Article
No evidence of association between apolipoprotein E genotype and phenotypic severity in childhood onset proximal spinal muscular atrophy.
Neuromuscular disorders : NMD - 1 Oct 1999
Morrison K E, Steers G, Dubowitz V
Abstract excerpt
The survival motor neuron (SMN) gene is present in two copies on chromosome 5q13 and the evidence is now compelling that mutations in the telomeric copy (SMNt) of the gene underlie childhood onset proximal spinal muscular atrophy (SMA). There is a correlation between the number of centromeric SMN gene copies (SMNc) and the clinical severity of the disease but this relationship is not absolute. Allelic variants of...
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