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Effects of pioglitazone in the thalamus and anterior olfactory nuclei in the rat lithium- pilocarpine model of temporal lobe epilepsy


Župan, Gordana; Peternel, Sandra; Pilipović, Kristina; Blagaić, Ana; Hrelja, Ana
Effects of pioglitazone in the thalamus and anterior olfactory nuclei in the rat lithium- pilocarpine model of temporal lobe epilepsy // Abstracts of the 13th Congress of the European Federation of Neurological Societies ; u European Journal of Neurology. Volume 16 (2009) (S3) / Hillbom, Matti ; Schapira, Anthony (ur.).
Firenca: Wiley Blackwell Publishing, 2009. str. 159-159 (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
Effects of pioglitazone in the thalamus and anterior olfactory nuclei in the rat lithium- pilocarpine model of temporal lobe epilepsy

Autori
Župan, Gordana ; Peternel, Sandra ; Pilipović, Kristina ; Blagaić, Ana ; Hrelja, Ana

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Abstracts of the 13th Congress of the European Federation of Neurological Societies ; u European Journal of Neurology. Volume 16 (2009) (S3) / Hillbom, Matti ; Schapira, Anthony - Firenca : Wiley Blackwell Publishing, 2009, 159-159

Skup
13th Congress of the European Federation of Neurological Societies

Mjesto i datum
Firenca, Italija, 12-15.09.2009

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Pioglitazone; lipid peroxidation; COX-2; HSP70; status epilepticus; rat

Sažetak
Background and aims: Thalamus and anterior olfactory nuclei have been previously recognized as areas with the high level of acute neuronal loss in rodent models of temporal lobe epilepsy (TLE). These structures, being parts of the complex neuronal network within the limbic system, participate in the initiation and propagation of seizures and might contribute to the process of epileptogenesis. The purposes of this study were to investigate oxidative lipid damage, inflammation and endogenous neuroprotection in these brain structures during the early genesis of TLE as well as the effects of the PPAR-γ agonist pioglitazone on the examined parameters. Methods: SE was induced by administration of pilocarpine 22 h after lithium chloride and 30 min after methylscopolamine. Rats were injected with pioglitazone (1 ; 3 mg/kg) or vehicle i.p. 10 min after SE onset and sacrificed 24 h thereafter. Levels of the brain lipid peroxidation products were determined by the thiobarbituric acid reactive substances (TBARS) assay. COX-2 and HSP70 expressions were analyzed by Western blotting. Results: At 24 h after SE, TBARS level and HSP70 expression were unchanged and COX-2 was not detectable in the thalamus. In anterior olfactory nuclei, increased level of TBARS as well as enhanced expressions of COX-2 and HSP70 were detected. Treatment with pioglitazone resulted in enhanced HSP70 expression in the thalamus and reduced TBARS level in anterior olfactory nuclei, compared to levels obtained in vehicle-treated rats with SE. Conclusion: Pioglitazone exerts neuroprotective effects in the thalamus and anterior olfactory nuclei in the rat lithium- pilocarpine model of TLE.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti



POVEZANOST RADA


Projekt / tema
062-0620529-0519 - Epilepsija i traumatska ozljeda mozga: mehanizmi oštećenja i farmakoterapija (Gordana Župan, )

Ustanove
Medicinski fakultet, Rijeka

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE