HIV-1 Vpr activates the DNA damage response in renal tubule epithelial cells.
HIV-associated nephropathy (HIVAN) is a major cause of HIV-related morbidity and mortality. Pathogenesis involves direct infection of the glomerular and tubular epithelial cells leading to characteristic disorder. Recently, we have shown that HIV-1 Vpr causes hypertrophy, hyperploidy, and apoptosis. Here, we report that Vpr activates the DNA damage response resulting in the observed renal phenotype. Renal sections from the HIVAN transgenic mouse model and human biopsies both show an abundant DNA damage response.
Rosenstiel, PE; Chan, J; Snyder, A; Planelles, V; D'Agati, VD; Klotman, PE; Klotman, ME
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