A Metalloproteinase Inhibitor Prevents Lethal Acute Graft-Versus-Host Disease in Mice

Author:

Hattori Koichi1,Hirano Takao1,Ushiyama Chifuyu1,Miyajima Hiroaki1,Yamakawa Norifumi1,Ebata Tomohiko1,Wada Yukihisa1,Ikeda Shoji1,Yoshino Kohichiro1,Tateno Masatoshi1,Oshimi Kazuo1,Kayagaki Nobuhiko1,Yagita Hideo1,Okumura Ko1

Affiliation:

1. From the Division of Hematology and the Division of Rheumatology, the Department of Internal Medicine, the Division of Pathobiology, and the Department of Immunology, Juntendo University School of Medicine, Tokyo, Japan; the New Drug Discovery Research Laboratory, Kanebo Ltd, Osaka, Japan; and the Department of Pathology, Sapporo City General Hospital, Sapporo, Japan.

Abstract

Tumor necrosis factor (TNF ) and Fas ligand (FasL) have been implicated in the pathogenesis of graft-versus-host disease (GVHD), which is a major complication after allogeneic bone marrow transplantation. We examined here the ameliorating effect of a metalloproteinase inhibitor (KB-R7785) that inhibits TNF-α and FasL release in a lethal acute GVHD model in mice. Administration of KB-R7785 into (BALB/c × C57BL/6) F1 that received C57BL/6 spleen cells markedly reduced the mortality and weight loss in association with minimal signs of GVHD pathology in the liver, intestine, and hematopoietic tissues. The ameliorating effect of KB-R7785 was superior to that of anti–TNF-α antibody. Our results suggest that KB-R7785 could be a potent therapeutic agent for GVHD.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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