Clinically variable nemaline myopathy in a three-generation family caused by mutation of the skeletal muscle alpha-actin gene.

Abstract excerpt

We present here a Finnish nemaline myopathy family with a dominant mutation in the skeletal muscle α-actin gene, p.(Glu85Lys), segregating in three generations. The index patient, a 5-year-old boy, had the typical form of nemaline myopathy with congenital muscle weakness and motor milestones delayed but reached, while his mother never had sought medical attention for her very mild muscle weakness, and his...

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