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Study breakdown

Coral-Derived Neuropeptide Suppresses Epileptic Seizures and Improves Memory in Mice

RPEP-149892026Chen, Qian; Deng, Congshuang; Huang, Xiaoshan; Wang, Aili; Xu, Nan; Cao, Kaixun; Yang, Min; Li, Shang; Lu, Qiumin; Gong, Guiyi; Lee, Simon Ming-Yuen
evidence
The takeaway

A neuropeptide derived from coral suppressed epileptic seizures and improved memory deficits by modulating the NPY-Y1R signaling system, offering a novel anti-epileptic drug candidate.

Seizure suppression + memory improvement

Coral neuropeptide provides dual benefit through NPY-Y1R modulation

What the researchers found

A Scleractinia-derived neuropeptide suppressed PTZ-induced seizures and improved recognition memory by modulating NPY-Y1R signaling in mice.

Why it matters

Drug-resistant epilepsy affects millions worldwide. A marine-derived peptide targeting NPY receptors represents a completely new drug class for seizures that could help treatment-resistant patients.

How the study worked

Preclinical study using pentylenetetrazol (PTZ)-induced seizure mouse model with behavioral testing, pharmacological analysis, and NPY-Y1R pathway characterization.

What this study cannot tell us

Mouse model of chemically induced seizures may not reflect human epilepsy; single seizure model tested; drug-resistance mechanisms in human epilepsy are diverse.

How to read the evidence

Preclinical mouse study — demonstrates proof of concept with mechanistic characterization.

When this study was published

Published in 2026, representing novel drug discovery from marine sources for epilepsy.

The bigger picture

The ocean is an untapped pharmacy — coral-derived peptides joining a growing list of marine natural products with neurological therapeutic potential, extending drug discovery beyond traditional terrestrial sources.

Questions still open

  • Does this coral peptide work in chronic epilepsy models or only acute seizure models?
  • Can the peptide cross the blood-brain barrier when administered systemically?

Common questions

Can a coral produce a seizure medication?
Corals produce diverse peptides for defense and signaling. This study found one such peptide suppresses seizures in mice by targeting the same NPY receptor system that the brain uses to control its own excitability.
Why is this important for epilepsy treatment?
About one-third of epilepsy patients don't respond to current medications. A completely new drug class from marine sources could offer relief for these treatment-resistant patients.

Read the original research

A coral-derived neuropeptide suppresses pentylenetetrazol (PTZ)-induced epileptic seizures and improves recognition memory deficits by modulating NPY-Y1R.

Archives of toxicology, 100(1), 321-339

View on PubMed ↗Publisher’s paper ↗

Citation

Chen, Qian; Deng, Congshuang; Huang, Xiaoshan; Wang, Aili; Xu, Nan; Cao, Kaixun; Yang, Min; Li, Shang; Lu, Qiumin; Gong, Guiyi; Lee, Simon Ming-Yuen. (2026). A coral-derived neuropeptide suppresses pentylenetetrazol (PTZ)-induced epileptic seizures and improves recognition memory deficits by modulating NPY-Y1R.. Archives of toxicology, 100(1), 321-339. https://doi.org/10.1007/s00204-025-04164-3