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Journal of Virology, January 2007, p. 423-426, Vol. 81, No. 1
0022-538X/07/$08.00+0 doi:10.1128/JVI.01455-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Chin-Fun Chu,2
Alison J. Johnson,3 and
Gregg N. Milligan2,3,4*
Department of Pathology,1 Department of Pediatrics,2 Department of Microbiology and Immunology,3 Sealy Center for Vaccine Development, University of Texas Medical Branch, Galveston, Texas 775554
Received 10 July 2006/ Accepted 13 October 2006
Early clearance of a thymidine kinase-deficient strain of herpes simplex virus type 2 from the female genital tract required T-cell-produced gamma interferon (IFN-
). Transfer of activated CD8+ T cells to irradiated C57BL/6 mice resulted in rapid virus clearance, but clearance was greatly delayed in recipients deficient in the IFN-
receptor (IFN-
R). Early virus clearance was demonstrated in radiation chimeras in which IFN-
R expression was limited to parenchymal cells, but resolution was significantly delayed in chimeras deficient in IFN-
R expression and chimeras expressing IFN-
R only on hematopoietic cells. Together, these results suggest that early IFN-
-mediated protection was manifested mainly by stimulation of genital parenchymal cells.
Published ahead of print on 25 October 2006.
Present address: Dept. of Microbiology and Immunology, Northwestern University, Chicago, IL 60611.
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