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  • Title: Tracing axons in the peripheral nerve using lacZ gene recombinant adenovirus and its application to regeneration of the peripheral nerve.
    Author: Miwa H, Shibata M, Okado H, Hirano S.
    Journal: J Neuropathol Exp Neurol; 2001 Jul; 60(7):671-5. PubMed ID: 11444795.
    Abstract:
    The usefulness of recombinant adenovirus with LacZ to trace axons in the peripheral nervous system was investigated. Recombinant adenovirus with LacZ was applied to the cut end of the tibial nerve in rats. The LacZ gene product (B-galactosidase) filled axons of the tibial nerve, which permitted the continuous long-range tracing of axons. Further, the branching and the direction of the branches could also be examined. Labeled axons in the tibial nerves ran parallel to each other without branching and kept this relative position in the tibial and the sciatic nerve. When the virus was introduced to the regenerating nerve using a silicon tube, the regenerating fibers grew tortuously with short branches in the bulge at the proximal end of the silicon tube. The fibers grew straight in the tube and passed through the bulge at the distal end of the tube without branching. These observations indicate that the LacZ gene recombinant adenovirus is a useful tracer for the study of the peripheral nervous system and of the regeneration processes.
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