Related Experiment Video
Updated: Jan 22, 2026

Myeloid Innate Signaling Pathway Regulation by MALT1 Paracaspase Activity
Published on: January 7, 2019
Anti-epileptic effect of 16-O-acetyldigitoxigenin via suppressing mTOR signaling pathway
1Department of Neurology, Wuhan Women and Children Health Care Center, Wuhan 430000, Hubei Province, China.
Abstract:
Epilepsy is a common chronic disease of the central nervous system that can last for years or even decades, causing serious adverse effects on the body, mind, and psychology of patients. Traditional antiepileptic drugs can effectively control seizures, but because of large individual differences, serious adverse reactions, narrow therapeutic window and other shortcomings, more effective, new treatment drugs are looked for. Streptocaulon griffithii is a plant of Asclepiadaceae. 16-O-acetyldigitoxigenin (ACE) is a strong cardiac glycoside isolated from methanol extract of Streptocaulon griffithii. The aim of this study was to investigate the antiepileptic effect of ACE on Pilocarpine (Pilo) induced epilepsy in mice, and to explore the effect of mTOR signaling pathway on its antiepileptic effect. The results showed that ACE had antiepileptic and neuroprotective effects on Pilo induced epilepsy mice. ACE attenuates Pilo induced seizures by inhibiting the activation of p-mTOR/p-70S6K pathway, and inhibits Pilocarpine induced brain damage by inhibiting mTOR signaling pathway. These results suggest that ACE has a promising future in the treatment of epilepsy and other nervous system diseases.
Insights
16-O-acetyldigitoxigenin (ACE), a plant-derived compound, shows significant antiepileptic and neuroprotective effects in a mouse model of epilepsy. ACE works by inhibiting the mTOR signaling pathway, offering a promising new avenue for epilepsy treatment.
Area of Science:
- Pharmacology
- Neuroscience
- Natural Products Chemistry
Background:
- Epilepsy is a chronic neurological disorder with significant patient impact.
- Existing antiepileptic drugs have limitations including adverse reactions and narrow therapeutic windows.
- Novel therapeutic agents are needed for effective epilepsy management.
Purpose of the Study:
- To investigate the antiepileptic effects of 16-O-acetyldigitoxigenin (ACE) in a pilocarpine-induced epilepsy mouse model.
- To explore the role of the mTOR signaling pathway in the antiepileptic mechanism of ACE.
Main Methods:
- Induction of epilepsy in mice using pilocarpine.
- Administration of ACE to assess its effects on seizures and neuroprotection.
- Analysis of the mTOR signaling pathway activation (p-mTOR/p-70S6K) in brain tissue.
Main Results:
- ACE demonstrated significant antiepileptic effects, reducing seizure severity in pilocarpine-induced epilepsy.
- ACE exhibited neuroprotective properties, mitigating brain damage caused by pilocarpine.
- ACE's efficacy was linked to the inhibition of the p-mTOR/p-70S6K pathway.
Conclusions:
- 16-O-acetyldigitoxigenin possesses promising antiepileptic and neuroprotective potential.
- Inhibition of the mTOR signaling pathway is a key mechanism underlying ACE's therapeutic effects.
- ACE warrants further investigation for treating epilepsy and other central nervous system disorders.
Related Concept Videos
PI3K/mTOR/AKT Signaling Pathway
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
Interactions Between Signaling Pathways
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Notch Signaling Pathway
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not...
Hedgehog Signaling Pathway
Insulin: The Receptor and Signaling Pathways

