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Infection and Immunity, October 1998, p. 4971-4975, Vol. 66, No. 10
Department of Immunology, The Third Military
Medical University, Chongqing 400038, People's Republic of China
Received 30 April 1998/Returned for modification 27 May
1998/Accepted 8 July 1998
Toxic shock syndrome toxin 1 (TSST-1) is a member of the
staphylococcal enterotoxin superantigen family. So far, little is known
about T-cell epitopes on superantigens. In this study, we developed an
improved method for localizing T-cell epitopes on superantigens that
involved synthetic peptides plus costimulation by CD28 or phorbol
myristate acetate. Using this method, we localized a T-cell epitope to
a 34-residue region, TSST-1 (residues 125 to 158), which possessed only
two of four TSST-1-targeted
0019-9567/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Localization of a T-Cell Epitope of Superantigen
Toxic Shock Syndrome Toxin 1 to Residues 125 to 158
-chain variable element (V
)
specificities of T-cell receptors in humans and mice, human V
2 and
murine V
15.
*
Corresponding author. Present address: Section on
Experimental Immunology, Lab. of Immunology, NIDCD, 5 RC, 2A31,
Rockville, MD 20850-3227. Phone: (301) 402-2581. Fax: (301) 402-4200. E-mail: wghu{at}hotmail.com.
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