Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/67265
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dc.contributor.authorCantley, M.en
dc.contributor.authorFairlie, D.en
dc.contributor.authorBartold, P.en
dc.contributor.authorRainsford, K.en
dc.contributor.authorLe, G.en
dc.contributor.authorLucke, A.en
dc.contributor.authorHolding, C.en
dc.contributor.authorHaynes, D.en
dc.date.issued2011en
dc.identifier.citationJournal of Cellular Physiology, 2011; 226(12):3233-3241en
dc.identifier.issn0021-9541en
dc.identifier.issn1097-4652en
dc.identifier.urihttp://hdl.handle.net/2440/67265-
dc.description.abstractHistone deacetylase inhibitors (HDACi) suppress cancer cell growth, inflammation, and bone resorption. The aim of this study was to determine the effect of inhibitors of different HDAC classes on human osteoclast activity in vitro. Human osteoclasts generated from blood mononuclear cells stimulated with receptor activator of nuclear factor kappa B (RANK) ligand were treated with a novel compound targeting classes I and II HDACs (1179.4b), MS-275 (targets class I HDACs), 2664.12 (targets class II HDACs), or suberoylanilide hydroxamic acid (SAHA; targets classes I and II HDACs). Osteoclast differentiation was assessed by expression of tartrate resistant acid phosphatase and resorption of dentine. Expression of mRNA encoding for osteoclast genes including RANK, calcitonin receptor (CTR), c-Fos, tumur necrosis factor (TNF) receptor associated factor (TRAF)6, nuclear factor of activated T cells (NFATc1), interferon-β, TNF-like weak inducer of apoptosis (TWEAK), and osteoclast-associated receptor (OSCAR) were assessed. Expression of HDACs 1–10 during osteoclast development was also assessed. 1179.4b significantly reduced osteoclast activity (IC50 < 0.16 nM). MS-275 (IC50 54.4 nM) and 2664.12 (IC50  > 100 nM) were markedly less effective. A combination of MS-275 and 2664.12 inhibited osteoclast activity similar to 1179.4b (IC50 0.35 nM). SAHA was shown to suppress osteoclast activity (IC50 12 nM). 1179.4b significantly (P  < 0.05) reduced NFATc1, CTR, and OSCAR expression during the later stages of osteoclast development. Class I HDAC 8 and Class II HDAC5 were both elevated (P < 0.05) during osteoclast development. Results suggest that inhibition of both classes I and II HDACs may be required to suppress human osteoclastic bone resorption in vitro.en
dc.description.statementofresponsibilityM. D. Cantley, D. P. Fairlie, P. M. Bartold, K. D. Rainsford, G. T. Le, A. J. Lucke, C. A. Holding and D. R. Haynesen
dc.language.isoenen
dc.publisherWiley-Lissen
dc.rightsCopyright © 2011 Wiley Periodicals, Inc.en
dc.subjectCells, Cultured; Osteoclasts; Dentin; Humans; Bone Resorption; Benzamides; Hydroxamic Acids; Pyridines; Histone Deacetylases; Acid Phosphatase; Isoenzymes; Tumor Necrosis Factors; TNF Receptor-Associated Factor 6; Proto-Oncogene Proteins c-fos; Interferon-beta; Receptors, Cell Surface; Receptors, Calcitonin; RNA, Messenger; Cell Differentiation; Gene Expression Regulation; Dose-Response Relationship, Drug; Time Factors; NFATC Transcription Factors; RANK Ligand; Receptor Activator of Nuclear Factor-kappa B; Histone Deacetylase Inhibitors; Tartrate-Resistant Acid Phosphataseen
dc.titleInhibitors of histone deacetylases in class I and class II suppress human osteoclasts in vitroen
dc.typeJournal articleen
dc.identifier.rmid0020113541en
dc.identifier.doi10.1002/jcp.22684en
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/453568en
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/569735en
dc.identifier.pubid27358-
pubs.library.collectionMedical Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidCantley, M. [0000-0002-7188-0928]en
dc.identifier.orcidBartold, P. [0000-0002-5695-3877]en
Appears in Collections:Medical Sciences publications

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