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Neuroreport. 1998 Dec 1;9(17):3967-70.

Novel insertion in the KSP region of the neurofilament heavy gene in amyotrophic lateral sclerosis (ALS).

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Department of Neurology, University of Newcastle upon Tyne, Royal Victoria Infirmary, Medical School, UK.


The abnormal assembly and accumulation of neurofilaments (NF) in the perikarya and proximal axons of motor neurones is a characteristic of ALS. Deletions in the KSP repeat region of the NF-H gene have previously been reported in seven patients with sporadic ALS. Here we report the identification of a novel 84 bp insertion in the NF-H gene. This leads to an extra four KSP repeat elements in a highly conserved repetitive region of the gene. Although neurofilament mutations are only associated with a very small proportion of ALS cases, this insertion provides further support of a role for neurofilaments in the pathogenesis of ALS.

[Indexed for MEDLINE]

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