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Thomsen or Becker myotonia? A novel autosomal recessive nonsense mutation in the CLCN1 gene associated with a mild phenotype
(WILEY-BLACKWELLMALDEN, 2012)
We describe a large Brazilian consanguineous kindred with 3 clinically affected patients with a Thomsen myotonia phenotype. They carry a novel homozygous nonsense mutation in the CLCN1 gene (K248X). None of the 6 heterozygote ...
Botulinum toxin for treating unilateral apraxia of eyelid opening in a patient with congenital myotonia
(2017-01-01)
A 37-year-old female presented with severe apraxia of lid opening (ALO) affecting the right upper lid associated with Becker congenital myotonia (MC). The patient had a history of right upper lid ptosis for 25 years that ...
Clinical and molecular diagnosis of a Costa Rican family with autosomal recessive myotonia congenital (Becker disease) carrying a new mutation in the CLCN1 gene
(Revista de Biología Tropical 56(1) p.1-11, 2006-08-18)
Myotonia congenita is a muscular disease characterized by myotonia, hypertrophy, and stiffness. It
is inherited as either autosomal dominant or recessive known as Thomsen and Becker diseases, respectively.
Here we confirm ...
Clinical and molecular diagnosis of a Costa Rican family with autosomal recessive myotonia congenital (Becker disease) carrying a new mutation in the CLCN1 gene
(Revista de Biología Tropical 56(1) p.1-11, 2006-08-18)
Myotonia congenita is a muscular disease characterized by myotonia, hypertrophy, and stiffness. It
is inherited as either autosomal dominant or recessive known as Thomsen and Becker diseases, respectively.
Here we confirm ...
Reduced current density and surface expression of a CLCN1 mutation causing dominant or recessive myotonia in Costa Rica
(2014)
Mutations in CLCN1 coding for the muscle ClC-1 Cl- channel lead to dominant (Thomsen's disease) of recessive (Becker's disease) myotonia. Here we characterized several CLCN1 mutations identified in Costa Rica myotonia ...
Miotonía congénita: reporte de un caso
Becker syndrome is a congenital myotonia of autosomal recessive inheritance that is produced by mutations in the skeletal muscle chlorine gene (CLCN1) leading to a defect in its function. It generally begins in childhood ...