Structure−Activity Relationships on Phenylalanine-Containing Inhibitors of Histone Deacetylase: In Vitro Enzyme Inhibition, Induction of Differentiation, and Inhibition of Proliferation in Friend Leukemic Cells
摘要:
Inhibitors of histone deacetylases (HDACs) are a new class of anticancer agents that affect gene regulation. We had previously reported the first simple synthetic HDAC inhibitors with in vitro activity at submicromolar concentrations. Here, we present structure-activity data on modifications of a phenylalanine-containing lead compound including amino acid amides as well as variations of the amino acid part. The compounds were tested for inhibition of maize HD-2, rat liver HDAC, and for the induction of terminal cell differentiation and inhibition of proliferation in Friend leukemic cells. In the amide series, in vitro inhibition was potentiated up to 15-fold, but the potential to induce cell differentiation decreased. Interestingly, an HDAC class selectivity was indicated among some of these amides. In the amino acid methyl ester series, a biphenylalanine derivative was identified as a good enzyme inhibitor, which blocks proliferation in the submicromolar range and is also a potent inducer of terminal cell differentiation.
[EN] PHOTOAFFINITY PROBES<br/>[FR] SONDES DE PHOTOAFFINITÉ
申请人:PROMEGA CORP
公开号:WO2020191339A1
公开(公告)日:2020-09-24
Provided herein are compositions and methods for photoaffinity labeling of molecular targets. In particular, probes that specifically interact with cellular targets based on their affinity and are then covalently linked to the cellular target via a photoreactive group (PRG) on the probe.
[EN] COMPOSITIONS AND METHODS FOR CAPTURE OF CELLULAR TARGETS OF BIOACTIVE AGENTS<br/>[FR] COMPOSITIONS ET PROCÉDÉS DE CAPTURE DE CIBLES CELLULAIRES D'AGENTS BIOACTIFS
申请人:PROMEGA CORP
公开号:WO2014093671A1
公开(公告)日:2014-06-19
The present invention provides compositions and methods for capture and identification of the cellular targets of a bioactive agent. In particular, provided herein are bioactive agents tethered to capture ligand, cellular targets (optionally tagged with a reporter), capture proteins (optionally present as capture fusions), surfaces (e.g., displaying, capture ligands, capture proteins, or capture fusions), and methods of capturing and identifying the cellular targets of a bioactive agent therewith.
New histone deacetylase inhibitors based on 4-fluoro-2-amino acid esters: Synthesis and activity
作者:Martin Lübke、Manfred Jung、Günter Haufe
DOI:10.1016/j.jfluchem.2013.03.011
日期:2013.8
histone deacetylase inhibitors 25 was synthesized and their inhibitory activity was tested against rat liver histone deacetylase. The newinhibitors involve an enzyme binding element consisting of asparagine, glutamine or different short chain fluorinated or unfluorinated amino acids, a suberoyl spacer and a hydroxamic acid functionality, which is responsible for the inhibitory activity. The 4-fluoro-2-aminobutyric
Structurally Diverse Histone Deacetylase Photoreactive Probes: Design, Synthesis, and Photolabeling Studies in Live Cells and Tissue
作者:Shaimaa M. Aboukhatwa、Thomas W. Hanigan、Taha Y. Taha、Jayaprakash Neerasa、Rajeev Ranjan、Eman E. El‐Bastawissy、Mohamed A. Elkersh、Tarek F. El‐Moselhy、Jonna Frasor、Nadim Mahmud、Alan McLachlan、Pavel A. Petukhov
DOI:10.1002/cmdc.201900114
日期:2019.6.5
tools to study how these factors affect engagement of HDAC isoforms by HDAC inhibitors (HDACi) in cells and tissues are needed. In this study, a synthetic strategy to access chemically diverse photoreactive probes (PRPs) was developed and used to prepare seven novel HDAC PRPs 9-15. The class I HDAC isoform engagement by PRPs was determined in biochemical assays and photolabeling experiments in live SET-2