Comparative histopathological analysis between tenosynovitis and joint synovitis in rheumatoid arthritis

N. Kaibara, H. Yamada, T. Shuto, Y. Nakashima, K. Okazaki, H. Miyahara, Y. Esaki, G. Hirata, Y. Iwamoto

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Aims: To clarify the histological and biological features of tenosynovitis accompanying rheumatoid arthritis (RA). Methods and results: Synovial tissue was obtained from the wrist joint and extensor tendon of the digits of six RA patients and the sections were examined by haematoxylin and eosin staining and immunohistochemical analysis. RA tenosynovitis exhibited the typical histological features of RA joint synovitis, including hyperplasia of the synovial lining and infiltration of leucocytes, largely CD4+ T cells and CD68+ macrophages. Notably, there was a significant correlation in the number of CD4+ T cells and CD68+ macrophages between the tenosynovium and joint synovium in each individual. Real-time reverse transcriptase-polymerase chain reaction analysis revealed similar mRNA expression patterns of various inflammatory mediators in tenosynovitis and joint synovitis. It was also observed that synovial fibroblasts isolated from the tenosynovium behaved in a manner similar to those isolated from the joint synovium with regard to proliferation and the production of inflammatory mediators. Conclusions: The histopathological features of RA tenosynovitis were indistinguishable from those of joint synovitis. Therefore, it is suggested that the ongoing inflammation is driven by similar mechanisms in the tenosynovium and joint synovium and that RA is probably a tissue-specific disease which targets systemic synovial tissues.

Original languageEnglish
Pages (from-to)856-864
Number of pages9
JournalHistopathology
Volume52
Issue number7
DOIs
Publication statusPublished - Jun 1 2008

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Tenosynovitis
Synovitis
Rheumatoid Arthritis
Joints
Synovial Membrane
Macrophages
Wrist Joint
T-Lymphocytes
Hematoxylin
Eosine Yellowish-(YS)
Reverse Transcriptase Polymerase Chain Reaction
Tendons
Hyperplasia
Real-Time Polymerase Chain Reaction
Leukocytes
Fibroblasts
Staining and Labeling
Inflammation
Messenger RNA

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine
  • Histology

Cite this

Comparative histopathological analysis between tenosynovitis and joint synovitis in rheumatoid arthritis. / Kaibara, N.; Yamada, H.; Shuto, T.; Nakashima, Y.; Okazaki, K.; Miyahara, H.; Esaki, Y.; Hirata, G.; Iwamoto, Y.

In: Histopathology, Vol. 52, No. 7, 01.06.2008, p. 856-864.

Research output: Contribution to journalArticle

Kaibara, N. ; Yamada, H. ; Shuto, T. ; Nakashima, Y. ; Okazaki, K. ; Miyahara, H. ; Esaki, Y. ; Hirata, G. ; Iwamoto, Y. / Comparative histopathological analysis between tenosynovitis and joint synovitis in rheumatoid arthritis. In: Histopathology. 2008 ; Vol. 52, No. 7. pp. 856-864.
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