Butanolides and clerodane diterpenes from the twigs of Casearia grewiifolia and their effects on adiponectin secretion

Piseth Nhoek, Seokyoung Hwang, Jungmoo Huh, Pisey Pel, Chan Woong Park, Piseth Khiev, Hyun Woo Kim, Minsoo Noh, Young Won Chin

Research output: Contribution to journalArticlepeer-review

Abstract

Three butanolides derivatives, grewiifolides A–C, and nine clerodane diterpenes, grewiifolins M-U, as well as a known sterol were isolated from the twigs of Casearia grewiifolia. The chemical structures and configurations of all isolates were established by various spectroscopic means and chemical derivatization. In a cell-based phenotypic assay using the adipogenesis model of human bone marrow mesenchymal stem cells (hBM-MSCs), grewiifolide B significantly promoted adiponectin-secretion with EC50 value of 24.8 µM. In target identification studies, butanolide derivatives were selectively bound to PPARγ with Ki values of 4.65, 0.55, and 17.8 µM, respectively. Further functional analysis and molecular modeling revealed that grewiifolide B promotes adiponectin-secretion through PPARγ full agonism.

Original languageEnglish
Article number107890
JournalBioorganic Chemistry
Volume153
DOIs
StatePublished - Dec 2024

Keywords

  • Adiponectin-secretion
  • Butanolide
  • Casearia grewiifolia
  • Clerodane-type diterpene
  • PPARγ
  • hBM-MSC

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