RRC ID 61938
著者 Yamamoto A, Miyazaki T, Kadono Y, Takayanagi H, Miura T, Nishina H, Katada T, Wakabayashi K, Oda H, Nakamura K, Tanaka S.
タイトル Possible involvement of IkappaB kinase 2 and MKK7 in osteoclastogenesis induced by receptor activator of nuclear factor kappaB ligand.
ジャーナル J Bone Miner Res
Abstract Recent studies have revealed the essential role of the receptor activator of nuclear factor kappaB (NF-kappaB) ligand (RANKL) in osteoclast differentiation and activation. Adenovirus vector could efficiently transduce genes into RAW264.7 cells, which differentiate into osteoclast-like multinucleated cells in the presence of RANKL. The role of NF-kappaB and c-jun N-terminal kinase (JNK) activation in RANKL-induced osteoclast differentiation was investigated using an adenovirus vector carrying the dominant negative 1kappaB kinase 2 gene (AxIKK2DN) or dominant negative MKK7 gene (AxMKK7DN). IKK2DN and MKK7DN overexpression in RAW cells specifically suppressed the NF-kappaB activation and JNK activation in response to RANKL, respectively, without affecting other signaling pathways. Either inhibition of NF-kappaB or JNK pathways dose-dependently inhibited osteoclast formation induced by RANKL. These results suggest that both NF-kappaB and JNK activation are independently required for osteoclast differentiation.
巻・号 17(4)
ページ 612-21
公開日 2002-4-1
DOI 10.1359/jbmr.2002.17.4.612
PMID 11918218
MeSH Adenoviridae / genetics Animals Carrier Proteins / metabolism* Cell Differentiation / genetics Cells, Cultured Enzyme Activation Genes, Dominant I-kappa B Kinase JNK Mitogen-Activated Protein Kinases MAP Kinase Kinase 7 Male Membrane Glycoproteins / metabolism* Mice Mice, Inbred Strains Mitogen-Activated Protein Kinase Kinases / genetics Mitogen-Activated Protein Kinase Kinases / metabolism* Mitogen-Activated Protein Kinases / metabolism Osteoclasts / physiology* Protein Serine-Threonine Kinases / genetics Protein Serine-Threonine Kinases / metabolism* RANK Ligand Receptor Activator of Nuclear Factor-kappa B Stem Cells / physiology
IF 5.854
リソース情報
ヒト・動物細胞 RAW 264(RCB0535)