Cap myopathy

Common Name(s)

Cap myopathy, Cap disease, Congenital myopathy with caps

Cap myopathy is a disorder that primarily affects skeletal muscles, the muscles that the body uses for movement. People with cap myopathy have muscle weakness (myopathy) and poor muscle tone (hypotonia) throughout the body, but they are most severely affected in the muscles of the face, neck, and limbs. The muscle weakness, which begins at birth or during childhood, can worsen over time. The name cap myopathy comes from characteristic abnormal cap-like structures that can be seen in muscle cells when muscle tissue is viewed under a microscope. The severity of cap myopathy is related to the percentage of muscle cells that have these caps. Individuals in whom 70 to 75 percent of muscle cells have caps typically have severe breathing problems and may not survive childhood, while those in whom 10 to 30 percent of muscle cells have caps have milder symptoms and can live into adulthood. Cap myopathy can be caused by mutations in the in the ACTA1, TPM2, or TPM3 genes. This condition follows an autosomal dominant manner of inheritance, however, most cases are not inherited; they result from new mutations in the gene and occur in people with no history of the disorder in their family.
 

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Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Cap myopathy" for support, advocacy or research.

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Scientific Literature

Articles from the PubMed Database

Research articles describe the outcome of a single study. They are the published results of original research.
The terms "Cap myopathy" returned 1 free, full-text research articles on human participants. First 3 results:

[Cap myopathy: a case report].
 

Author(s): N Muñoz-Jareño, A López-Martínez, D Martín Fernández-Mayoralas, T Meizoso-Latova, A Cabello

Journal: Rev Neurol. ;45(11):669-71.

 

To report a new case of a little-known congenital myopathy. Cap myopathy is a rare congenital disease caused by an alteration in the structure of the fibre, with disorganised myofibrils at the edges. Since it was first described, only a few cases have been reported in the literature.

Last Updated: 30 Nov 2007

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Reviews from the PubMed Database

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The terms "Cap myopathy" returned 0 free, full-text review articles on human participants.

 
 
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Clinical Trial Information This information is provided by ClinicalTrials.gov

Congenital Muscle Disease Study of Patient and Family Reported Medical Information
 

Status: Recruiting

Condition Summary: Congenital Muscular Dystrophy (Including Unspecified/Undiagnosed); Dystroglycanopathy; Congenital Fiber Type Disproportion; Rigid Spine Muscular Dystrophy; Congenital Myopathy (Including Unspecified/Undiagnosed); Collagen VI CMD (Ullrich CMD, Intermediate, Bethlem Myopathy); Laminin Alpha 2 Related Congenital Muscular Dystrophy; LAMA2-CMD/Merosin Deficient/MDC1A; Walker-Warburg Syndrome; Muscle-Eye-Brain Disease; Fukuyama/Fukutin Related Muscular Dystrophy; Integrin Alpha 7 Deficiency; Integrin Alpha 9 Deficiency; LMNA-CMD/Lamin A/C/Laminopathy; SEPN1-Related Myopathy; Bethlem Myopathy; Actin Aggregation Myopathy; Cap Disease; Central Core Disease; Centronuclear Myopathy; Core Rod Myopathy; Hyaline Body Myopathy; Multiminicore Myopathy; Myotubular Myopathy; Nemaline Myopathy; Tubular Aggregate Myopathy; Zebra Body Myopathy; Reducing Body Myopathy; Spheroid Body Myopathy; LGMD1B (LMNA); LGMD1E (DES); LGMD2G (TCAP); LGMD2H (TRIM32); LGMD2I (FKRP); LGMD2J (TTN); LGMD2K (POMT1); LGMD2M (FKTN); LGMD2N (POMT2); LGMD2O (POMGnT1); LGMD2P (DAG1); LGMD2Q (PLEC1); LGMD2R (DES); LGMD2S (TRAPPC11); LGMD2T (GMPPB); LGMD2U (ISPD); LGMD2V (GAA); Ullrich Congenital Muscular Dystrophy; Titinopathy; Choline Kinase B Receptor; Emery-Dreifuss Muscular Dystrophy; RYR1 Related Myopathy; SYNE1/Nesprin Related Muscular Dystrophy; Telethonin Related Muscular Dystrophy (TCAP/Titin-Cap); Congenital Myasthenic Syndrome; Escobar Syndrome; Myofibrillar Myopathy; Malignant Hyperthermia; Alpha-Dystroglycan Related Muscular Dystrophy (DAG1, DPM1, DPM2, DPM3, FKRP, FKTN); Alpha-Dystroglycan Related Muscular Dystrophy (GAA, ISPD, LARGE, POMT1, POMT2, POMGnT1); Alpha-Dystroglycan Related Muscular Dystrophy (Unspecified/Undiagnosed/Other)

 

Last Updated: 5 May 2017

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RTA 408 Capsules in Patients With Mitochondrial Myopathy - MOTOR
 

Status: Recruiting

Condition Summary: MItochondrial Myopathies

 

Last Updated: 14 Nov 2016

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Clinical Study on the Safety of CNT-02 for TGCV and NLSD-M
 

Status: Recruiting

Condition Summary: Primary Triglyceride Deposit Cardiomyovasculopathy (TGCV); Neutral Lipid Storage Disease With Myopathy (NLSD-M)

 

Last Updated: 18 Jul 2016

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