[EN] METHODS FOR REVERSING HIV LATENCY USING BAF COMPLEX MODULATING COMPOUNDS [FR] PROCÉDÉS POUR INVERSER LA LATENCE DU VIH À L'AIDE DE COMPOSÉS MODULATEURS DU COMPLEXE BAF
Build/Couple/Pair Strategy for the Synthesis of Stereochemically Diverse Macrolactams via Head-to-Tail Cyclization
摘要:
A build/couple/pair (B/C/P) strategy was employed to generate a library of 7936 stereochernically diverse 12-membered macrolactams. All 8 stereoisomers of a common linear amine precursor were elaborated to form the corresponding 8 stereoisomers of two regioisomeric macrocyclic scaffolds via head-to-tail cyclization. Subsequently,these 16 scaffolds were further diversified via capping of two amine functionalities on SynPhase Lanterns. Reagents used for solid-phase diversification were selected using a sparse matrix design strategy with the aim of maximizing coverage of chemical space while adhering to a preset range of physicochemical properties.
Small Molecule Targeting of Specific BAF (mSWI/SNF) Complexes for HIV Latency Reversal
作者:Christine A. Marian、Mateusz Stoszko、Lili Wang、Matthew W. Leighty、Elisa de Crignis、Chad A. Maschinot、Jovylyn Gatchalian、Benjamin C. Carter、Basudev Chowdhury、Diana C. Hargreaves、Jeremy R. Duvall、Gerald R. Crabtree、Tokameh Mahmoudi、Emily C. Dykhuizen
DOI:10.1016/j.chembiol.2018.08.004
日期:2018.12
The persistence of a pool of latently HIV-1-infected cells despite combination anti-retroviral therapy treatment is the major roadblock for a cure. The BAF (mammalian SWI/SNF) chromatin remodeling complex is involved in establishing and maintaining viral latency, making it an attractive drug target for HIV-1 latency reversal. Here we report a highthroughput screen for inhibitors of BAF-mediated transcription in cells and the subsequent identification of a 12-membered macrolactam. This compound binds ARID1A-specific BAF complexes, prevents nucleosomal positioning, and relieves transcriptional repression of HIV-1. Through this mechanism, these compounds are able to reverse HIV-1 latency in an in vitro T cell line, an ex vivo primary cell model of HIV-1 latency, and in patient CD4+ T cells without toxicity or T cell activation. These macrolactams represent a class of latency reversal agents with unique mechanism of action, and can be combined with other latency reversal agents to improve reservoir targeting.