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2 posts from January 2009

30 January 2009

Astrocytes may ‘fine tune’ synaptic messages (The Dana Foundation Web Site - 30 December 2008)

Dana_logo Advances in biochemistry techniques have demonstrated that there is more to glial cells than meets the eye.  New work suggests that these cells play a role in 'fine-tuning' synaptic messages between neurons.  A piece about this work, as well as a sidebar exploring glia's connection to sensory function, appears on the Dana Foundation Web Site.

Excerpt:

For centuries, neuroscientists have pondered what role glial cells may play in behavior and cognition. Now, with advances in imaging and other techniques, they have started to closely investigate glial function. Two new studies suggest that astrocytes, a star-shaped type of glial cell, may directly participate with synapses to aid long-term potentiation (LTP) and long-term depression (LDP), processes linked to learning and memory...

(To read the rest of the article, click here).

Animal model provides clues into Multiple Sclerosis' heterogeneity (The Dana Foundation Web Site - 16 December 2008)

Dana_logo A story about new insights into why Multiple Sclerosis can manifest itself in such diverse ways appears on the Dana Foundation's Web site.

Excerpt:

Multiple sclerosis (MS) is a chronic, debilitating neurological disorder characterized by seemingly random tissue damage across the nervous system. But a new study by researchers at the University of Maryland School of Medicine and Washington University in St. Louis offers clues to understanding the disease’s innate heterogeneity—its apparently diverse effects...

(To read the rest of the article, click here).