biomarker of neuroplasticity

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biomarker of neuroplasticity

Postby Cece » Tue Nov 27, 2012 10:15 am ... id=5517461

Research on traumatic brain injury has turned up a new biomarker that measures neuroplasticity.
Within 2 weeks of their injury, all patients had diffusion tensor imaging (DTI) to assess the function of the axons, bundles of nerve fiber in the brain's white matter. DTI captures the direction of movement of water molecules along those nerve bundles -- fractional anisotropy -- which in healthy white matter is highly uniform, but after injury is typically less so.

However, Lipton said, studies have also shown instances of extremely high uniform movement of water molecules after injury -- a phenomenon known as abnormally high FA -- although it hasn't been clear why this occurs.

This could be looked at in MS. Low neuroplasticity might predict worse outcome, which might prompt more aggressive treatment such as Tysabri rather than one of the lesser DMDs.
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