Trans‐Anethole Alleviates Trimethyltin Chloride‐Induced Impairments in Long‐Term Potentiation

Wonseok Chang, Jihua An, Geun Hee Seol, Seung Ho Han, Jaeyong Yee, Sun Seek Min

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


Trans‐anethole is an aromatic compound that has been studied for its anti‐inflammation, anticonvulsant, antinociceptive, and anticancer effects. A recent report found that trans‐anethole exerted neuroprotective effects on the brain via multiple pathways. Since noxious stimuli may both induce neuronal cell injury and affect synaptic functions (e.g., synaptic transmission or plasticity), it is important to understand whether the neuroprotective effect of trans‐anethole extends to synaptic plasticity. Here, the effects of trimethyltin (TMT), which is a neurotoxic organotin compound, was investigated using the field recording method on hippocampal slice of mice. The influence of trans‐anethole on long‐term potentiation (LTP) was also studied for both NMDA receptor‐depend-ent and NMDA receptor–independent cases. The action of trans‐anethole on TMT‐induced LTP impairment was examined, too. These results revealed that trans‐anethole enhances NMDA receptor-dependent and ‐independent LTP and alleviates TMT‐induced LTP impairment. These results sug-gest that trans‐anethole modulates hippocampal LTP induction, prompting us to speculate that it may be helpful for improving cognitive impairment arising from neurodegenerative diseases, including Alzheimer’s disease.

Original languageEnglish
Article number1422
Issue number7
Publication statusPublished - 2022 Jul

Bibliographical note

Funding Information:
Funding: This research was funded by The Chung Yang, Cha Young Sun & Jang Hi Joo Memorial Fund, Eulji University in 2019 (EGRG‐19‐05) and an EMBRI grant (2019EMBRIDJ0004).

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.


  • hippocampus
  • long‐term potentiation (LTP)
  • synaptic plasticity
  • trans‐anethole
  • trimethyltin chloride

ASJC Scopus subject areas

  • Pharmaceutical Science


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