Neutralization of Interleukin-10 Significantly Enhances Gamma Interferon Expression in Peripheral Blood by Stimulation with Johnin Purified Protein Derivative and by Infection with Mycobacterium avium subsp. paratuberculosis in Experimentally Infected Cattle with Paratuberculosis

Author:

Buza Joram J.1,Hikono Hirokazu1,Mori Yasuyuki2,Nagata Reiko2,Hirayama Sachiyo1,Bari Abusaleh M.1,Shu Yujing1,Tsuji Noriko M.3,Momotani Eiichi1

Affiliation:

1. Paratuberculosis and Inflammatory Bowel Disease Research Team

2. Immune System Section, National Institute of Animal Health

3. Molecular Immunology Laboratory, National Institute of Agrobiological Sciences, 3-1-5 Kan-nondai, Tsukuba 305-0856, Japan

Abstract

ABSTRACT Monoclonal antibody neutralization of interleukin-10 (IL-10) increased Johnin purified protein derivative-induced whole-blood gamma interferon (IFN-γ) secretion 23-fold and also increased IFN-γ secretion ninefold following in vitro Mycobacterium avium subsp. paratuberculosis infection of peripheral blood mononuclear cells. These results demonstrate the suppressive effect of IL-10 on immune responses to M. avium subsp. paratuberculosis infection in cattle.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

Reference14 articles.

1. Billman-Jacobe, H., M. Carrigan, and F. Cochram. 1992. A comparison of the interferon gamma assay with absorbed ELISA for the diagnosis of Johne's disease in cattle. Aust. Vet. J.69:25-28.

2. Mycobacterium avium subsp . paratuberculosis Infection Causes Suppression of RANTES, Monocyte Chemoattractant Protein 1, and Tumor Necrosis Factor Alpha Expression in Peripheral Blood of Experimentally Infected Cattle

3. Chiodini, R. J., H. J. Van Kruningen, and R. S. Merkal. 1984. Ruminant paratuberculosis (Johne's disease): the current status and future prospects. Cornell Vet.74:218-262.

4. Clarke, C. J. 1997. The pathology and pathogenesis of paratuberculosis in ruminants and other species. J. Comp. Pathol.116:217-261.

5. Fiorentino, D. F., A. Zlotnik, P. Vieira, T. R. Mosmann, M. Howard, K. W. Moore, and A. O'Garra. 1991. IL-10 acts on the antigen presenting cell to inhibit cytokine production by Th1 cells. J. Immunol.146:3444-3451.

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