Significance PMPA-resistant SIV mutants arise in SIV-infected macaques following prolonged PMPA treatment. Although we have previously shown that these mutants are highly virulent for newborn macaques, it is unknown whether they are also infectious following mucosal (oral) virus inoculation. Objectives We determined whether the highly virulent PMPA-resistant SIV mutant, designated SIVmac055 can infected juvenile macaques following oral inoculation.. Results All 4 animals which were given 2 doses of SIVmac055 became infected. Our results demonstrate that PMPA-resistant SIV is infectious following oral inoculation. Future Directions Future studies can use the oral route of SIVmac055 inoculation for designing intervention studies aimed at preventing or modulating mucosal infection with PMPA-resistant virus. These studies are relevant with regard to vertical transmission of HIV. KEYWORDS PMPA, oral, primate, drug resistance

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Primate Research Center Grants (P51)
Project #
5P51RR000169-37
Application #
6277946
Study Section
Project Start
1998-05-01
Project End
1999-04-30
Budget Start
1997-10-01
Budget End
1998-09-30
Support Year
37
Fiscal Year
1998
Total Cost
Indirect Cost
Name
University of California Davis
Department
Type
DUNS #
094878337
City
Davis
State
CA
Country
United States
Zip Code
95618
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