ArticleACS chemical biology2025
Discovery and Validation of a Novel Class of Necroptosis Inhibitors Targeting RIPK1.
Article in ACS chemical biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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26 authors.
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Abstract
Necroptosis is a form of programmed cell death that, when dysregulated, is associated with cancer and inflammatory and neurodegenerative diseases. Here, starting from hits identified from a phenotypic high-throughput screen for inhibitors of necroptosis, we synthesized a library of compounds containing a 7-phenylquinoline motif and validated their anti-necroptotic activity in a novel live-cell assay. Based on these data, we designed an optimized photoaffinity probe for target engagement studies and through biochemical and cell-based assays established receptor-interacting kinase 1 (RIPK1) as the cellular target, with inhibition of necroptosis arising from the prevention of RIPK1 autophosphorylation and activation. X-ray crystallography and mass spectrometry revealed that these compounds bind at the hinge region of the active conformation of RIPK1, establishing them as type I kinase inhibitors. In addition, we demonstrated
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