Downregulation of myostatin pathway in neuromuscular diseases may explain challenges of anti-myostatin therapeutic approaches por Mariot, V, Joubert, R, Hourdé, C, Féasson, L, Hanna, M, Muntoni, F, Maisonobe, T, Servais, L, Bogni, C, Le Panse, R, Benvensite, O, Stojkovic, T, Machado, PM, Voit, T, Buj-Bello, A, Dumonceaux, J