Cited by 15Adipokines, Inflammation, and Metabolic DiseasesCardiovascular Disease and AdiposityNitric Oxide and Endothelin Effects

AdipoRon, adiponectin receptor agonist, improves vascular function in the mesenteric arteries of type 2 diabetic mice

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Choi, Soo-Kyoung, Kwon, Youngin, Byeon, Seonhee, Haam, Chae Eun, Lee, Young-Ho·2020·PLOS ONE

Abstract

BACKGROUND: An orally active synthetic adiponectin receptor agonist, AdipoRon has been suggested to ameliorate insulin resistance, and glucose tolerance. However, the chronic effect of AdipoRon in the vascular dysfunction in type 2 diabetes has not been studied yet. Thus, in this study, we examined whether AdipoRon improves vascular function in type 2 diabetes. METHODS: Type 2 diabetic (db-/db-) mice were treated with AdipoRon (10 mg/kg/everyday, by oral gavage) for 2 weeks. Body weight and blood glucose levels were recorded every other day during the experimental period. Diameter of mesenteric arteries was measured. And western blot analysis was performed with mesenteric arteries. RESULTS: Pressure-induced myogenic response was significantly increased while endothelium-dependent relaxation was reduced in the mesenteric arteries of db-/db- mice. Treatment of AdipoRon normalized potentiated myogenic response, whereas endothelium-dependent relaxation was not affected by treatment of AdipoRon. The expression levels of AdiR1, AdiR2, APPL1, and APPL 2 were increased in the mesenteric arteries of db-/db- mice and treatment of AdipoRon did not affect them. Interestingly, AdipoRon treatment increased the phospho-AMPK and decreased MYPT1 phosphorylation in db-/db- mice while there was no change in the level of eNOS phosphorylation. CONCLUSION: The treatment of AdipoRon improves vascular function in the mesenteric arteries of db-/db- mice through endothelium-independent mechanism. We suggest that MLCP activation through reduced phosphorylation of MYPT1 might be the dominant mechanism in the AdipoRon-induced vascular effect.

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  • AdipoRon, an orally active synthetic adiponectin receptor agonist, improved vascular function in mesenteric arteries independently of endothelium mechanism in mice.

    “Recently, an orally active synthetic adiponectin receptor agonist, AdipoRon, was developed and studied in an experimental animal study (mice) showing improvement in vascular function in the mesenteric arteries independently of endothelium-mechanism [47].”

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Authors
Choi, S.-K., Kwon, Y., Byeon, S., Haam, C. E., & Lee, Y.-H.
Affiliations
Yonsei University (KR)
Corresponding author
Lee, Young-Ho
Venue
PLOS ONE
Published
2020-03-17
Volume
15
Issue
3
Pages
e0230227
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2928833045
Cited by
15
References
30
Citations by year
2026: 2 · 2025: 3 · 2024: 3 · 2023: 2 · 2022: 1 · 2021: 3 · 2020: 1
FWCI
1.25
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • YUHSpace (Yonsei University Medical Library) (submittedVersion, cc-by-nc-nd)
Funders
Myoung-Sun Kim Memorial Foundation (2017)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Disease and Adiposity
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
Keywords
AdipoRon, adiponectin receptor agonist, type 2 diabetes, vascular function, mesenteric arteries, myogenic response, endothelium-dependent relaxation, AMPK, MYPT1, endothelial nitric oxide synthase, db/db mice, insulin resistance
MeSH terms
Animals, Diabetes Mellitus, Experimental, Diabetes Mellitus, Type 2, Endothelium, Vascular, Insulin Resistance, Male, Mesenteric Arteries, Mice, Inbred Strains, Phosphorylation, Piperidines, Adaptor Proteins, Signal Transducing, Mice, Nitric Oxide Synthase Type III, Receptors, Adiponectin

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