Congenital Fiber Type Disproportion

Common Name(s)

Congenital Fiber Type Disproportion, Congenital myopathy with fiber type disproportion

Congenital fiber type disproportion is a type of congenital myopathy. Congenital myopathy refers to a group of muscle disorders that appear at birth or in infancy. Early signs and symptoms of congenital fiber type disproportion include floppiness, limb and facial weakness, and breathing problems. It is a genetic disease caused by mutations in the ACTA1, SEPN1, RYR1 or TPM3 genes. Depending on the gene and mutation involved, congenital fiber type disproportion can be passed through families in an autosomal recessive, autosomal dominant, or X-linked manner.
 

Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Congenital Fiber Type Disproportion" for support, advocacy or research.

The RYR-1 Foundation

The primary goal of the Foundation is to find a cure for RYR-1 related muscle diseases. To achieve this goal, the Foundation has several missions: 1) Support Research 2) Physician Education 3) Patient/family support and advocacy

Last Updated: 16 Mar 2015

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Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Congenital Fiber Type Disproportion" for support, advocacy or research.

The RYR-1 Foundation

The primary goal of the Foundation is to find a cure for RYR-1 related muscle diseases. To achieve this goal, the Foundation has several missions: 1) Support Research 2) Physician Education 3) Patient/family support and advocacy

http://www.ryr1.org

Last Updated: 16 Mar 2015

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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 "Congenital Fiber Type Disproportion" returned 4 free, full-text research articles on human participants. First 3 results:

Mutations of tropomyosin 3 (TPM3) are common and associated with type 1 myofiber hypotrophy in congenital fiber type disproportion.
 

Author(s): Michael W Lawlor, Elizabeth T Dechene, Emily Roumm, Amelia S Geggel, Behzad Moghadaszadeh, Alan H Beggs

Journal: Hum. Mutat.. 2010 Feb;31(2):176-83.

 

Congenital fiber type disproportion (CFTD) is a rare congenital myopathy characterized by hypotonia and generalized muscle weakness. Pathologic diagnosis of CFTD is based on the presence of type 1 fiber hypotrophy of at least 12% in the absence of other notable pathological findings. ...

Last Updated: 1 Feb 2010

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Comparison of clinical characteristics between congenital fiber type disproportion myopathy and congenital myopathy with type 1 fiber predominance.
 

Author(s): Sang-Jun Na, Woo-Kyung Kim, Tai-Seung Kim, Seong-Woong Kang, Eun-Young Lee, Young-Chul Choi

Journal: Yonsei Med. J.. 2006 Aug;47(4):513-8.

 

Congenital myopathies are clinical and genetic heterogeneous disorders characterized by skeletal muscle weakness and specific structural changes in muscle fiber. Congenital myopathy with fiber type disproportion (CFTD) is an established disorder of congenital myopathy. CFTD is characterized ...

Last Updated: 30 Aug 2006

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Congenital fiber type disproportion: a rare type of congenital myopathy: a report of four cases.
 

Author(s): M C Sharma, A M Ralte, S K Atri, S Gulati, V Kalra, C Sarkar

Journal: Neurol India. 2004 Jun;52(2):254-6.

 

Congenital fiber type disproportion is a rare type of congenital myopathy which presents as hypotonia, delayed motor milestones and dysmorphic facies. During the past 2 years we received 449 muscle biopsies, of which 4 cases were diagnosed as congenital fiber type disproportion (CFTD). ...

Last Updated: 22 Jul 2004

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Reviews from the PubMed Database

Review articles summarize what is currently known about a disease. They discuss research previously published by others.
The terms "Congenital Fiber Type Disproportion" returned 0 free, full-text review articles on human participants.

 
 
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Clinical Trial Information This information is provided by ClinicalTrials.gov

Molecular and Genetic Studies of Congenital Myopathies
 

Status: Recruiting

Condition Summary: Central Core Disease; Centronuclear Myopathy; Congenital Fiber Type Disproportion; Multiminicore Disease; Myotubular Myopathy; Nemaline Myopathy; Rigid Spine Muscular Dystrophy; Undefined Congenital Myopathy

 

Last Updated: 8 Dec 2016

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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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