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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-10655

Kiening, K L; van Landeghem, F K H; Schreiber, S; Thomale, U W; von Deimling, A; Unterberg, A W; Stover, J F (2002). Decreased hemispheric Aquaporin-4 is linked to evolving brain edema following controlled cortical impact injury in rats. Neuroscience Letters, 324(2):105-108.

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The cerebral Aquaporin-4 (AQP4) water channel is suggested to be involved in brain edema formation aggravated by reduced cerebral blood flow early after traumatic brain injury (TBI). Therefore, the temporal profile of brain edema formation, AQP4 expression, and cortical perfusion were investigated following focal TBI in rats. Brain edema was maximal by 24 h. Concurrently, AQP4 protein expression was decreased in both hemispheres, being more pronounced in the traumatized hemisphere (-50%) 48 h after trauma. Cortical perfusion was only decreased in the ipsilateral cortex (-40%) between 4 and 8 h after trauma, reaching baseline values at 24 h. Globally reduced AQP4 expression following induction of a focal contusion coincides with edema development and seems to be independent of changes in cortical perfusion.


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Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Division of Surgical Intensive Care Medicine
Dewey Decimal Classification:610 Medicine & health
Date:17 May 2002
Deposited On:18 Sep 2009 09:41
Last Modified:05 Apr 2016 12:51
Publisher DOI:10.1016/S0304-3940(02)00180-5
PubMed ID:11988338

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