Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/6777
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dc.contributor.authorNeale, S.en
dc.contributor.authorFujikawa, Y.en
dc.contributor.authorSabokbar, A.en
dc.contributor.authorGundle, R.en
dc.contributor.authorMurray, D.en
dc.contributor.authorGraves, S.en
dc.contributor.authorHowie, D.en
dc.contributor.authorAthanasou, N.en
dc.date.issued2000en
dc.identifier.citationJournal of Bone and Joint Surgery-British Volume, 2000; 82-B(6):892-900en
dc.identifier.issn0301-620Xen
dc.identifier.issn2044-5377en
dc.identifier.urihttp://hdl.handle.net/2440/6777-
dc.description.abstractMononuclear osteoclast precursors are present in the wear-particle-associated macrophage infiltrate found in the membrane surrounding loose implants. These cells are capable of differentiating into osteoclastic bone-resorbing cells when co-cultured with the rat osteoblast-like cell line, UMR 106, in the presence of 1,25(OH)2 vitamin D3. In order to develop an in vitro model of osteoclast differentiation which more closely parallels the cellular microenvironment at the bone-implant interface in situ, we determined whether osteoblast-like human bone-derived cells were capable of supporting the differentiation of osteoclasts from arthroplasty-derived cells and analysed the humoral conditions required for this to occur. Long-term co-culture of arthroplasty-derived cells and human trabecular-bone-derived cells (HBDCs) resulted in the formation of numerous tartrate-resistant-acid-phosphatase (TRAP) and vitronectin-receptor (VNR)-positive multinucleated cells capable of extensive resorption of lacunar bone. The addition of 1,25(OH)2 vitamin D3 was not required for the formation of osteoclasts and bone resorption. During the formation there was release of substantial levels of M-CSF and PGE2. Exogenous PGE2 (10−8 to 10−6M) was found to stimulate strongly the resorption of osteoclastic bone. Our study has shown that HBDCs are capable of supporting the formation of osteoclasts from mononuclear phagocyte precursors present in the periprosthetic tissues surrounding a loose implant. The release of M-CSF and PGE2 by activated cells at the bone-implant interface may be important for the formation of osteoclasts at sites of pathological bone resorption associated with aseptic loosening.en
dc.description.statementofresponsibilityS. D. Neale, Y. Fujikawa, A. Sabokbar, R. Gundle, D. W. Murray, S. E. Graves, D. W. Howie, N. A. Athanasouen
dc.language.isoenen
dc.publisherBritish Editorial Society of Bone and Joint Surgeryen
dc.rights© 2000 British Editorial Society of Bone and Joint Surgeryen
dc.source.urihttp://www.bjj.boneandjoint.org.uk/content/82-B/6/892en
dc.subjectCell Line; Macrophages; Osteoclasts; Osteoblasts; Animals; Humans; Rats; Bone Resorption; Prosthesis Failure; Acid Phosphatase; Isoenzymes; Dinoprostone; Macrophage Colony-Stimulating Factor; Receptors, Vitronectin; Arthroplasty, Replacement; Coculture Techniques; Cell Differentiation; Adult; Aged; Aged, 80 and over; Middle Aged; Female; Male; Tartrate-Resistant Acid Phosphataseen
dc.titleHuman bone-derived cells support formation of human osteoclasts from arthroplasty-derived cells in vitroen
dc.typeJournal articleen
dc.identifier.rmid0001000699en
dc.identifier.doi10.1302/0301-620X.82B6.10175en
dc.identifier.pubid63618-
pubs.library.collectionOrthopaedics and Trauma publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidHowie, D. [0000-0003-1702-3279]en
Appears in Collections:Orthopaedics and Trauma publications

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