mitochondrial complex IV deficiency, nuclear type 22
MONDO:0859160Mondo
Findings
No curated finding names mitochondrial complex IV deficiency, nuclear type 22 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 · Neonatal onset · Fetal onset
HPO, annotations 2026-09-02
Features
31 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.
- Decreased activity of mitochondrial complex IVHPOHP:0008347
- 2 of 2 reported patients
- EEG abnormalityHPOHP:0002353
- 2 of 2 reported patients
- Elevated brain lactate level by MRSHPOHP:0012707
- 1 of 1 reported patient
- Elevated circulating hepatic transaminase concentrationHPOHP:0002910
- 2 of 2 reported patients
- EncephalopathyHPOHP:0001298
- 2 of 2 reported patients
- Feeding difficulties in infancyHPOHP:0008872
- 2 of 2 reported patients
- HyperprolinemiaHPOHP:0008358
- 2 of 2 reported patients
- HypoglycemiaHPOHP:0001943
- 2 of 2 reported patients · Neonatal onset
- Increased circulating pyruvate concentrationHPOHP:0003542
- 2 of 2 reported patients
- Left ventricular hypertrophyHPOHP:0001712
- 2 of 2 reported patients
- Severe lactic acidosisHPOHP:0004900
- 2 of 2 reported patients
- 3-hydroxydicarboxylic aciduriaHPOHP:0008160
- 1 of 2 reported patients
Show the remaining 19
- Abnormality of the coagulation cascadeHPOHP:0003256
- 1 of 2 reported patients
- Brain atrophyHPOHP:0012444
- 1 of 2 reported patients
- Cerebral edemaHPOHP:0002181
- 1 of 2 reported patients
- Congenital sensorineural hearing impairmentHPOHP:0008527
- 1 of 2 reported patients
- Congestive heart failureHPOHP:0001635
- 1 of 2 reported patients
- Elevated circulating creatine kinase activityHPOHP:0003236
- 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.
- COX16HGNC:20213
- Strong · G2P · Autosomal recessive · 2025
- Limited · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2021