mitochondrial complex IV deficiency, nuclear type 23
MONDO:0859520Mondo
Findings
No curated finding names mitochondrial complex IV deficiency, nuclear type 23 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
- Death in infancy · Infantile onset · Neonatal 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.
- Brain atrophyHPOHP:0012444
- 2 of 2 reported patients
- Increased circulating lactate concentrationHPOHP:0002151
- 2 of 2 reported patients
- Abdominal distentionHPOHP:0003270
- 1 of 2 reported patients
- Brisk reflexesHPOHP:0001348
- 1 of 2 reported patients
- Clonic seizureHPOHP:0020221
- 1 of 2 reported patients
- DyskinesiaHPOHP:0100660
- 1 of 2 reported patients
- Elbow contractureHPOHP:0034391
- 1 of 2 reported patients
- Elevated brain lactate level by MRSHPOHP:0012707
- 1 of 2 reported patients
- Feeding difficultiesHPOHP:0011968
- 1 of 2 reported patients
- Fetal distressHPOHP:0025116
- 1 of 2 reported patients
- Focal-onset seizureHPOHP:0007359
- 1 of 2 reported patients
- Gastroesophageal refluxHPOHP:0002020
- 1 of 2 reported patients
Show the remaining 14
- HypoglycemiaHPOHP:0001943
- 1 of 2 reported patients
- HypotoniaHPOHP:0001252
- 1 of 2 reported patients
- HypoventilationHPOHP:0002791
- 1 of 2 reported patients
- Increased CSF lactateHPOHP:0002490
- 1 of 2 reported patients
- Inguinal herniaHPOHP:0000023
- 1 of 2 reported patients
- Intrauterine growth retardationHPOHP:0001511
- 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.
- COX11HGNC:2261
- Limited · Ambry Genetics · Autosomal recessive · 2022
- Limited · Labcorp Genetics (formerly Invitae) · Unknown · 2023