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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-5415

Kilic, E; Spudich, A; Kilic, Ü; Rentsch, K M; Vig, R; Matter, C M; Wunderli-Allenspach, H; Fritschy, J M; Bassetti, C L; Hermann, D M (2008). ABCC1: a gateway for pharmacological compounds to the ischaemic brain. Brain: A Journal of Neurology, 131(Pt 10):2679-2689.

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By preventing access of drugs to the CNS, the blood-brain barrier hampers developments in brain pharmacotherapy. Strong efforts are currently being made to identify drugs that accumulate more efficaciously in ischaemic brain tissue. We identified an ATP-binding cassette (ABC) transporter, ABCC1, which is expressed on the abluminal surface of the brain capillary endothelium and mildly downregulated in response to focal cerebral ischaemia, induced by intraluminal middle cerebral artery occlusion. In biodistribution studies we show that ABCC1 promotes the accumulation of known neuroprotective and neurotoxic compounds in the ischaemic and non-ischaemic brain, ABCC1 deactivation reducing tissue concentrations by up to two orders of magnitude. As such, ABCC1's expression and functionality in the brain differs from the liver, spleen and testis, where ABCC1 is strongly expressed on parenchymal cells, resulting -- in case of liver and testis -- in directed transport from the tissue into the blood. After focal cerebral ischaemia, ABCC1 deactivation abolished the efficacy of both neuroprotective and neurotoxic compounds. Our data indicate that ABCC1 acts as gateway for pharmacological compounds to the stroke brain. We suggest that the tailoring of compounds binding to abluminal but not luminal ABC transporters may facilitate stroke pharmacotherapy.


25 citations in Web of Science®
30 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Pharmacology and Toxicology
04 Faculty of Medicine > University Hospital Zurich > Institute of Clinical Chemistry
04 Faculty of Medicine > University Hospital Zurich > Clinic for Neurology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
540 Chemistry
Date:October 2008
Deposited On:18 Nov 2008 07:48
Last Modified:05 Apr 2016 12:34
Publisher:Oxford University Press
Additional Information:This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Brain following peer review. The definitive publisher-authenticated version Brain 2008, 131(Pt 10):2679-2689. is available online at: http://brain.oxfordjournals.org/cgi/reprint/131/10/2679
Publisher DOI:10.1093/brain/awn222
PubMed ID:18796513

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