Biological Properties of Staphylococcal Enterotoxin-Like Toxin Type R

Author:

Omoe Katsuhiko1,Imanishi Ken'ichi2,Hu Dong-Liang3,Kato Hidehito2,Takahashi-Omoe Hiromi4,Nakane Akio3,Uchiyama Takehiko2,Shinagawa Kunihiro1

Affiliation:

1. Department of Veterinary Microbiology, Faculty of Agriculture, Iwate University, Ueda 3-18-8, Morioka, Iwate 020-8550

2. Department of Microbiology and Immunology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo 162-8666

3. Department of Bacteriology, Hirosaki University School of Medicine, Hirosaki 036-8562

4. Department of Technical Support and Development, National Institute of Radiological Sciences, Anagawa 4-9-1, Inage-ku, Chiba-shi 263-8555, Japan

Abstract

ABSTRACT We investigated the biological properties of a novel staphylococcal enterotoxin-like putative toxin, staphylococcal enterotoxin-like toxin type R (SElR). Major histocompatibility complex class II molecules were required for T-cell stimulation by SElR. SElR stimulated T cells bearing receptors Vβ 3, 11, 12, 13.2, and 14. These results suggested that SElR acts as a superantigen.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

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