Exacerbation of Established Collagen‐Induced Arthritis in Mice Treated with An Anti—T Cell Receptor Antibody

Takeshi Maeda, Isao Saikawa, Takao Hotokebuchi, Yoichi Sugioka, Masatoshi Eto, Yoshiyuki Murakami, Kikuo Nomoto

Research output: Contribution to journalArticle

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Abstract

Objective. To investigate the effect of T cell depletion on established collagen‐induced arthritis (CIA) in mice, using monoclonal antibodies (MAb) to T cell receptor α/β (TCRα/β). In addition, experiments using anti‐CD3 MAb were performed for comparison. Methods. CIA was induced in male DBA/1 mice by immunizing them twice with bovine type II collagen (CII). The arthritis score and anti‐CII antibody titers were examined serially. Proportions of T cells were determined by fluorescence‐activated cell sorter (FACS) analysis on spleen cells or peripheral blood cells. Results. When anti‐TCRα/β MAb was injected on the day of CII priming, no arthritis was detected in association with depressed anti‐CII antibody titers. Unexpectedly, however, when MAb was given after arthritis was established, a rapid exacerbation of arthritis was observed, which resulted in ankylosis of most joints. Anti‐CII antibody titers were not affected. The addition of anti‐TCRγ/δ MAb had no effect on the augmented arthritis. T cell depletion by anti‐CD3 MAb during established CIA also caused an enhancement of arthritis, which was, however, weak and only transient. FACS analysis revealed that the early improvement of arthritis after the transient augmentation seen in the mice treated with anti‐CD3 MAb paralleled the early recovery of α/β T cells in the periphery. Conclusion. The present results support the concept that α/β T cells, in general, may play a regulatory role in the clinical course of murine CIA after disease onset. Therefore, caution is recommended when using intensive T cell—targeted therapy in patients with rheumatoid arthritis.

Original languageEnglish
Pages (from-to)406-413
Number of pages8
JournalArthritis & Rheumatism
Volume37
Issue number3
DOIs
Publication statusPublished - Jan 1 1994

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Arthritis
Antibodies
Monoclonal Antibodies
T-Lymphocytes
Ankylosis
Inbred DBA Mouse
Collagen Type II
T-Cell Antigen Receptor
Blood Cells
Rheumatoid Arthritis
Spleen
Joints

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Rheumatology
  • Immunology
  • Pharmacology (medical)

Cite this

Exacerbation of Established Collagen‐Induced Arthritis in Mice Treated with An Anti—T Cell Receptor Antibody. / Maeda, Takeshi; Saikawa, Isao; Hotokebuchi, Takao; Sugioka, Yoichi; Eto, Masatoshi; Murakami, Yoshiyuki; Nomoto, Kikuo.

In: Arthritis & Rheumatism, Vol. 37, No. 3, 01.01.1994, p. 406-413.

Research output: Contribution to journalArticle

Maeda, Takeshi ; Saikawa, Isao ; Hotokebuchi, Takao ; Sugioka, Yoichi ; Eto, Masatoshi ; Murakami, Yoshiyuki ; Nomoto, Kikuo. / Exacerbation of Established Collagen‐Induced Arthritis in Mice Treated with An Anti—T Cell Receptor Antibody. In: Arthritis & Rheumatism. 1994 ; Vol. 37, No. 3. pp. 406-413.
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