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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Central nervous system infection in a murine retrovirus-induced immunodeficiency syndrome.

Astrocyte-enriched primary glial cultures (AGC) from C57BL/6 mice were found to be highly susceptible to infection with the replication competent components of LP-BM5, consisting of the ecotropic and mink cell focus-inducing (MCF) helper murine leukemia viruses (MuLVs). The presence in infected AGC of defective LP-BM5 MuLV genome, a critical component for induction of the disease referred to as murine AIDS, was confirmed by Southern blot hybridization using a probe reactive with the p12 gag sequence of the 4.9 kb defective genome. Electron microscopic studies demonstrated C-type retrovirus particles in both astrocytes and microglial cells. In vivo studies demonstrated that the ecotropic MuLVs and the defective genome could be detected within AGC obtained form either 14-day-old mice following intraperitoneal inoculation or 7-day-old mice following intracranial inoculation. These findings suggest that: (1) the central nervous system (CNS) infection is present at an early stage in murine AIDS, (2) both astrocytes and microglial cells are possible CNS targets in which helper MuLVs replicate, and (3) these cells can harbor the defective genome that is a critical component for disease induction.[1]

References

  1. Central nervous system infection in a murine retrovirus-induced immunodeficiency syndrome. Sei, Y., Makino, M., Vitković, L., Chattopadhyay, S.K., Hartley, J.W., Arora, P.K. J. Neuroimmunol. (1992) [Pubmed]
 
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