Nemaline Myopathy - Genetic Qualities

Genetic Qualities

Nemaline myopathy is a clinically and genetically heterogeneous disorder. Both autosomal dominant and autosomal recessive forms occur. Genetic mutations found to be responsible for the disorder include

Gene Type OMIM Locus Notes
TPM3 NEM1 609284
NEB NEM2 256030 2q22
ACTA1 NEM3 161800 1q22-q23, 9p13.2-p13.1, 1q42.1
TPM2 NEM4 609285
TNNT1 NEM5 605355 19q13.4 Also known as Amish nemaline myopathy

The physical capabilities of a given person with NM do not correlate well either with genotype or with muscle pathology as observed in the biopsy.


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