期刊
BIOMEDICAL OPTICS EXPRESS
卷 4, 期 2, 页码 364-386出版社
OPTICAL SOC AMER
DOI: 10.1364/BOE.4.000364
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资金
- National Institutes of Health-National Eye Institute [R21EY021311]
- Legacy Good Samaritan Foundation
A technique was developed for assaying axonal transport in retinal ganglion cells using 2 mu l injections of 1% cholera toxin b-subunit conjugated to AlexaFluor488 (CTB). In vivo retinal and post-mortem brain imaging by confocal scanning laser ophthalmoscopy and post-mortem microscopy were performed. The transport of CTB was sensitive to colchicine, which disrupts axonal microtubules. The bulk rates of transport were determined to be approximately 80-90 mm/day (anterograde) and 160 mm/day (retrograde). Results demonstrate that axonal transport of CTB can be monitored in vivo in the rodent anterior visual pathway, is dependent on intact microtubules, and occurs by active transport mechanisms. (c) 2012 Optical Society of America
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