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. 1997 Sep 1;13(13):1147-53.
doi: 10.1089/aid.1997.13.1147.

Detection of simian T cell leukemia virus type I infection in seronegative macaques

V Liska  1 , P N Fultz, L Su, R M Ruprecht
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Detection of simian T cell leukemia virus type I infection in seronegative macaques

V Liska et al. AIDS Res Hum Retroviruses. .

Abstract

Simian species of Asian and African origin are naturally infected with the simian T cell leukemia virus type I (STLV-I). Like the closely related human T cell leukemia virus type I (HTLV-I), STLV-I is primarily cell associated, and typical infections exhibit low viral burdens. Four macaques experimentally inoculated with a new STLV-I strain isolated from a sooty mangabey monkey were examined over extended periods of time for signs of infection by (1) commercial enzyme immunoassay and immunoblot assay for cross-reactive serum antibodies to HTLV-I, (2) commercial HTLV-I p24gag antigen-capture assay on supernatants from cocultures of macaque peripheral blood mononuclear cells (PBMCs) with human PBMCs, and (3) nested PCR amplification of proviral sequences in macaque PBMC DNA. The nested PCR assay was 100% specific and detected a single STLV-I copy in 150,000 PBMCs. In addition, our data show that experimental infection of macaques with STLV-I can be serologically silent for more than 43 months.

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