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Autosomal recessive limb-girdle muscular dystrophy type 2N (LGMD2N) is a form of limb-girdle muscular dystrophy characterized by proximal weakness (manifesting as slowness in running) presenting in infancy, along with calf hypertrophy, mild lordosis, scapular winging and normal intelligence or mild intellectual disability.
Features include always present findings: Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration), Complete right bundle branch block, Skeletal muscle hypertrophy, and Proximal muscle weakness. 6 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 3 | Progressive muscle deterioration (muscular dystrophy), Skeletal muscle hypertrophy, Proximal muscle weakness |
Lab test results | 1 | Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) |
Heart and blood vessels | 1 | Complete right bundle branch block |
Bones and joints | 1 | Skeletal muscle hypertrophy |
POMT2 function has not been fully characterized.
Autosomal recessive limb-girdle muscular dystrophy type 2N is associated with mutations in the POMT2 gene on chromosome 14.
Genetic testing for POMT2 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 4 always present features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
2 clinical trials registered, 2 recruiting. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
100 publications have been identified in PubMed for autosomal recessive limb-girdle muscular dystrophy type 2N. Kisho has analyzed 29 by research type. Research spans Review / Meta-Analysis (62%), Epidemiology / Natural History (17%), and Clinical Trial Publication (14%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 18 | 62% |
Disease patterns and progression | 5 | 17% |
Clinical study results | 4 | 14% |
Other research | 2 | 7% |
Li S (2026). [PMID: 41379706](https://pubmed.ncbi.nlm.nih.gov/41379706/). *J Fam Psychol*. [Review / Meta-Analysis]
Woodward LJ (2025). [PMID: 39491338](https://pubmed.ncbi.nlm.nih.gov/39491338/). *Acta Paediatr*. [Review / Meta-Analysis]
Taki S (2025). [PMID: 40785243](https://pubmed.ncbi.nlm.nih.gov/40785243/). *Int J Nurs Pract*. [Clinical Trial Publication]
Marshall KH (2025). [PMID: 39838237](https://pubmed.ncbi.nlm.nih.gov/39838237/). *Qual Life Res*. [Epidemiology / Natural History]
Campbell JI (2025). [PMID: 39509188](https://pubmed.ncbi.nlm.nih.gov/39509188/). *Curr Opin Pediatr*. [Review / Meta-Analysis]
Silverstein M (2025). [PMID: 39780401](https://pubmed.ncbi.nlm.nih.gov/39780401/). *Gerontologist*. [Review / Meta-Analysis]
Antunes LAA (2025). [PMID: 40946147](https://pubmed.ncbi.nlm.nih.gov/40946147/). *Pediatr Dent*. [Review / Meta-Analysis]
McMahon EL (2025). [PMID: 41206319](https://pubmed.ncbi.nlm.nih.gov/41206319/). *Curr Probl Pediatr Adolesc Health Care*. [Review / Meta-Analysis]
Sun Y (2025). [PMID: 40645130](https://pubmed.ncbi.nlm.nih.gov/40645130/). *Midwifery*. [Review / Meta-Analysis]
Dewan T (2024). [PMID: 39229799](https://pubmed.ncbi.nlm.nih.gov/39229799/). *Health Expect*. [Review / Meta-Analysis]
Data assembled from 7 of 12 sources · Last updated Sep 20, 2026, 8:42 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center