Wogonin, a Compound in Scutellaria baicalensis, Activates ATF4–FGF21 Signaling in Mouse Hepatocyte AML12 Cells

Yasunari Yamada, Hodaka Saito, Masaya Araki, Yuhei Tsuchimoto, Shin Ichi Muroi, Kyohei Suzuki, Kazufumi Toume, Jun Dal Kim, Takashi Matsuzaka, Hirohito Sone, Hitoshi Shimano, Yoshimi Nakagawa*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Fibroblast growth factor 21 (FGF21), which is mainly synthesized and secreted by the liver, plays a crucial role in systemic glucose and lipid metabolism, ameliorating metabolic diseases. In this study, we screened the WAKANYAKU library derived from medicinal herbs to identify compounds that can activate Fgf21 expression in mouse hepatocyte AML12 cells. We identified Scutellaria baicalensis root extract and one of its components, wogonin, as an activator of Fgf21 expression. Wogonin also enhanced the expression of activating transcription factor 4 (ATF4) by a mechanism other than ER stress. Knockdown of ATF4 by siRNA suppressed wogonin-induced Fgf21 expression, highlighting its essential role in wogonin’s mode of action. Thus, our results indicate that wogonin would be a strong candidate for a therapeutic to improve metabolic diseases by enhancing hepatic FGF21 production.

Original languageEnglish
Article number3920
JournalNutrients
Volume14
Issue number19
DOIs
StatePublished - 2022/10

Keywords

  • Scutellaria baicalensis
  • WAKANYAKU
  • activating transcription factor 4
  • fibroblast growth factor
  • wogonin

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics

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