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Infect Immun, August 1998, p. 3968-3970, Vol. 66, No. 8
0019-9567/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Effective and Long-Lasting Immunity against the
Parasite Leishmania major in CD8-Deficient Mice
Magdalena
Huber,1
Emma
Timms,2
Tak W.
Mak,2
Martin
Röllinghoff,1 and
Michael
Lohoff1 *
Institut für Klinische Mikrobiologie und Immunologie,
Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany,1 and
Ontario Cancer
Institute, Amgen Research Institute, and the Departments of
Immunology and Medical Biophysics, University of Toronto, Toronto,
Ontario M5G 2M9, Canada2
Received 21 January 1998/Returned for modification 2 March
1998/Accepted 6 May 1998
The results of earlier investigations that tested whether
CD8+ T cells are required in the defense against
Leishmania major have been inconsistent. We used
CD8-deficient mice to directly address this issue. After primary
infection with L. major, CD8-deficient mice controlled the
infection for over 1 year and mounted strong T helper 1 cell responses.
Thus, CD8+ T cells are not required for the long-term
control of a primary infection with L. major.
*
Corresponding author. Mailing address: Institut
für Klinische Mikrobiologie und Immunologie,
Friedrich-Alexander-Universität Erlangen-Nürnberg,
Wasserturmstr. 3, 91054 Erlangen, Germany. Phone: 49/9131/85 2552. Fax:
49/9131/85 2573. E-mail:
Michael.Lohoff{at}mikrobio.med.uni-erlangen.de.
Infect Immun, August 1998, p. 3968-3970, Vol. 66, No. 8
0019-9567/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
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