Abstract:
:Euthymic (SD or outbred rnu/+) and athymic (rnu/rnu) rats were inoculated oronasally or intraperitoneally with the RV-Y strain of rat virus when they were 2 days or 4 weeks old. Clinical signs of infection in athymic infants were similar to those in euthymic infants, but significantly more athymic infants died. Some infants developed anemia and thrombocytopenia. After inoculation of infants. RV-Y was detected in surviving euthymic rats for 7 weeks and in surviving athymic rats for at least 10 weeks. After oronasal inoculation of 4 week-old rats no clinical illness was observed. RV-Y persisted less than 6 weeks in juvenile euthymic rats but at least 12 weeks in athymic juvenile rats. Intraperitoneal inoculation of juveniles resulted in infection for at least 6 weeks. The antibody response of athymic rats to RV-Y was significantly reduced compared to that of euthymic rats. These studies indicate that T cell deficiency increases the severity and duration of RV infection and imply that T cells are required for the full expression of resistance to RV infection. They also suggest that RV-Y induced anemia could serve as a model for human parvovirus-induced anemia.
journal_name
Arch Viroljournal_title
Archives of virologyauthors
Gaertner DJ,Jacoby RO,Smith AL,Ardito RB,Paturzo FXdoi
10.1007/BF01311362subject
Has Abstractpub_date
1989-01-01 00:00:00pages
259-68issue
3-4eissn
0304-8608issn
1432-8798journal_volume
105pub_type
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