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RNA polymerase II recruitment

The absence of a transactivation-competent NF-kB heterodimer in the nucleus of latently infected resting memory CD4+ T cells could contribute to latency. Activation of the NF-kB pathway leading to migration of a transactivating heterodimer such as p50/p65 could allow viral reactivation. In the absence of induction, NF-kB p50-HDACl complexes constitutively bind the latent HIV-1 LTR (Williams et al, 2006). NF-kB p50 does not possess a transactivation domain. These p50-HDACl complexes induce histone deacetylation and repressive changes in chromatin structure of the HIV-1 LTR (Williams et al, 2006). Knockdown of p50 expression reduces HDACl binding to the latent HIV-1 LTR and induces RNA polymerase II recruitment (Williams et al, 2006). Concomitantly with HIV-1 transcriptional activation, the p65 subunit and different HATs are recruited to the viral promoter (Lusic et al, 2003 Thierry et al, 2004). [Pg.380]

Rana R, Surapureddi S, Kam W, Ferguson S, Goldstein JA (2011) Med25 is required for RNA polymerase II recruitment to specific promoters, thus regulating xenobiotic and lipid metabolism in human liver. Mol Cell Biol 31 466 81... [Pg.810]


See other pages where RNA polymerase II recruitment is mentioned: [Pg.37]    [Pg.2004]    [Pg.55]   
See also in sourсe #XX -- [ Pg.56 ]




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