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Experimental treatm...
Experimental treatment for focal hyperglycemic ischemic brain injury in the rat
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- Farrokhnia, Nasim (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Stroke Unit
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- Roos, Magnus (författare)
- Uppsala universitet,Klinisk fysiologi
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- Terént, Andreas (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Stroke Unit
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- Lennmyr, Fredrik (författare)
- Uppsala universitet,Anestesiologi och intensivvård
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(creator_code:org_t)
- 2005-11-01
- 2005
- Engelska.
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Ingår i: Experimental Brain Research. - : Springer Science and Business Media LLC. - 0014-4819 .- 1432-1106. ; 167:2, s. 310-314
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Hyperglycemia aggravates ischemic brain injury, possibly due to the activation of signaling pathways involving reactive oxygen species, Src and mitogen-activated protein kinases. The aim of this study was to investigate the effects of the spin trap agent alpha-phenyl-N-tert-butyl nitrone (PBN), the Src family kinase inhibitor PP2 and the MEK1-inhibitor U0126 on focal hyperglycemic ischemic brain injury. Temporary middle cerebral artery occlusion (90 min) was induced in four groups of rats (PBN, PP2, and U0126 vs. control). Neurological testing and tetrazolium red staining were performed after 1 day. PBN decreased the infarct volume by 70% compared with the control (P<0.05) and a tendency towards reduced infarcts was seen in the PP2 or U0126 groups. Furthermore, neurological testing was consistent with the volumetric analysis. In conclusion, PBN appears to be a potential neuroprotective agent in hyperglycemic, focal ischemic brain injury, while the efficacy of PP2 and U0126 could not be confirmed by the present data.
Nyckelord
- Animals
- Blood Glucose/physiology
- Body Temperature/physiology
- Brain Ischemia/pathology/*prevention & control
- Butadienes/therapeutic use
- Carbon Dioxide/blood
- Comparative Study
- Enzyme Inhibitors/therapeutic use
- Hyperglycemia/*complications/pathology
- Male
- Neurologic Examination/methods
- Neuroprotective Agents/*therapeutic use
- Nitriles/therapeutic use
- Nitrogen Oxides/*therapeutic use
- Oxygen/blood
- Pyrimidines/therapeutic use
- Rats
- Rats; Sprague-Dawley
- Research Support; Non-U.S. Gov't
- Tetrazolium Salts/diagnostic use
- Time Factors
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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