Wogonin Attenuates Isoprenaline-Induced Myocardial Hypertrophy in Mice by Suppressing the PI3K/Akt Pathway

Frontiers in Pharmacology
Weichun QianLiang Sheng

Abstract

Many studies have focused on identifying therapeutic targets of myocardial hypertrophy for the treatment of correlative cardiac events. Wogonin is a natural flavonoid compound that displays a potent anti-hypertrophic effect. Knowledge of its pharmacological mechanisms might reveal an effective way to search for therapeutic targets. Myocardial hypertrophy was replicated by the subcutaneous implantation of an isoprenaline mini-pump in mice or isoprenaline treatment of H9C2 cells. Pathologic changes in cardiac structure were assessed by echocardiographic and histological examinations. The signaling transduction in hypertrophy-promoting pathways and the genes involved were detected by western blot and RT-qPCR. Wogonin significantly attenuated isoprenaline-induced myocardial hypertrophy in vivo and in vitro by suppressing phosphatidylinositol 3-kinase/protein kinase B (PI3K/Akt) hypertrophy-promoting pathway. Wogonin promoted the ubiquitination and degradation of PI3K catalytic subunit alpha (Pik3ca), the catalytic subunit of PI3K, which was upregulated by isoprenaline treatment. Wogonin also increased the expression of neural precursor cells expressing developmentally down-regulated gene 4-like (Nedd4l), the ubiquitin E3 ligase of ...Continue Reading

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Citations

May 10, 2020·Acta Biochimica Et Biophysica Sinica·Shaohua FanYawei Shi
Nov 11, 2020·Journal of the American Heart Association·Dian-Hong ZhangYan-Zhou Zhang
Sep 4, 2020·European Journal of Pharmacology·Vijaya Padma ViswanadhaGjumrakch Aliev
Jul 16, 2021·European Journal of Pharmacology·Jiawei WenYang He
Jan 20, 2022·Chemical Research in Toxicology·Chandan SarkarMuhammad Torequl Islam

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Methods Mentioned

BETA
PCR
Polymerase Chain Reaction
Ubiquitination
immunoprecipitation
transfection

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