Acute application of Centella asiatica extract enhanced AMPAR-mediated postsynaptic currents in rat entorhinal cortex

is notable for its wide range of biological activities beneficial to human health, particularly its cognitive enhancement and neuroprotective effects. The α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors are ionotropic glutamate receptors mediating fast excitatory neurotransmission ess...

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Veröffentlicht in:Journal of integrative neuroscience 2020-06, Vol.19 (2), p.217-227
Hauptverfasser: Wong, Jia Hui, Reza, Faruque, Muthuraju, Sangu, Chuang, Huei Gau, Zhang, Jingli, Senik, Mohd Harizal, Yusof, Siti Rafidah, Mohamad, Habsah, Muhammad, Tengku Sifzizul Tengku, Ismail, Nor Hadiani, Abdullah, Jafri Malin
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Sprache:eng
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Zusammenfassung:is notable for its wide range of biological activities beneficial to human health, particularly its cognitive enhancement and neuroprotective effects. The α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors are ionotropic glutamate receptors mediating fast excitatory neurotransmission essential in long-term potentiation widely thought to be the cellular mechanism of learning and memory. The method of whole-cell patch-clamp was used to study the effect of the acute application of extract on the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor-mediated spontaneous excitatory postsynaptic currents in the entorhinal cortex of rat brain slices. The respective low dose of test compounds significantly increased the amplitude of spontaneous excitatory postsynaptic currents while having no significant effects on the frequency. The findings suggested that extract increased the response of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors at the postsynaptic level, revealing the potential role of in modulating the glutamatergic responses in the entorhinal cortex of rat brain slices to produce cognitive enhancement effects.
ISSN:0219-6352
1757-448X
DOI:10.31083/j.jin.2020.02.50