Tirzepatide, sold under the brand name Mounjaro, is a newer medication that combines the benefits of two powerful hormones: GLP-1 (glucagon-like peptide-1) and GIP (glucose-dependent insulinotropic peptide)
[DOI] [PMC free article] [PubMed] [Google Scholar] 38.Anderson K.A., Madsen A.S., Olsen C.A., Hirschey M.D
The study was reviewed and deemed exempt by the Kentucky Community and Technical College System (KCTCS) Human Research Protection Program (FWA00003332)
The structural basis for this triple activity was elucidated through 2024 cryo-EM studies, which showed that retatrutides 26-amino acid backbone adopts distinct helical conformations at each receptor interface, explaining how balanced agonism across all three receptors is achievable without sacrificing binding affinity at any single target [9]
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