Susceptibility and resistance to poliovirus-induced paralysis of inbred mouse strains.
AUTOR(ES)
Jubelt, B
RESUMO
Susceptibility to human poliovirus-induced disease in different inbred mouse strains was analyzed after intracerebral inoculation of two mouse-adapted type 2 polioviruses, the attenuated W-2 strain and the virulent Lansing strain. In contrast to inoculation with the Lansing strain, which was invariably lethal, inoculation with the W-2 strain defined three groups of mice with high, intermediate, or low disease incidence. Those in the high-disease-incidence group, the DBA/1J and DBA/2J mice, exhibited a high level of virus replication in the spinal cord by day 2 postinfection, with no detectable neutralizing-antibody response. Mice in the intermediate- and low-incidence groups had lower levels of virus replication in the spinal cord and/or produced neutralizing antibodies. No correlation was observed between H-2 haplotype and the extent of virus replication, production of neutralizing or enzyme-linked immunosorbent assay-detectable antibodies, or T-cell-proliferative response. However, mice of the H-2k haplotype manifested a low incidence of disease.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=239854Documentos Relacionados
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