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Review summarizes the mechanism and clinical applications of MC4R antagonists for weight gain, indicating significant therapeutic potential.
Melanocortin-4 receptor (MC4R) is a key receptor in the hypothalamus regulating appetite and energy metabolism. Research has indicated that MC4R agonists have demonstrated potential for weight loss; its antagonists may stimulate appetite and weight gain, showing potential therapeutic applications in patients with anorexia or cachexia or those requiring weight restoration. However, the signaling mechanism, clinical applications, and safety profile of MC4R antagonists still require in-depth investigation. The purpose of this review is to comprehensively summarize the research progress of MC4R antagonists, analyze their mechanism of action and clinical applications, evaluate their safety profile, and explore future research directions. Future studies should focus on developing safer and more effective MC4R antagonists and exploring the therapeutic potential of MC4R in other diseases.
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Shi et al. (2026) studied this question.
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