Muscular Dystrophy, Limb-Girdle, Autosomal Recessive 27, is also known as lgmdr27. An important gene associated with Muscular Dystrophy, Limb-Girdle, Autosomal Recessive 27 is JAG2 (Jagged Canonical Notch Ligand 2). Affiliated tissues include skeletal muscle, and related phenotypes are proximal muscle weakness in lower limbs and proximal muscle weakness in upper limbs