HIV-1 harboring renal tubular epithelial cell interaction with T cells results in T cell trans-infection

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Abstract

Renal biopsy data suggest that renal tubular cells may serve as a reservoir for HIV-1, however the mechanism underlying this finding has not been studied. Here we show that primary human renal proximal tubular epithelial cells (HRPTECs) have the potential to harbor HIV-1 through the DEC-205 receptor. The interaction of HIV-1 with DEC-205 results in the rapid internalization of the virus for lysosomal degradation, without establishing a productive infection. However, a small fraction of incoming virus escapes degradation and can be rescued by T cells. Since pH-modulating agents and an inhibitor of endosomal transport increased HIV-1 accumulation and trans-infection to T cells, it appears that HRPTECs endocytic compartments may be the site of viral persistence and transmission to target cells. The ability of T cells to rescue the virus from HRPTECs further supports the hypothesis that these cells have the potential to serve as a reservoir for HIV-1. © 2008 Elsevier Inc. All rights reserved.

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APA

Mikulak, J., Teichberg, S., Faust, T., Schmidtmayerova, H., & Singhal, P. C. (2009). HIV-1 harboring renal tubular epithelial cell interaction with T cells results in T cell trans-infection. Virology, 385(1), 105–114. https://doi.org/10.1016/j.virol.2008.11.029

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