In vitro electrophoresis and in vivo electrophysiology of peripheral nerve using DC field stimulation.

Abstract:

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.

journal_name

J Neurosci Methods

authors

Madison RD,Robinson GA,Krarup C,Moldovan M,Li Q,Wilson WA

doi

10.1016/j.jneumeth.2014.01.018

subject

Has Abstract

pub_date

2014-03-30 00:00:00

pages

90-6

eissn

0165-0270

issn

1872-678X

pii

S0165-0270(14)00029-6

journal_volume

225

pub_type

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