RRC ID 69888
Author Jackson SM, Demer LL.
Title Peroxisome proliferator-activated receptor activators modulate the osteoblastic maturation of MC3T3-E1 preosteoblasts.
Journal FEBS Lett
Abstract The reduced bone mineral density (BMD) observed in osteoporosis results, in part, from reduced activity of bone-forming osteoblasts. We examined the effect of peroxisome proliferator-activated receptor (PPAR) activators on MC3T3-E1 preosteoblast maturation. Activators of PPARalpha, delta and gamma induced alkaline phosphatase activity, matrix calcification and the expression of osteoblast genes as determined by reverse transcriptase-polymerase chain reaction. However, at relatively high concentrations of the specific PPARgamma ligands, ciglitazone and troglitazone, maturation was inhibited. PPARalpha, delta and gamma1 were expressed in MC3T3-E1 cells. PPARgamma1 mRNA and protein levels were induced early during osteoblastic maturation. We speculate that endogenous and pharmacological PPAR activators may affect BMD by modulating osteoblastic maturation.
Volume 471(1)
Pages 119-24
Published 2000-4-7
DOI 10.1016/s0014-5793(00)01372-7
PII S0014-5793(00)01372-7
PMID 10760525
MeSH Animals Bone Density / drug effects Cell Differentiation / drug effects Cells, Cultured Humans Mice Osteoblasts / cytology Osteoblasts / drug effects Osteoblasts / metabolism* Protein Isoforms / genetics Protein Isoforms / metabolism RNA, Messenger / metabolism Receptors, Cytoplasmic and Nuclear / genetics Receptors, Cytoplasmic and Nuclear / metabolism* Thiazoles / pharmacology Thiazolidinediones* Transcription Factors / genetics Transcription Factors / metabolism* Transfection
IF 3.057
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The most frequently cited source Patent(IFI CLAIMS)
Total number of mentions 10
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Human and Animal Cells MC3T3-E1(RCB1126)