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These shared downstream targets explain why the two hormones have synergistic effects on metabolism even though they work through different initial receptors

They never developed the muscle mass that would increase their metabolic rate

In cellular models, GLP-1R activation attenuates the expression of proinflammatory mediators such as TNF-, IL-1, and IL-6, alleviates ER stress, and improves mitochondrial function

Triple Hormone Receptor Agonist Retatrutide for Metabolic Dysfunction-Associated Steatotic Liver Disease: A Randomized Phase 2a Trial
