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Step forward in research into new treatments for brain edema
Date:3/19/2012

Cerebral edemas are accumulations of fluid into the intra- or extracellular spaces of the brain and it can result from several factors such as stroke or head trauma, among others.

Cerebral edema is a serious problem in neurology. While in other organs swelling does not lead to an urgent situation, in the brain it leads to coma and death. Although there are therapeutic solutions such as surgery, more effective treatments are needed.

Megalencephalic leukoencephalopathy with subcortical cysts (MLC) is a rare type of leukodystrophy (affects the white matter) of genetic origin. MLC can be considered as a model of chronic edema, as patients suffering from birth a high accumulation of water.

A study of the pathophysiology of this rare disease has uncovered one mechanism that destabilizes the homeostatic balance of brain cells causing edema. This study is published in the latest issue of the journal Neuron. The journal accompanies the paper with a commentary of the editor and an explanatory video on its website.

Researchers from IDIBELL, the University of Barcelona (UB) and CIBERER (Spanish Network Research Centre on Rare Diseases) have found that one function of the protein GlialCAM, which is genetically altered in patients with MLC, is to regulate the activity of the channel that allows the passage of chloride ions between brain cells to regulate ion and fluid balance.

When this protein is lacked, the channel is not working properly and the fluid builds up in the brain glial cells forming edema.

Raul Estevez, director of this work, and Virginia Nunes, a partner of the study, believe that the importance of this finding is twofold. "On one hand", explains Virginia Nunes, "it allows us to better understand the pathophysiology of this disease minority" and "on the other hand", Raul Estevez continues, "we have identified a mechanism that can open doors to treatments based on the activation of this channel to res
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Contact: Arantxa Mena
comunicacio@idibell.cat
IDIBELL-Bellvitge Biomedical Research Institute
Source:Eurekalert

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