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- W3197995801 abstract "Effective therapeutic agents are highly desired for immune-mediated allergic diseases. Herein, we report the design, synthesis, and structure-activity relationship of an o-aminopyridinyl alkyne series as novel orally bioavailable antiallergic agents, which was identified through phenotypic screening. Compound optimization yielded a highly potent compound 36, which effectively suppressed mast cell degranulation in a dose-dependent manner (IC50, 2.54 nM for RBL-2H3 cells; 48.28 nM for peritoneal mast cells (PMCs)) with a good therapeutic index. It also regulated the activation of FcεRI-mediated downstream signaling proteins in IgE/Ag-stimulated RBL-2H3 cells. In addition, 36 exhibited excellent in vivo pharmacokinetic properties and antiallergic efficacy in both passive systemic anaphylaxis (PSA) and house dust mite (HDM)-induced murine models of pulmonary allergic inflammation. Furthermore, preliminary analysis of the kinases profile identified Src-family kinases as potential targets for 36. Compound 36 may serve as a new valuable lead compound for future antiallergic drug discovery." @default.
- W3197995801 created "2021-09-13" @default.
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- W3197995801 date "2021-09-03" @default.
- W3197995801 modified "2023-10-18" @default.
- W3197995801 title "Discovery of Potent Antiallergic Agents Based on an o-Aminopyridinyl Alkynyl Scaffold" @default.
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- W3197995801 doi "https://doi.org/10.1021/acs.jmedchem.1c00976" @default.
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