A dietary anthocyanin cyanidin-3-O-glucoside binds to PPARs to regulate glucose metabolism and insulin sensitivity in mice

Yaoyao Jia, Chunyan Wu, Young Suk Kim, Seung Ok Yang, Yeonji Kim, Ji Sun Kim, Mi Young Jeong, Ji Hae Lee, Bobae Kim, Soyoung Lee, Hyun Seok Oh, Jia Kim, Min Young So, Ye Eun Yoon, Trung Thanh Thach, Tai Hyun Park, Sung Joon Lee

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

We demonstrate the mechanism by which C3G, a major dietary anthocyanin, regulates energy metabolism and insulin sensitivity. Oral administration of C3G reduced hepatic and plasma triglyceride levels, adiposity, and improved glucose tolerance in mice fed high-fat diet. Hepatic metabolomic analysis revealed that C3G shifted metabolite profiles towards fatty acid oxidation and ketogenesis. C3G increased glucose uptake in HepG2 cells and C2C12 myotubes and induced the rate of hepatic fatty acid oxidation. C3G directly interacted with and activated PPARs, with the highest affinity for PPARα. The ability of C3G to reduce plasma and hepatic triglycerides, glucose tolerance, and adiposity and to induce oxygen consumption and energy expenditure was abrogated in PPARα-deficient mice, suggesting that PPARα is the major target for C3G. These findings demonstrate that the dietary anthocyanin C3G activates PPARs, a master regulators of energy metabolism. C3G is an agonistic ligand of PPARs and stimulates fuel preference to fat.

Original languageEnglish
Article number514
JournalCommunications Biology
Volume3
Issue number1
DOIs
Publication statusPublished - 2020 Dec 1

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine (miscellaneous)
  • Medicine(all)

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