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We present a 32-year-old Turkish male with juvenile amyotrophic lateral sclerosis 2 and a previously unrecognized homozygous deletion in exon 4 of the ALS2 gene (553delA). Disease progression is more rapid than in the ALS2 phenotype cases described to date. The patient's consanguineous parents carry the mutation in the heterozygous state as do his two(More)
Mutants of the human plasma transthyretin (TTR, prealbumin) have attracted interest due to their rather frequent association with the autosomal dominant disease familial amyloidotic polyneuropathy (FAP). Some three quarters of known TTR mutations produce electrically neutral amino acid substitutions undetectable via separation by charge. We have developed(More)
Infantile-onset ascending spastic paralysis (OMIM #607225) is a rare autosomal recessive early onset motor neuron disease caused by mutations in the gene ALS2. We report on a splice acceptor site mutation in intron 9 of ALS2 (IVS9-2A>T) in a German patient from nonconsanguineous parents. The mutation results in skipping of exon 10. This causes a frame-shift(More)
BACKGROUND A locus implicated in autosomal dominant cervical dystonia was assigned to chromosome 18p in 1 large family more than 15 years ago. This locus was designated DYT7. We reanalyzed the family clinically and genetically. METHODS Clinical reevaluation of all family members was performed. There was Sanger sequencing of candidate genes, SNP array(More)
Recently, we presented evidence that sulfite protects transthyretin (TTR) from normal human individuals and heterozygotes with amyloidogenic TTR mutations against the decay of tetramers into monomers. In this paper we demonstrate a stabilizing effect of sulfite on TTR tetramers from a familial amyloidotic polyneuropathy (FAP) patient homozygous for the(More)