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Genetic and Rare Diseases Information Center (GARD)

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Congenital muscular dystrophy type 1A


Other Names for this Disease

  • LAMA2-related muscular dystrophy
  • Laminin alpha-2 deficiency
  • MDC1A
  • Merosin-deficient congenital muscular dystrophy
  • Merosin-negative congenital muscular dystrophy
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Overview

Congenital muscular dystrophy type 1A (MDC1A) belongs to a group of neuromuscular disorders that beings at birth or infancy and is characterized mainly by hypotonia, muscle weakness and muscle wasting. Other signs and symptoms include rigidity of the spine; scoliosis; and delayed, limited motor development, with most individuals needing assistive devices for mobility. Respiratory problems, feeding disorders and seizures may also occur. With time, affected individuals may develop an elongated face and ophthalmoplegia disorders (paralysis or weakness in muscles of the eye). Intellectual development is typically normal. The prognosis is poor, as many affected children do not reach adolescence. It is caused by mutations in the LAMA2 gene and is inherited in an autosomal recessive manner. Treatment is generally symptomatic and includes a multidisciplinary approach.[1]
Last updated: 9/26/2011

References

  1. M. Fardeau. Congenital muscular dystrophy type 1A. Orphanet. April 2009; http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=258. Accessed 9/26/2011.
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  • Medscape Reference provides information on this topic. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
  • The Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Congenital muscular dystrophy type 1A. Click on the link to view a sample search on this topic.

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Other Names for this Disease
  • LAMA2-related muscular dystrophy
  • Laminin alpha-2 deficiency
  • MDC1A
  • Merosin-deficient congenital muscular dystrophy
  • Merosin-negative congenital muscular dystrophy
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.