The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Picolinamide, is researched, Molecular C6H6N2O, CAS is 1452-77-3, about Identification of N,N-arylalkyl-picolinamide derivatives targeting the RNA-binding protein HuR, by combining biophysical fragment-screening and molecular hybridization, the main research direction is Fragment screening; Ligand-protein interaction; Molecular docking; RNA-binding proteins; SPR; STD-NMR.Application In Synthesis of Picolinamide.
Hu proteins are members of the RNA-binding protein (RBP) family and play a pivotal role in the regulation of post-transcriptional processes. Through interaction with selected mRNAs, RBPs regulate their function and stability; as a consequence, RBP dysregulation can cause abnormal translation of key proteins involved in several pathologies. In the past few years, this observation has sparked interest to develop new treatments against these pathologies by using small mols. able to modulate RBP activity. Among the four Hu proteins, we have directed our efforts towards the isoform HuR, which is mainly involved in cancer, inflammation and retinopathy. Aimed at developing compounds able to modulate the stability of HuR-mRNA complexes, in the present work, we applied a biophys. fragment screening by assessing a library of halogen-enriched heterocyclic fragments (HEFLibs) via Surface Plasmon Resonance (SPR) and Saturation Transfer Difference (STD) NMR to select promising fragments able to interact with HuR. One selected fragment and a few com. available congeners were exploited to design and synthesize focused analogs of compound N-(3-chlorobenzyl)-N-(3,5-dihydroxyphenethyl)-4-hydroxybenzamide (1), our previously reported hit. STD NMR spectroscopy, mol. modeling, and SPR offered further insight into the HuR-small mol. interaction and showed that fragment-based approaches represent a promising and yet underexplored strategy to tackle such unusual targets. Lastly, fluorescence polarization (FP) studies revealed the capability of the new compounds to interfere with the formation of the HuR-mRNA complex. This is, to our knowledge, the first fragment-based campaign performed on the Hu protein class, and one of the few examples in the larger RBP field and constitutes an important step in the quest for the rational modulation of RBPs and related RNA functions by small mols.
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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem