mitochondrial DNA depletion syndrome 14B (cardioencephalomyopathic type)
MONDO:0014820Mondo
Findings
No curated finding names mitochondrial DNA depletion syndrome 14B (cardioencephalomyopathic type) yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Congenital onset
HPO, annotations 2026-09-02
Features
20 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.
- ApneaHPOHP:0002104
- 2 of 2 reported patients
- Decreased activity of mitochondrial complex IHPOHP:0011923
- 2 of 2 reported patients
- Decreased activity of mitochondrial complex IVHPOHP:0008347
- 2 of 2 reported patients
- Depletion of mitochondrial DNA in muscle tissueHPOHP:0009141
- 2 of 2 reported patients
- Feeding difficulties in infancyHPOHP:0008872
- 2 of 2 reported patients
- HypertoniaHPOHP:0001276
- 2 of 2 reported patients
- Hypertrophic cardiomyopathyHPOHP:0001639
- 2 of 2 reported patients
- Increased circulating lactate concentrationHPOHP:0002151
- 2 of 2 reported patients
- OpisthotonusHPOHP:0002179
- 2 of 2 reported patients
- Optic atrophyHPOHP:0000648
- 2 of 2 reported patients
- Profound global developmental delayHPOHP:0012736
- 2 of 2 reported patients
- Axial hypotoniaHPOHP:0008936
- 1 of 2 reported patients
Show the remaining 8
- Breech presentationHPOHP:0001623
- 1 of 2 reported patients
- Caesarean sectionHPOHP:0011410
- 1 of 2 reported patients
- HyperalaninemiaHPOHP:0003348
- 1 of 2 reported patients
- Increased CSF lactateHPOHP:0002490
- 1 of 2 reported patients
- Retinal degenerationHPOHP:0000546
- 1 of 2 reported patients
- Sensorineural hearing impairmentHPOHP:0000407
- 1 of 2 reported patients
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.
- OPA1HGNC:8140
- Strong · Ambry Genetics · Autosomal recessive · 2020
- Limited · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2019
Where it sits
- A kind of
Other names
6 names
Resolves to: mitochondrial DNA depletion syndrome 14B (cardioencephalomyopathic type)
- Also called
- mitochondrial DNA depletion syndrome 14 (cardioencephalomyopathic type)mitochondrial DNA depletion syndrome 14 (cardioencephalomyopathic type); MTDPS14mitochondrial DNA depletion syndrome 14 (encephalocardiomyopathic type)mitochondrial DNA depletion syndrome caused by mutation in OPA1MTDPS14OPA1 mitochondrial DNA depletion syndrome