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Na V 1.6 Co-localizes with cytoskeletal F-actin, vimentin in TMP- human<br />

monocytic cell line, and in primary human macrophages<br />

shRNA knockdown of Na V 1.6, and Na channel block with TTX and<br />

phenytoin inhibit macrophage and microglial migration<br />

NaV1.6<br />

F-actin (phalloidin)<br />

Merge+DAPI<br />

Carrithers et al, J. Immunol. 2007<br />

Carrithers et al, JBC, 2008<br />

Microglia/6.3x10 5 m 2<br />

90<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

*<br />

#<br />

ACM ACM +<br />

ATP<br />

ACM +<br />

ATP +<br />

ACM +<br />

ATP +<br />

0.3 M TTX 10 M TTX<br />

#<br />

Black et al, Glia, 2009

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