ОҢТҮСТІК ҚАЗАҚСТАН МЕДИЦИНА АКАДЕМИЯСЫ, ХАБАРШЫ №4(942, 2021 жыл, ТОМ 2
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Poshyvak O.B.,
associate professor, Pharmacology Department, Danylo Halytsky Lviv National Medical
University, Lviv, Ukraine
olesya.poshyvak@gmail.com
RAPAMYCIN ACTION UPON KINDLED SEIZURE ACTIVITY IN RATS
Introduction
Inhibitors of the mammalian target of rapamycin (mTOR) pathway are recognized as perspective
antiepileptic compounds (19,21). Such pharmacons are different from classical antiepileptic drugs and cause
a broad spectrum of effects, including modification of cell growth, proliferation, autophagy, and epigenetic
effects. The last one underlay changes in protein synthesis, which, in turn, impacts synaptic plasticity (5, 7,
20). Vice versa, activation of the mTOR pathway induced brain epileptization intensified in genetic and
acquired rodent models of epilepsy (16, 21).
Such data favors the mTOR inhibitors as a new and promising approach to epilepsy treatment (4, 8, 9,
11, 15, 18). Antiseizure action of rapamycin – well-known mTOR inhibitor has been shown on kainic acid
induced continuous seizures (21), epileptic status induced with pilocarpine (4, 11) as well as on status
epilepticus induced with brain structures electrical stimulations (18). But there are no data on effects caused
by rapamycin on kindling – induced seizures.
That is why this work's
main aim
was to investigate the effects of rapamycin upon pentylenetetrazol
(PTZ)-induced kindled convulsions. Considering that PTZ-kindled seizures are highly sensitive to valproic
acid's
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