News tagged with nerve axons

Axons' unexpected cytoskeleton structure

(Phys.org)—The plasma membranes that give cells their shapes are typically upheld by linear meshworks of the protein actin. In contrast, Howard Hughes Medical Institute scientists have now discovered that ...

Jan 28, 2013
5 / 5 (3) 0 | with audio podcast

A whole new meaning for thinking on your feet

Smithsonian researchers report that the brains of tiny spiders are so large that they fill their body cavities and overflow into their legs. As part of ongoing research to understand how miniaturization affects ...

Dec 12, 2011
4.9 / 5 (9) 3 | with audio podcast

Membrane molecule keeps nerve impulses hopping

New research from the University of North Carolina at Chapel Hill School of Medicine describes a key molecular mechanism in nerve fibers that ensures the rapid conductance of nervous system impulses. The findings ...

Jan 26, 2011
5 / 5 (1) 0

How injured nerves grow themselves back

Unlike nerves of the spinal cord, the peripheral nerves that connect our limbs and organs to the central nervous system have an astonishing ability to regenerate themselves after injury. Now, a new report in the October 1st ...

Sep 27, 2010
4.8 / 5 (11) 2 | with audio podcast

Improving recovery from spinal cord injury

Once damaged, nerves in the spinal cord normally cannot grow back and the only drug approved for treating these injuries does not enable nerve regrowth. Publishing online this week in the Early Edition of the Proceedings of ...

Jun 09, 2010
4.3 / 5 (3) 0 | with audio podcast

Targeted molecules play only minor role in axon repair

Neuroscientists at the University of California, San Diego School of Medicine have found that removing three key inhibitory molecules from myelin - the insulating material that surrounds nerve cell fibers - does not significantly ...

Jun 09, 2010
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Mild traumatic brain injury, not so mild after all

Douglas Smith, MD, director of the Center for Brain Injury and Repair and professor of Neurosurgery at the University of Pennsylvania School of Medicine, will present information on the molecular mechanism at play in mild ...

Feb 19, 2010
4.7 / 5 (3) 0