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Effect of basic fibroblast growth factor through silicon tube on denervated skeletal muscle / 中国组织工程研究
Chinese Journal of Tissue Engineering Research ; (53)2007.
Artigo em Chinês | WPRIM | ID: wpr-591555
ABSTRACT

BACKGROUND:

The denervated skeletal muscle is chiefly characteristic as the loss of neurotrophic factor, which may cause the muscle atrophy degeneration and fibrosis.

OBJECTIVE:

To investigate the effect on the muscle satellite cells and muscle atrophy by the implantation of basic fibroblast growth factor (bFGF) released through silicon tube in the gastrocnemius. DESIGN, TIME AND

SETTING:

Randomly control animal experiment was finished at the Animal Experiment Laboratory of Shenyang Medical College Fengtian Hospital in November 2006. MATERIALS Twenty-eight Wistar healthy male rats (weighing 250-300 g) were adopted. Silicon tube was prepared by the encapsulation with bFGF or physiological saline, and sealed with 502 glue.

METHODS:

The sciatic nerve of left lower limb was cut off, and then gastrocnemius was taken out. All of 28 Wistar rats were divided into experiment group and control group randomly, each group involved 14 rats. The experimental gastrocnemius was encapsulated with silicon tube containing bFGF, while the control group with physiological saline. MAIN OUTCOME

MEASURES:

At day 30 postoperatively, the following indicators were evaluated wet weight of gastrocnemius and wave amplitude of muscle fibrillation potential; proliferating cell nuclear antigen positive nuclei on surface of muscle fibers, diameter and section area of gastrocnemius fiber under light microscope; ultrastructure of gastrocnemius under electron microscope.

RESULTS:

The number of muscle satellite cell nuclei in the experimental group was more than that in the control group (P
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Tissue Engineering Research Ano de publicação: 2007 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Tissue Engineering Research Ano de publicação: 2007 Tipo de documento: Artigo