Inhibition of calpains fails to improve regeneration through a peripheral nerve conduit

Intramuscular injection of the calpain inhibitor leupeptin promotes peripheral nerve regeneration in primates (Badalamente et al., 1989 [13]), and direct positive effects of leupeptin on axon outgrowth were observed in vitro (Hausott et al., 2012 [12]). In this study, we applied leupeptin (2mg/ml) d...

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Elmentve itt :
Bibliográfiai részletek
Szerzők: Hausner Tohmas
Marvaldi Letizia
Márton Gábor
Pajer Krisztián
Hopf Rudolf
Schmidhammer Robert
Hausott Barbara
Redl Heinz
Nógrádi Antal
Klimaschewski Lars
Dokumentumtípus: Cikk
Megjelent: 2014
Sorozat:NEUROSCIENCE LETTERS 566
doi:10.1016/j.neulet.2014.03.009

mtmt:2603745
Online Access:http://publicatio.bibl.u-szeged.hu/8979
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520 3 |a Intramuscular injection of the calpain inhibitor leupeptin promotes peripheral nerve regeneration in primates (Badalamente et al., 1989 [13]), and direct positive effects of leupeptin on axon outgrowth were observed in vitro (Hausott et al., 2012 [12]). In this study, we applied leupeptin (2mg/ml) directly to collagen-filled nerve conduits in the rat sciatic nerve transection model. Analysis of myelinated axons and retrogradely labeled motoneurons as well as functional 'CatWalk' video analysis did not reveal significant differences between vehicle controls and leupeptin treated animals. Therefore, leupeptin does not improve nerve regeneration via protease inhibition in regrowing axons or in surrounding Schwann cells following a single application to a peripheral nerve conduit suggesting indirect effects on motor endplate integrity if applied systemically. 
700 0 1 |a Marvaldi Letizia  |e aut 
700 0 1 |a Márton Gábor  |e aut 
700 0 1 |a Pajer Krisztián  |e aut 
700 0 1 |a Hopf Rudolf  |e aut 
700 0 1 |a Schmidhammer Robert  |e aut 
700 0 1 |a Hausott Barbara  |e aut 
700 0 1 |a Redl Heinz  |e aut 
700 0 1 |a Nógrádi Antal  |e aut 
700 0 1 |a Klimaschewski Lars  |e aut 
856 4 0 |u http://publicatio.bibl.u-szeged.hu/8979/2/2014_NSL_Leupeptin_post_print_u.pdf  |z Dokumentum-elérés  
856 4 0 |u http://publicatio.bibl.u-szeged.hu/8979/1/2014_NSL_Leupeptin_publisher_u.pdf  |z Dokumentum-elérés