Injection of bleomycin in newborn mice induces autoimmune sialitis that is transferred by CD4 T cells

Hideaki Ishikawa, Sachiko Ito, Naomi Nishio, Yukio Yuzawa, Sei Ichi Matsuo, Ken Ichi Isobe

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Bleomycin (BLM) induces cellular apoptosis or necrosis by producing reactive oxygen species, and has been used to induce scleroderma in adult mice. We wondered whether BLM induces the same pathological phenotype in newborn mice as in adult mice. BLM was subcutaneously administrated to newborn BALB/c mice. At 1 month of age, BLM-treated mice showed severe destruction of salivary glands with enlargement of nearby lymph nodes. These nodes contained CD4+ T cells and B220+cells with high expression of MHC class II molecules. In addition, autoantibodies were detected by HEp-2 staining and western blotting. The cell transfer experiments were performed to evaluate the role of autoimmune phenomena in these pathological changes. Following the transfer of enriched CD4+ T cells to 1-month-old BALB/c nude mice, the salivary glands were severely damaged with CD4+ T cell and B220+ cells infiltrations. The number of T-cell antigen receptor VΒ 8.3 + CD4+ T cells was significantly increased in BLM-treated murine spleen. These findings will provide new insights into the causal factors of environment in autoimmunity and the relationship between autoreactive CD4+ T cells and autoantibodies.

Original languageEnglish
Pages (from-to)351-358
Number of pages8
JournalImmunology and Cell Biology
Volume87
Issue number4
DOIs
Publication statusPublished - 01-05-2009
Externally publishedYes

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Sialadenitis
Bleomycin
T-Lymphocytes
Injections
Salivary Glands
Autoantibodies
T-Cell Antigen Receptor
Autoimmunity
Nude Mice
Reactive Oxygen Species
Necrosis
Spleen
Lymph Nodes
Western Blotting
indium-bleomycin
Apoptosis
Staining and Labeling
Phenotype

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology
  • Cell Biology

Cite this

Ishikawa, Hideaki ; Ito, Sachiko ; Nishio, Naomi ; Yuzawa, Yukio ; Matsuo, Sei Ichi ; Isobe, Ken Ichi. / Injection of bleomycin in newborn mice induces autoimmune sialitis that is transferred by CD4 T cells. In: Immunology and Cell Biology. 2009 ; Vol. 87, No. 4. pp. 351-358.
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Injection of bleomycin in newborn mice induces autoimmune sialitis that is transferred by CD4 T cells. / Ishikawa, Hideaki; Ito, Sachiko; Nishio, Naomi; Yuzawa, Yukio; Matsuo, Sei Ichi; Isobe, Ken Ichi.

In: Immunology and Cell Biology, Vol. 87, No. 4, 01.05.2009, p. 351-358.

Research output: Contribution to journalArticle

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