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Articles tagged with Hypotonia

  • SMN-Negative Spinal Muscular Atrophy Panel

    Spinal muscular atrophies (SMAs) are hereditary degenerative disorders of lower motor neurons associated with progressive muscle weakness and atrophy. The onset of muscle weakness ranges from the prenatal period to adolescence or young adulthood, with infantile-onset SMA being the most common…

  • A Variant in NUDT2 Causes a Recessive Neurodevelopmental Disorder

    A recent study on 337 patients with various forms of intellectual disability proposed the homozygous nonsense variant c.34C>T (p.Arg12*) in NUDT2 to underlie global developmental delay in 2 affected sisters.

  • Nemaline Myopathy

    Nemaline myopathy (NEM, NM) is one of the most common congenital myopathies characterized by hypotonia, weakness, and absent deep tendon reflexes. Muscle weakness is usually most severe in the face, the neck flexors, and the proximal limb muscles. Nemaline myopathies (NEM) include at least six forms…