A fourth case of POMT2-related limb girdle muscle dystrophy with mild reduction of α-dystroglycan glycosylation

S Saredi, S Gibertini, A Ardissone, I Fusco, S Zanotti, F Blasevich, L Morandi, I Moroni, M Mora
European Journal of Paediatric Neurology: EJPN 2014, 18 (3): 404-8

BACKGROUND: POMT2 mutations have been identified in Walker-Warburg syndrome or muscle-eye-brain-like, but rarely in limb girdle muscular dystrophy (LGMD).

RESULTS: Two POMT2 mutations, one null and one missense, were found in a patient with LGMD and mild mental impairment, no brain or ocular involvement, minor histopathological features, and slight reduction of α-dystroglycan (α-DG) glycosylation and α-DG laminin binding.

CONCLUSIONS: Our case, the fourth LGMD POMT2-mutated reported to date, provides further evidence of correlation between level of α-DG glycosylation and phenotype severity.

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