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Features include always present findings: Scapular winging, Abdominal wall muscle weakness, Proximal lower limb muscle weakness, and Proximal upper limb muscle weakness; and very common findings: Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) and Low back pain. 23 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 9 | Fasciculations, Fatty replacement of skeletal muscle, Weakness of facial musculature |
ANXA11 encodes annexin A11 (505 aa). Binds specifically to calcyclin in a calcium-dependent manner. Required for midbody formation and completion of the terminal phase of cytokinesis Highest expression in Artery Aorta (126.4 TPM) and Artery Tibial (113.4 TPM).
Inclusion body myopathy and brain white matter abnormalities is associated with mutations in the ANXA11 gene on chromosome 10.
ANXA11 is classified as a druggable target with score 6.5.
Genetic testing for ANXA11 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 4 always present features, 2 very common features, 4 common features.
No clinical trials have been registered for inclusion body myopathy and brain white matter abnormalities.
2 publications have been identified in PubMed for inclusion body myopathy and brain white matter abnormalities. Research spans Basic Science / Preclinical (100%).
Ghayal NB (2025). [PMID: 41225259](https://pubmed.ncbi.nlm.nih.gov/41225259/). *Acta neuropathologica*. [Basic Science / Preclinical]
Arseni D (2024). [PMID: 39260416](https://pubmed.ncbi.nlm.nih.gov/39260416/). *Nature*. [Basic Science / Preclinical]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:36 PM UTC
Online Mendelian Inheritance in Man
Brain and nerves | 5 | Fasciculations, Difficulty with thinking and memory (cognitive impairment), Hyporeflexia |
Bones and joints | 2 | Fatty replacement of skeletal muscle, Centrally nucleated skeletal muscle fibers |
Arms and legs | 2 | Proximal lower limb muscle weakness, Proximal upper limb muscle weakness |
Lab test results | 1 | Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) |
Head and neck | 1 | Weakness of facial musculature |
Digestive system | 1 | Abdominal wall muscle weakness |
Eyes | 1 | Ptosis |