Lucera, Mark B. published the artcileHIV signaling through CD4 and CCR5 activates Rho family GTPases that are required for optimal infection of primary CD4+ T cells, Application of 4-(tert-Butyl)-N-((4-(5-(dimethylamino)pentanamido)phenyl)carbamothioyl)benzamide, the publication is Retrovirology (2017), 4/1-4/13, database is CAplus and MEDLINE.
Background: HIV-1 hijacks host cell machinery to ensure successful replication, including cytoskeletal components for intracellular trafficking, nucleoproteins for pre-integration complex import, and the ESCRT pathway for assembly and budding. It is widely appreciated that cellular post-translational modifications (PTMs) regulate protein activity within cells; however, little is known about how PTMs influence HIV replication. Previously, we reported that blocking deacetylation of tubulin using histone deacetylase inhibitors promoted the kinetics and efficiency of early postentry viral events. To uncover addnl. PTMs that modulate entry and early post-entry stages in HIV infection, we employed a flow cytometric approach to assess a panel of small mol. inhibitors on viral fusion and LTR promoterdriven gene expression. Results: While viral fusion was not significantly affected, early post-entry viral events were modulated by drugs targeting multiple processes including histone deacetylation, methylation, and bromodomain inhibition. Most notably, we observed that inhibitors of the Rho GTPase family of cytoskeletal regulators-including RhoA, Cdc42, and Rho-associated kinase signaling pathways-significantly reduced viral infection. Using phosphoproteomics and a biochem. GTPase activation assay, we found that virion-induced signaling via CD4 and CCR5 activated Rho family GTPases including Rac1 and Cdc42 and led to widespread modification of GTPase signaling-associated factors. Conclusions: Together, these data demonstrate that HIV signaling activates members of the Rho GTPase family of cytoskeletal regulators that are required for optimal HIV infection of primary CD4+ T cells.
Retrovirology published new progress about 1011557-82-6. 1011557-82-6 belongs to amides-buliding-blocks, auxiliary class Epigenetics,Sirtuin, name is 4-(tert-Butyl)-N-((4-(5-(dimethylamino)pentanamido)phenyl)carbamothioyl)benzamide, and the molecular formula is C25H34N4O2S, Application of 4-(tert-Butyl)-N-((4-(5-(dimethylamino)pentanamido)phenyl)carbamothioyl)benzamide.
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