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From the Departments of Neurology (Drs. Pareyson, Lauria, and Sghirlanzoni), Experimental Neurosciences (Drs. Taroni, Botti, and Baratta), Neuropathology (Dr. Morbin), and Clinical Neurophysiology (Dr. Ciano), "C. Besta" National Neurological Institute, Milan, Italy.
Address reprint requests and correspondence to Dr. Davide Pareyson, Department of Neurology, "C. Besta" National Neurological Institute, Via Celoria 11, 20133 Milan, Italy; e-mail dpareys{at}tin.it
Mutations in the gene coding for the Schwann cell transcription factor early growth response 2 (EGR2), which seems to regulate myelinogenesis and hindbrain development, have been observed in few cases of inherited neuropathy. The authors describe a unique combination of cranial nerve deficits in one member of a Charcot-Marie-Tooth 1 family carrying an EGR2 mutation (Arg381His). This finding further supports the role of EGR2 in cranial nerve development.
Key words: Charcot-Marie-Tooth diseaseEGR2Cranial nervesMyelin genesDemyelinating neuropathy.
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