De novo mutation of Charcot-Marie-Tooth disease type 1A.

Abstract:

:Charcot-Marie-Tooth disease type 1A (CMT 1A) is an autosomal dominant demyelinating polyneuropathy associated with a 1.5-Mb duplication of the p11.2-p12 region of chromosome 17, including the peripheral myelin protein-22 (PMP-22) gene (CMT 1A duplication). We report a male patient with a de novo CMT 1A diagnosed on clinical, electrophysiologic, and molecular grounds. Motor nerve conduction velocity (MCV) of the patient was 10.9 m/s in the ulnar nerve. The MCV of both his parents was within the normal range. Southern blot analysis of BamHI digestion showed reduced intensity rate of SF85/PMP-22, indicating CMT 1A duplication. Haplotype analysis with pVAW4093a, demonstrated that the de novo CMT 1A duplication was of paternal origin.

journal_name

Pediatr Neurol

journal_title

Pediatric neurology

authors

Tachi N,Kozuka N,Ohya K,Chiba S

doi

10.1016/s0887-8994(97)80670-4

subject

Has Abstract

pub_date

1997-07-01 00:00:00

pages

67-9

issue

1

eissn

0887-8994

issn

1873-5150

pii

S0887899497806704

journal_volume

17

pub_type

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