Journal
EMBO REPORTS
Volume 14, Issue 2, Pages 184-190Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/embor.2012.215
Keywords
neuroblast; rostral migration; electric field; electrical corridors; purinergic receptor
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Funding
- California Institute of Regenerative Medicine [RB1-01417]
- NSF [MCB-0951199]
- NIH [1R01EY019101, RO1-DC010917, DC007592]
- UC Davis Dermatology Developmental Fund
- [S-CIRMTG1-GSTDW]
- [RS1-00453]
- Direct For Biological Sciences [0951199] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0846502] Funding Source: National Science Foundation
- Div Of Molecular and Cellular Bioscience [0951199] Funding Source: National Science Foundation
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Mechanisms that guide directional migration of neuroblasts from the subventricular zone (SVZ) are not well understood. We report here that endogenous electric currents serve as a guidance cue for neuroblast migration. We identify the existence of naturally occurring electric currents (1.5 +/- 0.6 mu A/cm(2), average field strength of similar to B3 mV/mm) along the rostral migration path in adult mouse brain. Electric fields of similar strength direct migration of neuroblasts from the SVZ in culture and in brain slices. The purinergic receptor P2Y1 mediates this migration. The results indicate that naturally occurring electric currents serve as a new guidance mechanism for rostral neuronal migration.
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