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JCI early table of contents for Feb. 22, 2013
Date:2/22/2013

ut the central nervous system (CNS) does not have lymphatic vasculature and relies instead on a waste clearance pathway known as the glymphatic system. The glymphatic system cleans the cerebrospinal fluid (CSF) that surround the brain and spinal cord and relies on specialized CNS support cells known as glia. In this issue of the Journal of Clinical Investigation, researchers led by Helene Benveniste at Stony Brook University used MRI to visualize the glymphatic system in rats that had been given a fluorescent tracer. The whole brain images allowed Benveniste and colleagues to identify two key influx nodes in the brain. Additionally, they could measure the rate at which the fluorescent tracer was removed by the glymphatic system. Currently, amyloid plaques and other molecules that accumulate in diseases such as Alzheimer's and Huntington's disease cannot be visualized in live patients. In a companion commentary, Warren Strittmatter of Duke University discusses how this new technology could be used to track the development or progression of diseases in which the clearance of specific proteins is impaired.

TITLE:
Brain-wide pathway for waste clearance captured by contrast enhanced MRI

AUTHOR CONTACT:
Helene Benveniste
Stony Brook University Medical Center, Stony Brook, NY, USA
Phone: 631-624-7018; Fax: 631-444-2907; E-mail: helene.benveniste@stonybrookmedicine.edu

View this article at: http://www.jci.org/articles/view/67677?key=e3d4b4a78599273ea579

ACCOMPANYING COMMENTARY

TITLE:
Bathing the brain

AUTHOR CONTACT:
Warren James Strittmatter
Duke University Medical Center, Durham, NC, USA
Phone: 919-684-0053; Fax: 919-681-7198; E-mail: warren@neuro.duke.edu


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Contact: Jillian Hurst
press_releases@the-jci.org
Journal of Clinical Investigation
Source:Eurekalert

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