Deficiency in EBV-induced gene 3 (EBI3) in MRL/lpr mice results in pathological alteration of autoimmune glomerulonephritis and sialadenitis

Takashi Igawa, Hitoshi Nakashima, Atsushi Sadanaga, Kohsuke Masutani, Katsuhisa Miyake, Sakiko Shimizu, Atsunobu Takeda, Shinjiro Hamano, Hiroki Yoshida

研究成果: Contribution to journalArticle査読

34 被引用数 (Scopus)

抄録

MRL/lpr mice develop a systemic autoimmune disease that is reminiscent of systemic lupus erythematosus (SLE) and Sjögren's syndrome in humans. To investigate the role of IL-27 in the development of autoimmune disorders in MRL/lpr mice, we disrupted the EBV-induced gene 3 (EBI3), which is a subunit of IL-27. Consequently, the pathophysiology of glomerulonephritis and sialadenitis, which develops in MRL/lpr mice, was drastically changed. EBI3-/- MRL/lpr mice developed disease that resembles human membranous glomerulonephritis (MGN), not diffuse proliferative glomerulonephritis (DPGN), with a predominance of IgG1 in glomerular deposits, and different type sialadenitis from Sjögren's syndrome, with IgG1 producing plasma cell infiltration in salivary glands, accompanied by increased IgG1 and IgE in the sera. T cells in these mice displayed significantly reduced IFN-γ production along with elevated IL-4 expression. Loss of EBI3 thus favors Th2-type autoimmune responses, suggesting that the Th1/Th2 balance may be a pivotal determinant of phenotypes of human autoimmune diseases.

本文言語英語
ページ(範囲)33-41
ページ数9
ジャーナルModern Rheumatology
19
1
DOI
出版ステータス出版済み - 2009

All Science Journal Classification (ASJC) codes

  • リウマチ学

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