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Limb-girdle muscular dystrophy type 2I


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Other Names:
Autosomal recessive limb-girdle muscular dystrophy type 2I; LGMD2I; Limb-girdle muscular dystrophy due to FKRP deficiency; Autosomal recessive limb-girdle muscular dystrophy type 2I; LGMD2I; Limb-girdle muscular dystrophy due to FKRP deficiency; Muscular dystrophy-dystroglycanopathy (limb-girdle), type C, 5 ; FKRP-related limb-girdle muscular dystrophy R9; FKRP-related LGMD R9; LGMD due to FKRP deficiency; LGMD type 2I See More
Categories:
Congenital and Genetic Diseases; Metabolic disorders; Nervous System Diseases
This disease is grouped under:
Limb-girdle muscular dystrophy

Summary Summary


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Limb-girdle muscular dystrophy type 2I (LGMD2I) is a form of limb-girdle muscular dystrophy, which refers to a group of conditions that cause weakness and wasting of the muscles in the arms and legs. The proximal muscles (those closest to the body such as the upper arms and thighs) are generally most affected by the condition.[1] In LGMD2I, specifically, signs and symptoms often develop in late childhood (average age 11.5 years) and may include difficulty running and walking. The symptoms gradually worsen overtime and affected people generally rely on a wheelchair for mobility approximately 23-26 years after onset.[2] LGMD2I is caused by changes (mutations) in the FKRP gene and is inherited in an autosomal recessive manner.[2][3] There is, unfortunately, no cure for LGMD2I and treatment is based on the signs and symptoms present in each person.[2]
Last updated: 12/21/2015

Symptoms Symptoms


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This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

Showing of 35 |
Medical Terms Other Names
Learn More:
HPO ID
80%-99% of people have these symptoms
Elevated serum creatine kinase
Elevated blood creatine phosphokinase
Elevated circulating creatine phosphokinase
Elevated creatine kinase
Elevated serum CPK
Elevated serum creatine phosphokinase
High serum creatine kinase
Increased CPK
Increased creatine kinase
Increased creatine phosphokinase
Increased serum CK
Increased serum creatine kinase
Increased serum creatine phosphokinase
[ more ]
0003236
Muscular dystrophy 0003560
Proximal muscle weakness
Weakness in muscles of upper arms and upper legs
0003701
Reduced muscle fiber alpha dystroglycan 0030099
30%-79% of people have these symptoms
Abnormality of the Achilles tendon 0005109
Calf muscle hypertrophy
Increased size of calf muscles
0008981
Generalized hypotonia
Decreased muscle tone
Low muscle tone
[ more ]
0001290
Pelvic girdle muscle weakness 0003749
Shoulder girdle muscle weakness
Weak shoulder muscles
0003547
Waddling gait
'Waddling' gait
Waddling walk
[ more ]
0002515
5%-29% of people have these symptoms
Difficulty climbing stairs
Difficulty walking up stairs
0003551
Difficulty running 0009046
Dilated cardiomyopathy
Stretched and thinned heart muscle
0001644
Frequent falls 0002359
Motor delay 0001270
Reduced muscle fiber merosin 0030092
Scoliosis 0002650
1%-4% of people have these symptoms
Exercise-induced myoglobinuria 0008305
Percent of people who have these symptoms is not available through HPO
Abnormal left ventricular function 0005162
Achilles tendon contracture
Shortening of the achilles tendon
Tight achilles tendon
[ more ]
0001771
Autosomal recessive inheritance 0000007
Congenital muscular dystrophy 0003741
Difficulty walking
Difficulty in walking
0002355
Hyperlordosis
Prominent swayback
0003307
Kyphosis
Hunched back
Round back
[ more ]
0002808
Macroglossia
Abnormally large tongue
Increased size of tongue
Large tongue
[ more ]
0000158
Muscle spasm 0003394
Myalgia
Muscle ache
Muscle pain
[ more ]
0003326
Nocturnal hypoventilation 0002877
Reduced forced vital capacity 0032341
Restrictive ventilatory defect
Stiff lung or chest wall causing decreased lung volume
0002091
Thigh hypertrophy
Increased thigh size
0003733
Toe walking
Toe-walking
0040083
Variable expressivity 0003828
Vertebral fusion
Spinal fusion
0002948
Showing of 35 |
Do you have more information about symptoms of this disease? We want to hear from you.
Last updated: 2/1/2021
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Diagnosis Diagnosis


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Making a diagnosis for a genetic or rare disease can often be challenging. Healthcare professionals typically look at a person’s medical history, symptoms, physical exam, and laboratory test results in order to make a diagnosis. The following resources provide information relating to diagnosis and testing for this condition. If you have questions about getting a diagnosis, you should contact a healthcare professional.

