Publication:
Expression of ADAMTS-5 in deformed human temporomandibular joint discs

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dc.contributor.authorMatsumoto, Takashies
dc.contributor.authorTojyo, Itarues
dc.contributor.authorKiga, Norifumi
dc.contributor.authorHiraishi, Yukihiro
dc.contributor.authorFujita, Shigeyuki
dc.date.accessioned2013-01-22T10:26:54Z
dc.date.available2013-01-22T10:26:54Z
dc.date.issued2008
dc.description.abstractObjective: To study the expression of a disintegrin and metalloproteinase with thrombospondin motifs 5 (ADAMTS-5) in tissue samples of deformed human temporomandibular joint (TMJ) discs and cells obtained from the discs. Materials and methods: Eleven adult human TMJ discs (nine diseased discs and two normal discs) were used in this study. The nine diseased discs were obtained from nine patients with internal derangement (ID) and osteoarthritis (OA) in the TMJ. These patients all had anteriorly displaced discs and deformed mandibular condyles, making conservative therapy impossible. The tissues were immunohistochemically stained using ADAMTS-5 antibodies. In addition, an articular disc cell line from one case was established by collagenase treatment. The subcultured cells under both normal and hypoxic conditions (O2: 2%) were incubated for 3, 6, 12 and 24 h after addition of interleukin-1ß (IL-1ß) (1 ng/mL). Subsequently, the expression of ADAMTS-5 was examined using reverse transcription-polymerase chain reaction (RT-PCR). Results: The control group showed negative reactions on immunohistochemical staining. The discs extracted from cases with ID and OA presented positive reactions for ADAMTS-5. The expression of ADAMTS-5 mRNA increased under both normoxia and hypoxia with the addition of IL-1ß, and the peak was observed after 3 h. Conclusion: These results suggest that ADAMTS-5 is related to deformation and destruction of human TMJ discs affected by ID and OA.es
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dc.format.extent9es
dc.identifier.issn0213-3911es
dc.identifier.urihttp://hdl.handle.net/10201/29863
dc.languageenges
dc.publisherMurcia : F. Hernándezes
dc.relation.ispartofHistology and histopathologyes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectHumanes
dc.subjectHypoxiaes
dc.subject.other616.3 - Patología del aparato digestivo. Odontologíaes
dc.titleExpression of ADAMTS-5 in deformed human temporomandibular joint discses
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol.23,nº12 (2008)