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BackgroundCachexia is a multiorganic syndrome associated with cancer, characterized by body weight loss, muscle and adipose tissue wasting and inflammation.MethodsThe aim of this investigation was to examine the effect of the soluble receptor antagonist of myostatin (sActRIIB) in cachectic tumor-bearing animals analyzing changes in muscle proteolysis and in quality of life.ResultsAdministration of sActRIIB resulted in an improvement in body and muscle weights. Administration of the soluble receptor antagonist of myostatin also resulted in an improvement in the muscle force.ConclusionsThese results suggest that blocking myostatin pathway could be a promising therapeutic strategy for the treatment of cancer cachexia.

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