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Journal of Virology, September 1998, p. 7598-7602, Vol. 72, No. 9
0022-538X/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Human Trophoblast Cells Are Permissive to the
Complete Replicative Cycle of Human Cytomegalovirus
G.
Halwachs-Baumann,1
M.
Wilders-Truschnig,1
G.
Desoye,2
T.
Hahn,2
L.
Kiesel,3
K.
Klingel,4
P.
Rieger,5
G.
Jahn,6 and
C.
Sinzger6,*
Department of Laboratory
Medicine1 and
Department of Obstetrics
and Gynecology,2 University of Graz, A-8036
Graz,
Department of Obstetrics and
Gynecology,3
Department of
Pathology,4 and
Department of
Medical Virology,6 University of Tübingen,
D-72076 Tübingen, and
Department of Pathology,
University of Heidelberg, D-69120
Heidelberg,5 Germany
Received 13 April 1998/Accepted 20 May 1998
Human trophoblast cells were permissively infected by human
cytomegalovirus. The kinetics of viral immediate-early, early, and late
gene expression was clearly delayed compared to that in fibroblasts.
Productive infection was unequivocally proven by the detection of
virion particles, infectious virus in trophoblast culture supernatant,
and cell-to-cell spread of cytomegalovirus from infected trophoblasts
to uninfected fibroblasts. These observations indicate that infected
trophoblasts may be involved in maternofetal transmission of human
cytomegalovirus.
*
Corresponding author. Mailing address: Abt. Med.
Virologie, Universität Tübingen, Calwerstrasse 7/6, D-72076
Tübingen, Germany. Phone: 49 7071 2987459. Fax: 49 7071 295790. E-mail: christian.sinzger{at}med.uni-tuebingen.de.
Journal of Virology, September 1998, p. 7598-7602, Vol. 72, No. 9
0022-538X/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
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