Kopsavilkums
Biased agonism of G protein-coupled receptors (GPCRs) offers potential for safer medications. Current efforts have explored the balance between G proteins and β-arrestin; however, other transducers like GPCR kinases (GRKs) remain understudied. GRK2 is essential for β2 adrenergic receptor (β2AR)-mediated glucose uptake, but β2AR agonists are considered poor clinical candidates for glycemic management due to Gs/cyclic AMP (cAMP)-induced cardiac side effects and β-arrestin-dependent desensitization. Using ligand-based virtual screening and chemical evolution, we developed pathway-selective agonists of β2AR that prefer GRK coupling. These compounds perform well in preclinical models of hyperglycemia and obesity and demonstrate a lower potential for cardiac and muscular side effects compared with standard β2-receptor agonists and incretin mimetics, respectively. Furthermore, the lead candidate showed favorable pharmacokinetics and was well tolerated in a placebo-controlled clinical trial. GRK-biased β2AR partial agonists are thus promising oral alternatives to injectable incretin mimetics used in the treatment of type 2 diabetes and obesity.
| Oriģinālvaloda | Angļu |
|---|---|
| Lapas (no-līdz) | 5142-5156.e23 |
| Žurnāls | Cell |
| Sējums | 188 |
| Izdevuma numurs | 19 |
| DOIs | |
| Publikācijas statuss | Publicēts - 18 sept. 2025 |
| Ārēji publicēts | Jā |
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3. IAM — Laba Veselība un Labbūtība
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