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In the SWI/SNF chromatin-remodeling complex, the mutually exclusive catalytic ATPase subunits SMARCA2 and SMARCA4 proteins have a synthetic-lethal relationship. Selectively targeting SMARCA2 for degradation is a promising and new therapeutic strategy for human cancers harboring inactivated mutated SMARCA4. In this study, we report the design, synthesis, and biological evaluation of novel SMARCA2/4 ligands and our subsequent design of PROTAC degraders using high-affinity SMARCA ligands and VHL-1 ligands. Our efforts led to the discovery of high-affinity SMARCA2/4 bromodomain ligands and the development of a potent and selective SMARCA2 degrader and a highly potent SMARCA2/4 and PBRM1 degrader.
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http://dx.doi.org/10.1021/acs.jmedchem.4c01903 | DOI Listing |
Triggering receptor expressed on myeloid cells 2 (TREM2) dysfunction contributes to Alzheimer's disease pathogenesis, yet current therapeutics cannot prevent ADAM-mediated receptor shedding that diminishes signaling efficacy. Using Affinity Selection-Mass Spectrometry (AS-MS) screening, we identified As48, a novel small molecule that binds TREM2 with high affinity. Biophysical validation confirmed s 7-fold selectivity over TREM1.
View Article and Find Full Text PDFAdv Sci (Weinh)
September 2025
Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, 92093-0359, USA.
Discovery of therapeutic antibodies against infectious disease pathogens presents distinct challenges. Ideal candidates must possess not only the properties required for any therapeutic antibody (e.g.
View Article and Find Full Text PDFNano Lett
September 2025
Key Laboratory of Green and High-end Utilization of Salt Lake Resources, Qinghai Provincial Key Laboratory of Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, Qinghai 810008, China.
Organic small-molecule materials, leveraging their multisite nature, low molecular weight, sustainability, and element-rich composition, are promising candidates for electrochemical ion extraction applications. However, restricted structural stability, caused by ion-intercalation-induced volume expansion and resulting capacity decay, has hindered further application. Here, based on a structural stacking approach to form an integrated intermolecular force network and lithiophilic ion channels, phenazine (PNZ) is utilized to demonstrate the significant functional relevance of molecular stacking structures in enhancing organic small-molecule electrochemical stability.
View Article and Find Full Text PDFMol Psychiatry
September 2025
Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, The University of Osaka, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
Stress-related disorders, such as depression and anxiety, have been one of the most important medical issues. Accumulating evidence suggests that the activation of the pituitary adenylate cyclase-activating polypeptide and its receptor PAC1 are involved in the stress axis and the development of stress-related disorders. We recently developed PA-915, a small-molecule, non-peptide, high-affinity PAC1 antagonist, and demonstrated that it significantly suppresses anxiety-like behavior in acute stress-induced mice.
View Article and Find Full Text PDFBioorg Chem
September 2025
Chemistry Department, Faculty of Science, Menoufia University, Shebin El-Koam 32511, Egypt. Electronic address:
Targeting Cyclin-Dependent Kinase 2 (CDK2) remains a critical strategy in anticancer drug discovery. This study unveils a highly promising series of novel [1,2,4]triazolo[1,5-a]pyrimidine (TP) derivatives, achieved through innovative S/N-glycerolylation and peptide conjugation strategies. We report the rational design, efficient multi-step synthesis (yields up to 85 %), and comprehensive biological and computational evaluation.
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