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Induction of Murine Intestinal Inflammation by Adoptive Transfer of Effector CD4+CD45RBhigh T Cells into Immunodeficient Mice
Published on: April 21, 2015
CD30 ligand/CD30 interaction is involved in pathogenesis of inflammatory bowel disease
Shinichi Somada1, Hiromi Muta, Kazuhiko Nakamura
1Department of Advanced Molecular and Cell Therapy, Kyushu University Hospital, Fukuoka, Japan. ssomada@yahoo.co.jp
Background And Aims:
Although CD30 has long been recognized as an important marker in many lymphomas of diverse origin, and as an activation molecule on B and T cells, its primary function has remained obscure. Soluble CD30 (sCD30) is released from CD30 on the cell membrane by enzymatic cleavage. This study investigated the role of CD30 ligand (CD30L)/CD30 signals in intestinal mucosal damage.
Methods:
Serum sCD30 in patients with ulcerative colitis (UC) and Crohn's disease (CD) and healthy individuals was assessed. A model of enteritis induced by anti-CD3 monoclonal antibody injection was studied in wild-type mice and in CD30L knockout mice.
Results:
Increased sCD30 was observed in UC and CD patients, and the level was correlated with disease activity in both conditions. In a murine model of enteritis, histological intestinal damage was significantly reduced in CD30L knockout mice with decreased Th1 and Th17 cytokine levels. Moreover, blocking of CD30L/CD30 signals by CD30-immunoglobulin (CD30-Ig) resulted in reduced inflammation.
Conclusions:
Increased sCD30 expression correlating with disease activity suggested that CD30L/CD30 signals play an important role in pathogenesis of UC and CD. CD30L/CD30 pathway acts as an accelerator of enteritis in a murine disease model. Successful blockade of enteritis by CD30-Ig suggests a potential tool for future therapy of inflammatory bowel diseases.
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