Regional distribution of cyclooxygenase-3 mRNA in the rat central nervous system.

Brain Res Mol Brain Res

Department of Physiology and Pharmacology, Wake Forest University Health Sciences, Medical Center Boulevard, Winston-Salem, NC 27157, USA.

Published: July 2004

We determined COX-3 mRNA expression in regions of the rat central nervous system (CNS). On a regional basis, levels were the highest in choroid plexus and spinal chord followed by pituitary gland, hypothalamus, hippocampus, medulla, cerebellum, and cortex. COX-3 mRNA levels were higher in major brain arteries, and dramatically higher in brain microvessels. Our results suggest that the expression pattern of COX-3 mRNA in the rat CNS primarily relates to the vascular density of a given region.

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http://dx.doi.org/10.1016/j.molbrainres.2004.03.015DOI Listing

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