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Type: Artigo de periódico
Title: [nandrolone Administration Does Not Promote Hypertrophy Of Soleus Muscle In Rats].
Author: Cunha, Tatiana S
Tanno, Ana Paula
Marcondes, Fernanda K
Perez, Sérgio E A
Selistre-Araújo, Heloisa S
Abstract: Anabolic androgenic steroids (AAS) are compounds formed from testosterone or one of its derivatives, which are largely used by amateur e professional athletes to improve the athletic performance. However, the scientific information about the relation between the use of AAS and muscle hypertrophy is controversial. The aim of this study was to evaluate the effects of testosterone and physical training on muscle hypertrophy. Male Wistar rats received i.m. injections of Deca-Durabolin or vehicle during 6 weeks. Trained rats were submitted to a resistance physical training, by jumping up and down in water carrying an overload. Sedentary and trained animals were anesthetized and sacrificed. Soleus muscle was removed for the quantification of total protein and DNA concentration. In the end of the treatment, body weight of trained animals treated with vehicle or AAS was lower than the body weight of respective sedentary. Total protein concentration and the ratio muscle weight/body weight of all experimental groups were not altered. Trained group treated with AAS presented lower DNA concentration than trained group treated with vehicle. The administration of nandrolone decanoate did not promote hypertrophy on soleus muscle, not even when the use of AAS was associated to resistance physical training.
Subject: Anabolic Agents
Analysis Of Variance
Disease Models, Animal
Muscle, Skeletal
Physical Conditioning, Animal
Rats, Wistar
Citation: Arquivos Brasileiros De Endocrinologia E Metabologia. v. 50, n. 3, p. 532-40, 2006-Jun.
Rights: aberto
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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