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01-07-2011 | Original Communication

Cognitive profile and MRI findings in limb-girdle muscular dystrophy 2I

Authors: A. Palmieri, R. Manara, L. Bello, G. Mento, L. Lazzarini, C. Borsato, L. Bortolussi, C. Angelini, E. Pegoraro

Published in: Journal of Neurology | Issue 7/2011

Abstract

Limb-girdle muscular dystrophy 2I (LGMD2I) is a neuromuscular disorder with a heterogeneous phenotype. It is caused by mutations in the Fukutin Related Protein (FKRP) gene, which is ubiquitously expressed in human tissues. FKRP functions in CNS are largely unknown. To investigate possible cognitive impairment in LGMD2I and to describe brain MRI features. Ten LGMD2I patients (four males and six females, mean age 44 years, age range 19–69 years) were assessed with an extensive neuropsychological battery, psychopathological tests and neuromuscular specific quality-of-life questionnaire. Adults were compared with ten matched healthy controls. All patients underwent complete neurological examination, and nine underwent brain MRI scanning. Patients showed a fairly specific cognitive profile with mild impairment in executive functions and visuo-spatial planning without substantial impairment in global and logic IQ. MRI findings were heterogeneous: four patients showed non-specific white matter abnormalities; two patients showed moderate ventriculomegaly; three patients showed mild enlargement of subarachnoid spaces, without a specific pattern. Cerebellar atrophy was marked in one patient. Abnormal glycosylation of α-dystroglycan in LGMD2I may interfere with brain development and cognitive performances involving the frontal and posterior parietal regions, but does not result in specific brain MRI abnormalities.

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Title: Cognitive profile and MRI findings in limb-girdle muscular dystrophy 2I
Authors: A. Palmieri
R. Manara
L. Bello
G. Mento
L. Lazzarini
C. Borsato
L. Bortolussi
C. Angelini
E. Pegoraro
Publication date: 01-07-2011
Publisher: Springer-Verlag
Published in: Journal of Neurology / Issue 7/2011
Print ISSN: 0340-5354
Electronic ISSN: 1432-1459
DOI: https://doi.org/10.1007/s00415-011-5930-3

At a glance: The STEP trials

Springer Medicine

Cognitive profile and MRI findings in limb-girdle muscular dystrophy 2I

Abstract

At a glance: The STEP trials

Springer Medicine

Abstract

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