mitochondrial DNA depletion syndrome 13
Findings
No curated finding names mitochondrial DNA depletion syndrome 13 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Any mitochondrial DNA depletion syndrome in which the cause of the disease is a mutation in the FBXL4 gene.
Definition from the Mondo Disease Ontology (MONDO:0014198), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Infantile onset · Juvenile onset · Neonatal onset · Childhood onset · Antenatal onset
HPO, annotations 2026-09-02
Features
95 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.
- 3-Methylglutaconic aciduriaHPOHP:0003535
- 1 of 1 reported patient
- AnemiaHPOHP:0001903
- 2 of 2 reported patients
- Babinski signHPOHP:0003487
- 1 of 1 reported patient
- Cerebellar hypoplasiaHPOHP:0001321
- 1 of 1 reported patient
- CNS hypomyelinationHPOHP:0003429
- 2 of 2 reported patients
- Cytochrome C oxidase-negative muscle fibersHPOHP:0003688
- 1 of 1 reported patient
- Decreased circulating immunoglobulin concentrationHPO
Show the remaining 83
- Frontal bossingHPOHP:0002007
- 2 of 2 reported patients
- Global brain atrophyHPOHP:0002283
- 39 of 39 reported patients
- HydrocephalusHPOHP:0000238
- 1 of 1 reported patient
- HydronephrosisHPOHP:0000126
- 1 of 1 reported patient
- HyperalaninemiaHPOHP:0003348
- 6 of 6 reported patients
- Hyperkinetic movementsHPOHP:0002487
- 1 of 1 reported patient
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.
- FBXL4HGNC:13601
- Definitive · G2P · Autosomal recessive · 2025
- Strong · Genomics England PanelApp · Autosomal recessive · 2020
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2022
- Strong · PanelApp Australia · Autosomal recessive · 2025
- Supportive · Orphanet · Autosomal recessive · 2021
Where it sits
Other names
4 names
Resolves to: mitochondrial DNA depletion syndrome 13
- Also called
- FBXL4 mitochondrial DNA depletion syndromemitochondrial DNA depletion syndrome caused by mutation in FBXL4mitochondrial DNA depletion syndrome type 13mtDNA depletion syndrome, encephalomyopathic form with variable craniofacial anomalies