Abstract
AbstractIt is well known that denervated adult newt limbs do not regenerate. Not understood is why denervated newt limb stumps fail to initiate regeneration upon reinnervation. In an effort to define the regeneration limiting factors, we examined the histology of long‐term denervated newt limb stumps and tested the effects of various kinds of reinjury. In 5‐week denervated limb stumps there were present dedifferentiated cells, differentiated cartilage, and densely packed layered cells. The epidermis covering the limb tip resembled skin epidermis rather than wound epidermis. The kinds of reinjury that were successful in restoring the regeneration capabilities to 5‐week denervated limb stumps included: reamputation (100%), a single razor incision (60%), and removal of the healed tissues from the distal limb tip (70%). The results of this study emphasize the importance of both injury and wound epidermis in initiating regeneration.
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Dates
Type | When |
---|---|
Created | 20 years, 2 months ago (June 11, 2005, 4:14 a.m.) |
Deposited | 1 year, 9 months ago (Nov. 12, 2023, 5:52 a.m.) |
Indexed | 1 year, 1 month ago (July 13, 2024, 2:38 a.m.) |
Issued | 44 years, 7 months ago (Feb. 1, 1981) |
Published | 44 years, 7 months ago (Feb. 1, 1981) |
Published Online | 20 years, 3 months ago (June 1, 2005) |
Published Print | 44 years, 7 months ago (Feb. 1, 1981) |
@article{Salley_1981, title={Responses of denervated adult newt limb stumps to reinnervation and reinjury}, volume={215}, ISSN={1097-010X}, url={http://dx.doi.org/10.1002/jez.1402150208}, DOI={10.1002/jez.1402150208}, number={2}, journal={Journal of Experimental Zoology}, publisher={Wiley}, author={Salley, Judith D. and Tassava, Roy A.}, year={1981}, month=feb, pages={183–189} }