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Any nemaline myopathy in which the cause of the disease is a mutation in the KBTBD13 gene.
Features include: Skeletal muscle atrophy, Facial palsy, Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration), and Muscle stiffness and 8 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 6 | Skeletal muscle atrophy, Muscle stiffness, Myopathy |
KBTBD13 encodes kelch repeat and BTB domain containing 13 (458 aa). Substrate-specific adapter of a BCR (BTB-CUL3-RBX1) E3 ubiquitin ligase complex Highest expression in Artery Tibial (2.6 TPM) and Muscle Skeletal (1.5 TPM).
Nemaline myopathy 6 is caused by mutations in the KBTBD13 gene on chromosome 15.
KBTBD13 is classified as a druggable target (Ion Channel category) with score 0.0.
Genetic testing for KBTBD13 is available. Testing is considered confirmatory for diagnosis.
No clinical trials have been registered for nemaline myopathy 6.
3 publications have been identified in PubMed for nemaline myopathy 6. Research spans Epidemiology / Natural History (67%) and Case Report / Case Series (33%).
Harikrishna GV (2024). [PMID: 38968056](https://pubmed.ncbi.nlm.nih.gov/38968056/). *J Neuromuscul Dis*. [Epidemiology / Natural History]
van Kleef ESB (2024). [PMID: 39240645](https://pubmed.ncbi.nlm.nih.gov/39240645/). *J Neuromuscul Dis*. [Case Report / Case Series]
van Kleef ESB (2024). [PMID: 39651462](https://pubmed.ncbi.nlm.nih.gov/39651462/). *Neurol Genet*. [Epidemiology / Natural History]
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 1:05 PM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
2 |
Difficulty walking (gait disturbance), Exercise intolerance |
Bones and joints | 1 | Skeletal muscle atrophy |
Head and neck | 1 | Facial palsy |
Lab test results | 1 | Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) |
Arms and legs | 1 | Limb muscle weakness |