Neuronal tumour necrosis factor-alpha and interleukin-1beta expression in a porcine model of intracerebral haemorrhage Modulation by U-74389G /

Tumour necrosis factor alpha (TNF-alpha) and interleukin 1beta (IL-1beta) are important mediators of intracerebral haemorrhage (ICH) inflammatory response. Lazaroids, established antioxidants and neuroprotectants, have been studied in several brain pathologies. The present study was designed to inve...

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Elmentve itt :
Bibliográfiai részletek
Szerzők: Bimpis Alexios
Papalois Apostolos
Voumvourakis Konstantinos
Oláh Orsolya
Tiszlavicz László
Liapi Charis
Dokumentumtípus: Cikk
Megjelent: Elsevier 2015
Sorozat:BRAIN RESEARCH 1615
doi:10.1016/j.brainres.2015.04.034

mtmt:2907577
Online Access:http://publicatio.bibl.u-szeged.hu/10159
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245 1 0 |a Neuronal tumour necrosis factor-alpha and interleukin-1beta expression in a porcine model of intracerebral haemorrhage  |h [elektronikus dokumentum] :  |b Modulation by U-74389G /  |c  Bimpis Alexios 
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490 0 |a BRAIN RESEARCH  |v 1615 
520 3 |a Tumour necrosis factor alpha (TNF-alpha) and interleukin 1beta (IL-1beta) are important mediators of intracerebral haemorrhage (ICH) inflammatory response. Lazaroids, established antioxidants and neuroprotectants, have been studied in several brain pathologies. The present study was designed to investigate: a) TNF-alpha and IL-1beta changes, in neurons and b) U-74389G effects, 4 and 24h after haematoma induction in a porcine model of intracerebral haemorrhage. In twenty male landrace pigs (swines) aged 135-150 days old, autologous whole blood was injected around the right basal ganglia territory; in ten of the pigs the lazaroid compound U-74389G was administered. Brain TNF-alpha and IL-1beta immunopositive neurons were determined by immunoarray techniques at 4 and 24h timepoints. After the haematoma induction the number of TNF-alpha immunopositive neurons ipsilateral to the haematoma was significantly higher compared to the contralateral site at 4h (p<0.0005), while U-74389G significantly reduced the number of TNF-alpha immunopositive neurons, ipsilateral to the haematoma, at 4h (p=0.002); at 24h, TNF-alpha immunopositive neurons were found significantly lower in the control group ipsilateral to the haematoma in comparison to 4h timepoint(p<0.0005). The number of IL-1beta immunopositive neurons at 4h after the hematoma induction was significantly higher ipsilateral to the haematoma site (p<0.0005). U-74389G had no statistical significant effect. TNF-alpha and IL-1beta, increase in neurons, 4h after the haematoma induction, ipsilateral to the haematoma site. The administration of the antioxidant compound U-74389G, results in early (at 4h) decrease of TNF-alpha immunopositive neurons but shows no statistical significant effect to IL-1beta immunopossitive neurons. 
700 0 1 |a Papalois Apostolos  |e aut 
700 0 1 |a Voumvourakis Konstantinos  |e aut 
700 0 1 |a Oláh Orsolya  |e aut 
700 0 1 |a Tiszlavicz László  |e aut 
700 0 1 |a Liapi Charis  |e aut 
856 4 0 |u http://publicatio.bibl.u-szeged.hu/10159/1/Neuronal_tumour_necrosis_u.pdf  |z Dokumentum-elérés