LMNA and muscular dystrophy: While at birth, wild-type, heterozygous and homozygous LMNA Δ8–11 mice are indistinguishable, after 2–3 weeks from birth, LMNA Δ8–11 −/− mice show a reduction in growth and display typical traits of muscular dystrophy, dying before 8 weeks of age [63].