mitochondrial complex I deficiency, nuclear type 12
MONDO:0026720Mondo
Findings
No curated finding names mitochondrial complex I deficiency, nuclear type 12 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- X-linked recessive inheritance
- Onset and course
- Infantile onset · Childhood onset
HPO, annotations 2026-09-02
Features
26 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.
- AtaxiaHPOHP:0001251
- 3 of 3 reported patients
- Decreased activity of mitochondrial complex IHPOHP:0011923
- 3 of 3 reported patients
- Global developmental delayHPOHP:0001263
- 2 of 2 reported patients
- DementiaHPOHP:0000726
- 2 of 3 reported patients
- Axial hypotoniaHPOHP:0008936
- 1 of 2 reported patients
- ChoreoathetosisHPOHP:0001266
- 1 of 2 reported patients
- Delayed speech and language developmentHPOHP:0000750
- 1 of 2 reported patients
- Generalized hypotoniaHPOHP:0001290
- 1 of 2 reported patients
- Generalized myoclonic seizureHPOHP:0002123
- 1 of 2 reported patients
- HyporeflexiaHPOHP:0001265
- 1 of 2 reported patients
- NystagmusHPOHP:0000639
- 1 of 2 reported patients
- AphasiaHPOHP:0002381
- 1 of 3 reported patients
Show the remaining 14
- Bilateral tonic-clonic seizureHPOHP:0002069
- 1 of 3 reported patients
- Cerebellar atrophyHPOHP:0001272
- 1 of 3 reported patients
- Delayed ability to walkHPOHP:0031936
- 1 of 3 reported patients
- Frequent fallsHPOHP:0002359
- 1 of 3 reported patients
- Gait imbalanceHPOHP:0002141
- 1 of 3 reported patients
- HypotoniaHPOHP:0001252
- 1 of 3 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.
- NDUFA1HGNC:7683
- Definitive · G2P · X-linked · 2025
- Strong · Labcorp Genetics (formerly Invitae) · X-linked · 2021
- Strong · PanelApp Australia · X-linked · 2025
- Moderate · Ambry Genetics · Autosomal recessive · 2018
Where it sits
Other names
1 name
Resolves to: mitochondrial complex I deficiency, nuclear type 12
- Also called
- mitochondrial complex i deficiency, nuclear type 12, X-linked recessive