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Region Hovedstaden - en del af Københavns Universitetshospital
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In vitro electrophoresis and in vivo electrophysiology of peripheral nerve using DC field stimulation

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Vis graf over relationer

BACKGROUND: Given the movement of molecules within tissue that occurs naturally by endogenous electric fields, we examined the possibility of using a low-voltage DC field to move charged substances in rodent peripheral nerve in vitro.

NEW METHOD: Labeled sugar- and protein-based markers were applied to a rodent peroneal nerve and then a 5-10 V/cm field was used to move the molecules within the extra- and intraneural compartments. Physiological and anatomical nerve properties were also assessed using the same stimulation in vivo.

RESULTS: We demonstrate in vitro that charged and labeled compounds are capable of moving in a DC field along a nerve, and that the same field applied in vivo changes the excitability of the nerve, but without damage.

CONCLUSIONS: The results suggest that low-voltage electrophoresis could be used to move charged molecules, perhaps therapeutically, safely along peripheral nerves.

OriginalsprogEngelsk
TidsskriftJournal of Neuroscience Methods
Vol/bind225
Sider (fra-til)90-6
Antal sider7
ISSN0165-0270
DOI
StatusUdgivet - 30 mar. 2014

ID: 45134873