE2 production but did not affect CSA. These results suggest that bone resorption induced by IL-1s is at least in part mediated by PGE2 produced by osteoblasts, and that M-CSA produced by osteoblasts may synergistically potentiate bone resorption by recruiting osteoclast precursors.

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Year:  1986        PMID： 3492202     DOI： 10.1016/s0006-291x(86)80366-7

Source DB:  PubMed          Journal:  Biochem Biophys Res Commun        ISSN： 0006-291X            Impact factor:   3.575


  15 in total

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10.  IL-1-induced murine osteoblast IL-6 production is mediated by the type 1 IL-1 receptor and is increased by 1,25 dihydroxyvitamin D3.

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