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  • Title: [CHANGES IN BRAIN ELECTRICAL ACTIVITY PATTERNS IN RATS WITH DIFFERENT SUSCEPTIBILITY TO SEIZURES IN LITHIUM-PILOCARPINE MODEL OF STATUS EPILEPTICUS].
    Author: Vataev SI, Zaitsev AV, Kim KK, Lukomskaya NY, Magazanik LG.
    Journal: Ross Fiziol Zh Im I M Sechenova; 2016 Jun; 102(6):633-46. PubMed ID: 30192488.
    Abstract:
    The intracranial EEG was continuously registered in Krushinskii-Molodkina rats with inherited susceptibility to audiogenic seizures and in Wistar rats, which are resistant to the audiogenic convulsions in the lithium-pilocarpine model of status epilepticus (SE). The recordings were done from somatosensory, auditory and visual cortical areas, caudate nucleus, hippocampus and dorso-medial nucleus of thalamus. We found that SE was induced in Krushinskii-Molodkina rats by intramuscular injections of pilocarpine at a minimum dose of 15 mg/kg, while in Wistar rats with a dose of 25 mg/kg. We describe six successive EEG patterns during SE. We identified behavioral convulsive manifestations associated with each phase of the SE. Rats of both strains had the same sequence and the main properties of EEG patterns, except the latency of phase 1 (Krushinskii-Molodkina rats 13 + 3 min vs. Wistar rats 23 + 2 min). In conclusion, the rats with susceptibility to audiogenic seizures have increased sensitivity to the pilocarpine, but the development and time-course of SE in rats of both strains did not differ.
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