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Autosomal recessive limb girdle muscular dystrophy type 2E (LGMD2E) is a subtype of autosomal recessive limb girdle muscular dystrophy characterized by a childhood to adolescent onset of progressive pelvic- and shoulder-girdle muscle weakness, particularly affecting the pelvic girdle (adductors and flexors of hip). Usually the knees are the earliest and most affected muscles. In advanced stages, involvement of the shoulder girdle (resulting in scapular winging) and the distal muscle groups are observed. Calf hypertrophy, cardiomyopathy, respiratory impairment, tendon contractures, scoliosis, and exercise-induced myoglobinuria may be observed.
Features include always present findings: Loss of ambulation; and common findings: Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration), Delayed speech and language development, Myopathic facies, and Broad-based gait and others. 22 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 12 | Falsely enlarged calf muscles (calf muscle pseudohypertrophy), Progressive muscle deterioration (muscular dystrophy), Loss of ambulation |
Brain and nerves | 4 | Delayed speech and language development, Broad-based gait, Difficulty walking (gait disturbance) |
Heart and blood vessels | 2 | Enlarged and weakened heart (dilated cardiomyopathy), Heart muscle disease (cardiomyopathy) |
Lab test results | 1 | Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) |
Arms and legs | 1 | Limb-girdle muscle weakness |
Age of onset: adolescence.
SGCB function has not been fully characterized.
Autosomal recessive limb-girdle muscular dystrophy type 2E is associated with mutations in the SGCB gene on chromosome 4.
Genetic testing for SGCB is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 1 always present feature, 11 common features.
Estimated prevalence: 1-9 in 1,000,000 (Rare).
1 clinical trial registered. Interventions under study include other interventions. Research is primarily industry-sponsored.
10 publications have been identified in PubMed for autosomal recessive limb-girdle muscular dystrophy type 2E. Research spans Basic Science / Preclinical (50%), Epidemiology / Natural History (20%), and Gene Therapy / Novel Therapeutics (20%).
Research Type | Count | % of Total |
|---|---|---|
Laboratory research | 5 | 50% |
Disease patterns and progression | 2 | 20% |
New treatment approaches | 2 | 20% |
Research summaries | 1 | 10% |
Baine S (2026). [PMID: 41194675](https://pubmed.ncbi.nlm.nih.gov/41194675/). *Hum Gene Ther*. [Gene Therapy / Novel Therapeutics]
Biquand A (2026). [PMID: 41445184](https://pubmed.ncbi.nlm.nih.gov/41445184/). *Mol Ther*. [Gene Therapy / Novel Therapeutics]
Cano-Martínez LJ (2026). [PMID: 42150328](https://pubmed.ncbi.nlm.nih.gov/42150328/). *Tissue Cell*. [Basic Science / Preclinical]
Kale MY (2025). [PMID: 40774080](https://pubmed.ncbi.nlm.nih.gov/40774080/). *Eur J Paediatr Neurol*. [Epidemiology / Natural History]
Long AM (2024). [PMID: 38582404](https://pubmed.ncbi.nlm.nih.gov/38582404/). *Matrix Biol*. [Basic Science / Preclinical]
Zarén P (2024). [PMID: 38926599](https://pubmed.ncbi.nlm.nih.gov/38926599/). *Sci Rep*. [Basic Science / Preclinical]
Politano L (2024). [PMID: 38791328](https://pubmed.ncbi.nlm.nih.gov/38791328/). *Int J Mol Sci*. [Review / Meta-Analysis]
Karthikeyan P (2024). [PMID: 39548682](https://pubmed.ncbi.nlm.nih.gov/39548682/). *Mol Genet Genomic Med*. [Epidemiology / Natural History]
Rahmuni Y (2024). [PMID: 39174842](https://pubmed.ncbi.nlm.nih.gov/39174842/). *Ir J Med Sci*. [Basic Science / Preclinical]
Scano M (2024). [PMID: 39769077](https://pubmed.ncbi.nlm.nih.gov/39769077/). *Int J Mol Sci*. [Basic Science / Preclinical]
Data assembled from 7 of 12 sources · Last updated Sep 19, 2026, 4:06 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center