Publications

Dernière publication 28/01/2019

Anticonvulsant Activity of Pterostilbene in Zebrafish and Mouse Acute Seizure Te

Pterostilbene (PTE), a natural dimethylated analog of resveratrol, possesses numerous health-beneficial properties. The ability of PTE to cross the...

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    [title] => Anticonvulsant Activity of Pterostilbene in Zebrafish and Mouse Acute Seizure Te
    [paragraph] => Anticonvulsant Activity of Pterostilbene in Zebrafish and Mouse Acute Seizure Tests
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Authors
D Nieoczym, K Soca_a, K Gawel, CV Esguerra

 Lab
Department of Animal Physiology, Institute of Biology and Biochemistry, Maria Curie-Sk_odowska University, Lublin, Poland
Journal
Neurochemical Research
Abstract
Pterostilbene (PTE), a natural dimethylated analog of resveratrol, possesses numerous health-beneficial properties. The ability of PTE to cross the blood–brain barrier raised the possibility that this compound may modulate central nervous system functions, including seizure activity. The aim of our study was to investigate the activity of PTE in the larval zebrafish pentylenetetrazole (PTZ) seizure assay and three acute seizure tests in mice, i.e., in the maximal electroshock seizure threshold (MEST), 6 Hz-induced psychomotor seizure threshold and intravenous (iv) PTZ tests. Additionally, potential antidepressant activity of PTE was estimated in the forced swim test in mice. The chimney test was used to determine the influence of PTE on motor coordination in mice, while its influence on neuromuscular strength was assessed in the grip strength test in mice. Locomotor activity was determined to verify the results from the forced swim test. PTE revealed an evident anticonvulsant effect both in zebrafish larvae (10 µM; 2 h-incubation) and mice (at doses of 100 and 200 mg/kg, intraperitoneally) but it did not exhibit antidepressant potential in the forced swim test. Furthermore, it did not cause any statistically significant changes in motor coordination, neuromuscular strength and locomotor activity in mice. In conclusion, our present findings demonstrate for the first time the anticonvulsant potential of PTE. The aforementioned results suggest that it might be employed in epilepsy treatment, however, further precise studies are required to verify its activity in other experimental seizure and epilepsy models and its precise mechanism of action should be determined.
BIOSEB Instruments Used
Grip strength test (BIO-GS3)

Keywords/Topics
Épilepsie; Système Nerveux Central (SNC)
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Une méthode simple pour quantifier objectivement la force musculaire des rats et souris et l'effet de drogues, toxines, maladies musculaires (ex: myopathie) et neurodégénératives. Cette mesure de force est souvent employée en association avec le test de coordination motrice ROTAROD: un sujet présentant une coordination normale montrera des résultats médiocres en cas de faible force musculaire. Un must pour vos recherches sur l'activité, la coordination et le contrôle musculaire: particulièrement utile pour vos études sur les maladies de Parkinson et Huntington.
Nouveautés GS4 - 2023: Écran couleur rétroéclairé (meilleure lisibilité), pédale de remise à zéro, durée de batterie optimisée, taille de mémoire augmentée à 500 valeurs, compteur d'animaux, port USB (transfert de données/charge)

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