Expression of matrix metalloproteinases and aggrecanase in the synovial fluids of patients with symptomatic temporomandibular disorders

Kan Yoshida, Shigeyuki Takatsuka, Eriko Hatada, Hiroyuki Nakamura, Akira Tanaka, Koichiro Ueki, Kiyomasa Nakagawa, Yasunori Okada, Etsuhide Yamamoto, Ryuuzi Fukuda

研究成果: Article

30 引用 (Scopus)

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Objective: To investigate whether matrix metalloproteinases (MMPs) and/or aggrecanase in synovial fluid can be used as biochemical markers in the diagnosis of internal derangement (ID) of the temporomandibular joint (TMJ). Study design: Forty-four samples of synovial fluid were obtained from 35 patients with ID and osteoarthritis (OA) and 15 normal samples from 10 asymptomatic volunteers. MMP-2, -9, and aggrecanase in the synovial fluid were examined by immunoblotting. Results: The incidences of MMP-2, -9, and aggrecanase expression in the ID and OA group were significantly higher than those in the normal group (P < .05). Those with anterior disc displacement without reduction and severe OA showed significantly high expression of MMP-9 compared with other disease subgroups (P < .05). Conversely, comparatively high expression of MMP-2 and aggrecanase was shown in the early-stage OA group. However, there was no significant difference in expression of MMP-2 and aggrecanase among disease subgroups. Conclusions: These findings suggested that expression of aggrecanase could be a potential biochemical marker for articular cartilage degradation in ID of the TMJ.

元の言語English
ページ(範囲)22-27
ページ数6
ジャーナルOral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology
102
発行部数1
DOI
出版物ステータスPublished - 2006 7 1

ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology
  • Dentistry(all)

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