ArticlePhytotherapy research : PTR2026
Hederagenin Attenuates Cardiac Remodeling by Targeting Phosphodiesterase 9A.
Article in Phytotherapy research : PTR, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Hederagenin Attenuates Morphine Addiction via GABAA1-Mediated Modulation of CaAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
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Authors and funding
17 authors.
Funding
Abstract
BACKGROUND AND
aimNew therapeutic strategies for heart failure are urgently needed. The protective effects of cyclic guanosine monophosphate (cGMP)-protein kinase G (PKG) pathway on heart have been widely reported. Despite phosphodiesterase 9A (PDE9A) inhibitors combating cardiac remodeling, clinically available drugs are lacking. Hederagenin (HED) is a natural bioactive compound that possesses a wide range of pharmacological activities. However, the role of HED in cardiac remodeling and its underlying mechanisms remains elusive. This study aimed to investigate the effects of HED on cardiac remodeling and its molecular targets. EXPERIMENTAL PROCEDURE: Through models of cells, zebrafish and mice, we investigated the effects of HED on cardiac hypertrophic response. In mice subjected to ISO-induced hypertrophy, HED was administered orally at doses of 1.25, 2.5, and 5 mg/kg once daily for 3 weeks. HuProt v4.0 20K Human Proteome Microarray was used to identify the molecular target of HED, followed by validation using surface plasmon resonance (SPR), molecular docking, and site-directed mutagenesis. KEY
resultsHED attenuated hypertrophy and fibrotic responses in vitro and in vivo. Proteome microarrays identified PDE9A as the molecular target of HED. HED directly bound to PDE9A through hydrogen bonds of Asp 293, and inhibited its activity. Functional tests demonstrated that the protective effects of HED were mediated by targeting PDE9A and then activating cGMP-PKG signaling. Overexpression of PDE9A abolished the protective effect of HED on cardiac remodeling and the activation of the cGMP-PKG pathway. CONCLUSIONS AND IMPLICATIONS: Our study suggested that HED, as a novel PDE9A inhibitor, ameliorated cardiac hypertrophic response by activating the cGMP-PKG signaling pathway, presenting a potential therapeutic strategy for heart failure.
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Registered trials
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