Article
Subclinical phenotypic expressions in heterozygous females of X-linked recessive bulbospinal neuronopathy.
Journal of the neurological sciences - 1 Jul 1993
Sobue G, Doyu M, Kachi T, Yasuda T, Mukai E, Kumagai T, Mitsuma T
Abstract excerpt
Four of 8 definite heterozygous female carriers determined by PCR amplification of tandem CAG repeat of the AR gene, from 4 families of X-linked recessive bulbospinal neuronopathy (X-BSNP) showed extensive high amplitude motor unit potentials in examined muscles although all subjects were neurologically normal. Plasma creatine kinase, myoglobin, myosin light chain, lactate and pyruvate were all normal even in the...
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