Induction of monocyte procoagulant activity by murine hepatitis virus type 3 parallels disease susceptibility in mice.
Open Access
- 1 October 1981
- journal article
- research article
- Published by Rockefeller University Press in The Journal of Experimental Medicine
- Vol. 154 (4), 1150-1163
- https://doi.org/10.1084/jem.154.4.1150
Abstract
The in vitro induction of procoagulant activity (PCA) in murine peripheral blood mononuclear cells (PBM) by murine hepatitis virus type 3 (MHV-3) correlates with the disease susceptibility in 3 strains of mice. PBM from BALB/c mice, a strain in which MHV-3 infection results in fatal acute fulminant hepatitis, responds to the virus with a robust PCA response; PBM from C3H/St mice, a strain which develops mild acute hepatitis followed by chronic hepatitis, exhibit only a modest PCA response. PBM from A/J mice, a strain fully resistant to MHV-3, generate no increase in PCA above control levels. The induction phase of MHV-3 PCA is rapid, with an increase within 1-1.5 h, with maximum activity at 18 h and it precedes MHV-3 replication either 17 CL1 cells, a fully permissive cell line, or in monocytes from these strains of mice. The PCA response of BALB/c PBM exceeds the response to any other known stimulus. No induction occurs upon direct stimulation of monocytes by MHV-3, but in the presence of lymphocyte collaboration, the PCA response is observed first at a lymphocyte:monocyte ratio of 2:1 and reaches a maximum as the lymphocyte:monocyte ratio approaches 4:1. This response appears to provide a functional marker for susceptibility to MHV-3 infection in inbred strains of mice and could be important in the pathogenesis of MHV-3 induced-disease.This publication has 36 references indexed in Scilit:
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