Pathogenesis of of cytomegalovirus infection. I. Activation of virus from bone marrow-derived lymphocytes by in vitro allogenic reaction.
Open Access
- 1 March 1975
- journal article
- Published by Rockefeller University Press in The Journal of Experimental Medicine
- Vol. 141 (3), 561-572
- https://doi.org/10.1084/jem.141.3.561
Abstract
After infection in utero or at birth with a cell culture adapted strain of mouse cytomegalovirus (MCMV), several mouse strains developed a latent virus infection in the presence of specific antiviral antibodies. Up to 5 mo after infection, MCMV could be activated and recovered from spleen lymphocytes of the infected animals that were co-cultivated with histoincompatible (H-2 foreign) mouse embryo cells from uninfected animals. In contrast, co-cultivation of lymphoid cells from infected mice with mouse embryo cells from syngeneic, histocompatible (H-2 similar) donors did not activate MCMV. Similarly, MCMV was not recovered from sonicated lymphoid cells. Virus was activated by treating viable lymphoid cells with lipopolysaccharide, a B-cell mitogen, but was not activated by a variety of other mitogens such as phytohemagglutinin, concanavalin A, or pokeweed mitogen. Subsequent purification of lymphoid cells from the infected mice by a variety of techniques indicated that MCMV was harbored in the B-lymphocyte population.Keywords
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