Abstract:
:1. In the present study, the effects of the administration of adenosine on absence seizures were investigated in the Wistar Albino Glaxo/Rijswijk (WAG/Rij) strain of rats, which are an adequate model for human absence epilepsy. 2. After baseline electroencephalogram (EEG) recording, adenosine was injected intraperitoneally (i.p.) at doses of 6, 30 and 120 mg/kg and EEG recordings were continued for 1 h postinjection. In addition, to enable evaluation of the contribution of peripheral factors to the occurrence of spike-wave discharges (SWD) after adenosine injection, arterial blood pressure and rectal temperature were also recorded. 3. Injection of adenosine induced a dose-dependent increase in the appearance of SWD. The number and total duration of SWD were found to be significantly increased after 30 and 120 mg/kg adenosine (P < 0.05). Adenosine also induced a fall in both blood pressure and body temperature in all experimental groups. 4. These results show that peripheral administration of adenosine promotes absence seizures. It is likely that the lowering of blood pressure and body temperature and the activation of sensory afferents after adenosine injection may contribute to the facilitation of SWD observed in the present study.
journal_name
Clin Exp Pharmacol Physioljournal_title
Clinical and experimental pharmacology & physiologyauthors
Ilbay G,Sahin D,Karson A,Ates Ndoi
10.1046/j.1440-1681.2001.03499.xkeywords:
subject
Has Abstractpub_date
2001-08-01 00:00:00pages
643-6issue
8eissn
0305-1870issn
1440-1681pii
cep3499journal_volume
28pub_type
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