title: Interleukin-1 beta enhances and tumor necrosis factor-alpha inhibits bone morphogenetic protein-2-induced alkaline phosphatase activity in MC3T3-E1 osteoblastic cells.
abstract: The modulatory effects of interleukin (IL)-1 beta and tumor necrosis factor (TNF)-alpha on bone morphogenetic protein (BMP)-2- and -4-induced alkaline phosphatase (ALP) activity were examined in cultures of mouse MC3T3-E1 osteoblastic cells. Both BMP-2 and -4 significantly induced ALP in these cells. IL-1 beta alone had no effect on ALP activity, but it significantly enhanced BMP-2- and -4-induced ALP activity. TNF-alpha suppressed the induction of ALP by BMP-2 or -4. The results suggest that the action of BMP on osteogenic differentiation may be regulated by such immuno/inflammatory cytokines as IL-1 beta and TNF-alpha.
authors.affiliation: Department of Orthopaedic Surgery, Osaka University Medical School, Suita, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Nakase
authors.forename: K
authors.initials: K
authors.lastname: Takaoka
authors.forename: K
authors.initials: K
authors.lastname: Masuhara
authors.forename: K
authors.initials: K
authors.lastname: Shimizu
authors.forename: H
authors.initials: H
authors.lastname: Yoshikawa
authors.forename: T
authors.initials: T
authors.lastname: Ochi
mesh_terms: D016475:3T3 Cells / Q000166:cytology / Q000187:drug effects; D000469:Alkaline Phosphatase / Q000037:antagonists & inhibitors / Q000096:biosynthesis*; D000818:Animals; D055396:Bone Morphogenetic Protein 2; D055415:Bone Morphogenetic Protein 4; D019485:Bone Morphogenetic Proteins / Q000494:pharmacology*; D016466:CHO Cells / Q000166:cytology / Q000187:drug effects; D002454:Cell Differentiation / Q000187:drug effects; D002478:Cells, Cultured; D006224:Cricetinae; D004247:DNA / Q000096:biosynthesis / Q000235:genetics / Q000378:metabolism; D004305:Dose-Response Relationship, Drug; D004790:Enzyme Induction / Q000187:drug effects; D007375:Interleukin-1 / Q000494:pharmacology*; D015850:Interleukin-6 / Q000494:pharmacology; D051379:Mice; D010006:Osteoblasts / Q000166:cytology / Q000187:drug effects* / Q000201:enzymology; D010012:Osteogenesis / Q000187:drug effects; D014162:Transfection; D016212:Transforming Growth Factor beta / Q000494:pharmacology*; D014409:Tumor Necrosis Factor-alpha / Q000633:toxicity*
chemical_list: C525719:Bmp2 protein, mouse; C525810:Bmp4 protein, mouse; D055396:Bone Morphogenetic Protein 2; D055415:Bone Morphogenetic Protein 4; D019485:Bone Morphogenetic Proteins; D007375:Interleukin-1; D015850:Interleukin-6; D016212:Transforming Growth Factor beta; D014409:Tumor Necrosis Factor-alpha; D004247:DNA; D000469:Alkaline Phosphatase