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Severe Neuropathy After Diphtheria-tetanus-pertussis Vaccination in a Child Carrying a Novel Frame-shift Mutation in the Small Heat-shock Protein 27 Gene

Overview
Journal J Child Neurol
Specialties Neurology
Pediatrics
Date 2009 May 14
PMID 19435728
Citations 9
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Abstract

Mutations in small heat-shock protein 27 and small heat-shock protein 22 genes were found in association with Charcot-Marie-Tooth disease type 2 and distal hereditary motor neuropathy. We searched for mutations in small heat-shock protein 27 gene in an Italian family with peripheral neuropathy and intrafamilial phenotypic variability. A novel heterozygous frame-shift mutation c.476_477delCT was found while point mutations in most genes associated with hereditary neuropathies were ruled out. In the proband, who showed a severe early onset peripheral neuropathy, an independent pathogenetic effect on the peripheral nervous system secondary to the tetanus toxoid injection may be supposed. This is the first truncating nonsense mutation in the small heat-shock protein 27 gene identified so far and the clinical, neurophysiologic, and neuropathological findings are discussed.

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