( ( Mutations ( in ( this gene ) ) ) ( ( cause ( ( the ( muscle ( wasting disease ) ) ) ( Duchenne ( muscular dystrophy ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Mutations)) (PP (IN in) (NP (DT this) (NN gene)))) (VP (VBP cause) (S (NP (DT the) (NN muscle) (NN wasting) (NN disease)) (VP (VB Duchenne) (NP (JJ muscular) (NN dystrophy))))) (. .)))
Mutations in this gene cause the muscle wasting disease Duchenne muscular dystrophy.
(ROOT (S (NP (JJ Muscular) (NN dystrophy)) (VP (VBZ is) (NP (DT a) (DT a) (NN wasting) (NN disease))) (. .)))