Abstract:
:Capsule application of Diamidino Yellow (DY) to the cut end of the sciatic nerve immediately followed by capsule application of Fast Blue (FB) resulted in approximately 95% double-labelled dorsal root ganglion neurones (DRGn) and motoneurones (Mn). Nerve injection of DY followed either immediately or 2 months later by capsule application of FB resulted in approximately 90% double-labelled DRGn and Mn, indicating that DY and FB label similar populations of DRGn and Mn, and that insignificant DY fading occurred during this period. Inversing the order of application, however, i.e. nerve injection of FB followed immediately by capsule application of DY, resulted in double labelling in only approximately 10% of the DRGn and Mn. These percentages increased to 70% of the DRGn and 60% of the Mn when the FB injection was followed 1 or 2 months after by the DY application, indicating that DY uptake is blocked by recent administration of FB. The results indicate that DY and FB might be useful for sequential labelling before and after nerve injury as a tool to investigate the accuracy of sensory and motor regeneration.
journal_name
J Neurosci Methodsjournal_title
Journal of neuroscience methodsauthors
Puigdellívol-Sánchez A,Prats-Galino A,Ruano-Gil D,Molander Cdoi
10.1016/s0165-0270(99)00164-8subject
Has Abstractpub_date
2000-02-15 00:00:00pages
103-10issue
2eissn
0165-0270issn
1872-678Xpii
S0165027099001648journal_volume
95pub_type
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