Article
Overexpression of the double homeodomain protein DUX4c interferes with myofibrillogenesis and induces clustering of myonuclei.
Skeletal muscle - 12 Jan 2018
Vanderplanck Céline, Tassin Alexandra, Ansseau Eugénie, Charron Sébastien, Wauters Armelle, Lancelot Céline, Vancutsem Kelly, Laoudj-Chenivesse Dalila, Belayew Alexandra, Coppée Frédérique
Abstract excerpt
BACKGROUND: Facioscapulohumeral muscular dystrophy (FSHD) is associated with DNA hypomethylation at the 4q35 D4Z4 repeat array. Both the causal gene DUX4 and its homolog DUX4c are induced. DUX4c is immunodetected in every myonucleus of proliferative cells, while DUX4 is present in only 1/1000 of myonuclei where it initiates a gene deregulation cascade. FSHD primary myoblasts differentiate into either atrophic or...
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