Testing Resources

  • The Genetic Testing Registry (GTR) provides information about the genetic tests for this condition. The intended audience for the GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.

Find a Specialist Find a Specialist


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If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.

If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.

You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.

Healthcare Resources

  • To find a medical professional who specializes in genetics, you can ask your doctor for a referral or you can search for one yourself. Online directories are provided by the American College of Medical Genetics and the National Society of Genetic Counselors. If you need additional help, contact a GARD Information Specialist. You can also learn more about genetic consultations from MedlinePlus Genetics.

Research Research


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Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.

Clinical Research Resources

  • The LGMD2i Research Fund is working to expedite the development of a treatment or cure for Limb-girdle muscular dystrophy type 2I by building a comprehensive view of the entire LGMD2I research landscape, supporting the most promising research projects, and coordinating and managing the scientific process.

Organizations Organizations


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Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.

Organizations Supporting this Disease

  • Cure CMD - Congenital Muscular Dystrophy
    19401 S. Vermont Ave., Suite J100
    Torrance, CA 90502
    Telephone: 323-250-2399 or 424-265-0874
    E-mail: info@curecmd.org
    Website: https://www.curecmd.org/
  • LGMD2i Research Fund
    Telephone: (425) 460-2554
    E-mail: jpl@lgmd2ifund.org
    Website: http://www.lgmd2ifund.org
  • Muscular Dystrophy Association (MDA)
    222 S Riverside Plaza
    Suite 1500
    Chicago, IL 60606
    Toll-free: 1-833-275-6321 (Helpline)
    E-mail: resourcecenter@mdausa.org
    Website: https://www.mda.org
  • Muscular Dystrophy Family Foundation
    P.O. Box 776
    Carmel, IN 46082
    Telephone: +1-317-615-9140
    E-mail: info@mdff.org
    Website: https://mdff.org/
    MDFF provides financial assistance, quality programs and services for the Muscular Dystrophy community in Indiana.
  • Muscular Dystrophy UK
    61A Great Suffolk Street
    London, SE1 0BU United Kingdom
    Toll-free: 0800 652 6352 (Helpline)
    Telephone: (+44) 0 020 7803 4800
    E-mail: info@musculardystrophyuk.org
    Website: https://www.musculardystrophyuk.org/

Social Networking Websites

  • Visit the following Facebook groups related to Limb-girdle muscular dystrophy type 2I:
    LGMD2I
Do you know of an organization? We want to hear from you.

Learn More Learn More


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These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

Where to Start

  • MedlinePlus was designed by the National Library of Medicine to help you research your health questions, and it provides more information about this topic.
  • Genetics Home Reference (GHR) contains information on Limb-girdle muscular dystrophy type 2I. This website is maintained by the National Library of Medicine.

In-Depth Information

  • GeneReviews provides current, expert-authored, peer-reviewed, full-text articles describing the application of genetic testing to the diagnosis, management, and genetic counseling of patients with specific inherited conditions.
  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • 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 Limb-girdle muscular dystrophy type 2I. Click on the link to view a sample search on this topic.

News & Events News & Events


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News

  • Rare Disease Day at NIH 2021
    March 1, 2021

GARD Answers GARD Answers


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Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know.

Have a question? Contact a GARD Information Specialist.

References References


  1. Limb-girdle muscular dystrophy. Genetics Home Reference (GHR). December 2014; http://ghr.nlm.nih.gov/condition/limb-girdle-muscular-dystrophy.
  2. Elena Pegoraro & Eric P Hoffman. Limb-Girdle Muscular Dystrophy Overview. GeneReviews. August 30, 2012; http://www.ncbi.nlm.nih.gov/books/NBK1408/. Accessed 5/27/2015.
  3. Hauerslev S, Sveen ML, Vissing J, Krag TO. Protein turnover and cellular stress in mildly and severely affected muscles from patients with limb girdle muscular dystrophy type 2I. PLoS One. June 2013; 8(6):e66929.
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