title: 1,25(OH)2-D3 is a potent regulator of interleukin-1 induced interleukin-8 expression and production.
abstract: Interleukin 8 (IL-8) is a potent leukocyte chemotactic and activating cytokine produced by keratinocytes, fibroblasts, peripheral blood monocytes (PBMC) and endothelial cells. IL-8 is believed to play an important role in the development of inflammation and is thus an obvious target for therapeutical modulation. We studied the possible effect of an endogenous immune modulator 1,25(OH)2-cholecalciferol (1,25(OH)2-D3) on the IL-1-induced IL-8-production by several types of cells. 1,25(OH)2-D3 inhibited the IL-1-alpha induced IL-8 production and mRNA expression in keratinocytes, fibroblasts and PBMC, but not in endothelial cells. Optimal vitamin concentrations varied between 10(-10) and 10(-11) M. These results suggest a potential role of this hormone in the regulation of chemotactic cytokine production.
authors.affiliation: Department of Dermatology, Marselisborg University Hospital, Aarhus, Denmark.
authors.forename: C G
authors.initials: CG
authors.lastname: Larsen
authors.forename: M
authors.initials: M
authors.lastname: Kristensen
authors.forename: K
authors.initials: K
authors.lastname: Paludan
authors.forename: B
authors.initials: B
authors.lastname: Deleuran
authors.forename: M K
authors.initials: MK
authors.lastname: Thomsen
authors.forename: C
authors.initials: C
authors.lastname: Zachariae
authors.forename: K
authors.initials: K
authors.lastname: Kragballe
authors.forename: K
authors.initials: K
authors.lastname: Matsushima
authors.forename: K
authors.initials: K
authors.lastname: Thestrup-Pedersen
mesh_terms: D002117:Calcitriol / Q000494:pharmacology*; D002478:Cells, Cultured; D005347:Fibroblasts / Q000187:drug effects / Q000378:metabolism; D006801:Humans; D007375:Interleukin-1 / Q000494:pharmacology*; D016209:Interleukin-8 / Q000096:biosynthesis / Q000235:genetics*; D015603:Keratinocytes / Q000187:drug effects / Q000378:metabolism*; D007700:Kinetics; D007963:Leukocytes, Mononuclear / Q000187:drug effects / Q000378:metabolism; D012333:RNA, Messenger / Q000187:drug effects / Q000235:genetics*; D011994:Recombinant Proteins / Q000494:pharmacology
chemical_list: D007375:Interleukin-1; D016209:Interleukin-8; D012333:RNA, Messenger; D011994:Recombinant Proteins; D002117:Calcitriol