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Neurology India
Medknow Publications on behalf of the Neurological Society of India
ISSN: 0028-3886
EISSN: 1998-4022
Vol. 58, No. 3, 2010, pp. 436-440
Bioline Code: ni10110
Full paper language: English
Document type: Report
Document available free of charge

Neurology India, Vol. 58, No. 3, 2010, pp. 436-440

 en Clinical profile and molecular diagnosis in patients of facioscapulohumeral dystrophy from Indian subcontinent
Tamhankar, Parag M. & Phadke, Shubha R.

Abstract

Facioscapulohumeral dystrophy (FSHD) is an autosomal dominant muscular dystrophy. We retrospectively studied three families (two Indian, one Nepalese) with 12 affected members (male:female-7:5). Mean age at onset of weakness was 17.63 + 5.48 years. Patients were classified according to muscle groups affected (F-face, S-scapula, H-humeral, PG-pelvic girdle, P-peroneal, A-loss of independent ambulation): FSH-A (2), four FSH (4), SH (3), FSH-PG (2) and one: F (1). Progression of weakness was classified as F>S>P>PG in eight cases, S> F>P in one, static in three. Eleven patients had electromyographic findings suggestive of myopathy and one had features of neurogenic involvement. Molecular diagnosis was done by southern blotting using probe p13E-ni11 after digestion of genomic DNA with EcoRI and/or EcoRI/BlnI for twelve patients and three unaffected relatives. No EcoRI fragment smaller than 35 Kb was seen in unaffected subjects. Size of EcoRI fragment varied between 17 kb to 27 kb in affected subjects and was constant for affected members of the same family. Molecular diagnosis by southern blotting has helped to provide genetic counseling for the families.

Keywords
BlnI, facioscapulohumeral dystrophy, EcoRI, 4q35

 
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