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Adiponectin receptor agonists, including peptides like ADP355 and small molecules like AdipoRon, offer therapeutic potential for various diseases. Comparing these drug classes is challenging due to differing in vitro and in vivo models.

Keywords:
active siteagonistantagonistfibrosisinsulin sensitivitynanomolar activityoral efficacysignaling

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Area of Science:

  • Pharmacology
  • Endocrinology
  • Drug Discovery

Background:

  • Adiponectin replacement therapy holds promise for numerous human diseases.
  • Pharmacological limitations of intact adiponectin necessitate alternative therapeutic strategies.
  • Adiponectin receptor agonists, including peptide and small molecule types, are key drug development focuses.

Purpose of the Study:

  • To review and compare different classes of adiponectin receptor agonists.
  • To highlight the therapeutic potential and challenges associated with peptide and small molecule adiponectin mimetics.
  • To discuss the utility of adiponectin receptor antagonists and upstream induction therapies.

Main Methods:

  • Review of existing literature on adiponectin receptor agonists.
  • Comparison of peptide-based (e.g., ADP355) and small molecule (e.g., AdipoRon) therapeutic approaches.
  • Discussion of challenges in comparing in vitro and in vivo efficacy data.

Main Results:

  • Peptide agonists like ADP355 show low nanomolar activity and efficacy in fibrotic and inflammatory diseases.
  • Small molecule agonists, such as AdipoRon, offer oral availability and benefits for metabolic conditions.
  • Adiponectin receptor antagonists are valuable for target validation, while upstream therapies show limited success.

Conclusions:

  • Peptide and small molecule adiponectin receptor agonists represent promising therapeutic avenues for diverse diseases.
  • Standardized comparison methods are needed to fully evaluate the relative merits of different drug classes.
  • Targeted modulation of adiponectin signaling offers significant therapeutic opportunities.