mitochondrial DNA deletion syndrome with progressive myopathy
MONDO:0014062Mondo
Findings
No curated finding names mitochondrial DNA deletion syndrome with progressive myopathy yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- Autosomal dominant inheritance
- Onset and course
- Adult onset · Slowly progressive · Young adult onset
HPO, annotations 2026-09-02
Features
33 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Gait disturbanceHPOHP:0001288
- 4 of 4 reported patients
- Frequent (30% to 79% of cases)
- Multiple mitochondrial DNA deletionsHPOHP:0003689
- 4 of 4 reported patients
- Progressive external ophthalmoplegiaHPOHP:0000590
- 4 of 4 reported patients
- Very frequent (80% to 99% of cases)
- Limb-girdle muscle weaknessHPOHP:0003325
- Very frequent (80% to 99% of cases)
- Pelvic girdle muscle weaknessHPOHP:0003749
- 3 of 4 reported patients
- PtosisHPOHP:0000508
- 3 of 4 reported patients
- Congenital ptosisHPOHP:0007970
- Frequent (30% to 79% of cases)
- Decreased facial expressionHPOHP:0004673
- 1 of 4 reported patients
- Frequent (30% to 79% of cases)
- Decreased fetal movementHPOHP:0001558
- Frequent (30% to 79% of cases)
- Decreased mitochondrial numberHPOHP:0040013
- Frequent (30% to 79% of cases)
- DepressionHPOHP:0000716
- 1 of 4 reported patients
- Frequent (30% to 79% of cases)
- Elevated creatine kinase after exerciseHPOHP:0008331
- Frequent (30% to 79% of cases)
Show the remaining 21
- Exertional dyspneaHPOHP:0002875
- 2 of 4 reported patients
- Frequent (30% to 79% of cases)
- Generalized hypotoniaHPOHP:0001290
- Frequent (30% to 79% of cases)
- Gowers signHPOHP:0003391
- 2 of 4 reported patients
- Frequent (30% to 79% of cases)
- HyperlordosisHPOHP:0003307
- 1 of 4 reported patients
- Frequent (30% to 79% of cases)
- Mitochondrial myopathyHPOHP:0003737
- Frequent (30% to 79% of cases)
- Multiple joint contracturesHPOHP:0002828
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- DNA2HGNC:2939
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal dominant · 2021
- Strong · PanelApp Australia · Autosomal dominant · 2025
- Moderate · Ambry Genetics · Autosomal dominant · 2017
- Supportive · Orphanet · Autosomal dominant · 2021
Where it sits
Other names
4 names
Resolves to: mitochondrial DNA deletion syndrome with progressive myopathy
- Also called
- mitochondrial DNA deletion syndrome with limb-girdle weaknessmtDNA deletion syndrome with limb-girdle weaknessmtDNA deletion syndrome with progressive myopathyprogressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant type 6