Abstract:
:Cloned cerebrovascular endothelial cells (CVE) persistently infected with Theiler's virus (PI-CVE) have been established and characterized. The CVE were derived from strains of mice that are susceptible (SJL/J and CBA) and resistant (BALB/c) to Theiler's virus-induced demyelination (TVID). The cells were persistently infected with either the BeAn or GDVII strains of Theiler's virus in vitro and studied at various passage levels for infectious virus, viral antigen and the expression of major histocompatibility complex (MHC) Class I and II antigens. The virus replicated to lower titers than in acutely infected CVE and appeared to be more cell-associated. Flow cytometric analysis revealed that 18-39% of the PI-CVE contained viral antigen. Persistently infected CVE derived from SJL/J and CBA mice expressed high levels of MHC Class I, whereas BALB/c PI-CVE did not. MHC Class II was upregulated by IFN-gamma in SJL/J PI-CVE albeit at a slightly lower level than in uninfected CVE. In addition, the PI-CVE demonstrated increased levels of mRNA for IL-1 beta when compared to uninfected CVE.
journal_name
J Neuroimmunoljournal_title
Journal of neuroimmunologyauthors
Sapatino BV,Petrescu AD,Rosenbaum BA,Smith R 3rd,Piedrahita JA,Welsh CJdoi
10.1016/0165-5728(95)00094-4subject
Has Abstractpub_date
1995-11-01 00:00:00pages
127-35issue
2eissn
0165-5728issn
1872-8421pii
0165572895000944journal_volume
62pub_type
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