Abstract:
:During postnatal development of extensor digitorum longus (EDL) muscle, sodium withdrawal contractures were observed during the first 6 days after birth, and not after this time. In regenerating EDL muscles, zero-Na contractures were demonstrated: (1) 7 days after bupivacaine injection, but not 14 or 90 days after this injection; (2) 7, 14, and 90 days after autotransplantation; and (3) 7, 14, and 90 days after the intervention in sliced muscles. The present findings emphasize the role of the denervation in the development of zero-Na contractures in the regenerating muscles and suggest that a calcium-sodium exchange across the sarcolemma may appear in these muscles.
journal_name
Muscle Nervejournal_title
Muscle & nerveauthors
Louboutin JP,Noireaud Jdoi
10.1002/(sici)1097-4598(199811)21:11<1530::aid-mussubject
Has Abstractpub_date
1998-11-01 00:00:00pages
1530-2issue
11eissn
0148-639Xissn
1097-4598pii
10.1002/(SICI)1097-4598(199811)21:11<1530::AID-MUSjournal_volume
21pub_type
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