Journal
NEUROMUSCULAR DISORDERS
Volume 12, Issue 7-8, Pages 674-679Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0960-8966(02)00065-2
Keywords
nemaline (rod) myopathy; congenital myopathy; severe form; nebulin mutations
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Previously, we reported results indicating that nebulin was the gene causing the typical form of autosomal recessive nemaline (rod) myopathy. Here we describe the identification of mutations in the nebulin gene in seven offspring of five families affected by the severe congenital form of nemaline myopathy. One pregnancy was terminated on the grounds of foetal abnormality, while six affected infants died at ages ranging from the first day of life to 19 months. Only three of the six neonates were able to establish spontaneous respiration. Three had arthrogryposis. In three of the five families, the mutations were located in exon 184. These mutations are predicted to cause absence of the C-terminal part of nebulin. (C) 2002 Elsevier Science B.V. All rights reserved.
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