ArticleMobile genetic elements2012
Passport control for foreign integrated DNAs: An unexpected checkpoint by class II HDAC4 revealed by amino acid starvation.
Article in Mobile genetic elements, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors at 3 institutions in 2 countries.
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Abstract
The endless battle between mammalian host cells and microbes has evolved mechanisms to shut down the expression of exogenous transcriptional units integrated into the genome with the goal of limiting their spreading. Recently, we observed that deprivation of essential amino acids leads to a selective, reversible upregulation of expression of exogenous transgenes, either carried by integrated plasmids or retroviral vectors, but not of their endogenous counterparts. This effect was dependent on epigenetic modifications and was mediated by the downregulation of the class II histone deacetylase-4 (HDAC4). Indeed, HDAC4 expression inversely correlated with that of the transgene and its inhibition or downregulation enhanced transgene expression. Could this be true also for "naturally" integrated proviruses? We investigated this question in the case of HIV-1, the etiological agent of AIDS and we observed that both amino acid starvation and HDAC4 inhibition triggered HIV-1 reactivation in chronically infected ACH-2 T lymphocytic cells (HDAC4
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