Recovery of sciatic nerve with complete transection in rats treated with leuprolide acetate: A gonadotropin-releasing hormone agonist

被引:3
|
作者
Hernandez-Jasso, Irma [1 ]
Dominguez-del-Toro, Eduardo [2 ]
Delgado-Garcia, Jose M. [2 ]
Luis Quintanar, J. [1 ]
机构
[1] Autonomous Univ Aguascalientes, Basic Sci Ctr, Dept Physiol & Pharmacol, Lab Neurophysiol, Aguascalientes, Aguascalientes, Mexico
[2] Pablo de Olavide Univ, Div Neurosci, Seville, Spain
关键词
Gonadotropin-releasing hormone; Peripheral nerve injury; Nerve regeneration; Neurotrophic factor; Wistar rats;
D O I
10.1016/j.neulet.2020.135439
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
It has been reported that the Gonadotropin-releasing hormone (GnRH) and its agonist leuprolide acetate (LA) can act as promoters of nerve regeneration. The aim of this study is to evaluate the effect of LA in a complete transection model. Sciatic nerve injury (SNI) was performed using a complete nerve transection and immediately repaired by epineural sutures. Rats were divided into three groups: SHAM, SNI treated with LA (SNI + LA) or saline solution (SNI + SS) for 5 weeks. Sciatic nerve regeneration was evaluated by kinematic gait analyzes, electrophysiological, morphological and biochemical tests. SNI + LA group had a functional recovery in kinematic gait, an increase in ankle angle value and a faster walking speed, compound muscle action potential amplitude, nerve conduction velocity (NCV). Furthermore, the number of myelinated axons and microtubuleassociated protein 2 (MAP-2) expression were also higher compared to SS group. In conclusion, LA treatment improves of gait, walking speed, NCV, axons morphometry and MAP-2 expression in rats with sciatic nerve complete transection. These results suggest that LA can be a potential treatment for peripheral nerve injuries.
引用
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页数:7
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