2000
DOI: 10.1006/exnr.1999.7306
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Contraction-Induced Muscle Fiber Damage Is Increased in Soleus Muscle of Streptozotocin-Diabetic Rats and Is Associated with Elevated Expression of Brain-Derived Neurotrophic Factor mRNA in Muscle Fibers and Activated Satellite Cells

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Cited by 37 publications
(35 citation statements)
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“…Expression of BDNF in skeletal muscle satellite cells has been controversial (Copray et al, 2000;Liem et al, 2001). However, considering that levels of BDNF were highly correlated with that of Pax3 in adult skeletal muscles, and that BDNF was present in 64% of Pax7ϩ satellite cells, our results strongly suggest that BDNF is indeed expressed in satellite cells.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Expression of BDNF in skeletal muscle satellite cells has been controversial (Copray et al, 2000;Liem et al, 2001). However, considering that levels of BDNF were highly correlated with that of Pax3 in adult skeletal muscles, and that BDNF was present in 64% of Pax7ϩ satellite cells, our results strongly suggest that BDNF is indeed expressed in satellite cells.…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, the expression of BDNF is associated with developing myofibers, which later express myosin heavy chain (MyHC) IIB (Griesbeck et al, 1995;Mousavi et al, 2004). In contrast to developing muscle, the localization and role of BDNF in mature skeletal muscle has remained controversial (Copray et al, 2000;Liem et al, 2001). Here, we examined the expression and localization of BDNF in synaptic and extrasynaptic regions of mature diaphragm skeletal muscle.…”
Section: Introductionmentioning
confidence: 99%
“…Impaired regeneration and delayed recovery following muscle injury is a serious complication of diabetes mellitus (Vignaud et al 2007), and multiple lines of evidence suggest that muscle regeneration is impaired also in hyperglycemic and drug-induced diabetic rodents (Gulati and Swamy 1991;Copray et al 2000), suggesting that hyperglycemia promotes an environment unfavorable for the normal function of muscle stem cells (Gulati and Swamy 1991;Vignaud et al 2007). One mechanism by which diabetes may impair satellite cell function is by promoting chronic inflammation, which can inhibit satellite cell activation within the muscle (Tang et al 2010).…”
Section: Metabolic Regulation Of Muscle Stem Cellsmentioning
confidence: 99%
“…Isto pode estar relacionado com o fato de que o músculo EDL dos ratos diabéticos apresentou resistência à fadiga semelhante ao controle, enquanto que no sóleo observou-se fadiga precoce tanto no tempo de sustentação da tetania quanto na manutenção da força durante 10 contrações tetânicas. O músculo sóleo de ratos diabéticos é também mais susceptível à lesão induzida por contração tetânica que o EDL (Copray et al, 2000).…”
Section: Diabético Vs Controle Sóleo Edlunclassified
“…Estas alterações estão relacionadas ao estresse oxidativo no camundongo mutante, já que o tratamento com antioxidantes restaura o conteúdo muscular de ATP, indicativo de proteção da função mitocondrial (Kuwahara et al, 2010). A redução da densidade e integridade mitocondriais observada no músculo esquelético de animais diabéticos também é restaurada pelo tratamento com NAC (Bonnard et al, 2008 O músculo sóleo de ratos diabéticos é mais susceptível à lesão induzida por contração tetânica que o EDL (Copray et al, 2000). Como já foi demonstrado que o NAC reduz a fadiga muscular (Medved et al, 2004;Powers, Jackson 2008;Reid et al, 1994) e atenua a lesão induzida por contração , este pode ser outro mecanismo pelo qual o efeito do NAC no protocolo de fadiga foi mais pronunciado no músculo sóleo.…”
Section: +unclassified