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Any mitochondrial complex deficiency in which the cause of the disease is a mutation in the UQCRFS1 gene.
Features include always present findings: Stress/infection-induced lactic acidosis, Alopecia totalis, Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration), and Hypothermia and others; and common findings: Hyperventilation, Persistent left superior vena cava, Persistent fetal circulation, and Ventricular septal defect and others.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Heart and blood vessels | 4 |
UQCRFS1 function has not been fully characterized.
Mitochondrial complex III deficiency, nuclear type 10 is associated with mutations in the UQCRFS1 gene on chromosome 19.
Genetic testing for UQCRFS1 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 17 always present features, 6 common features.
No clinical trials have been registered for mitochondrial complex III deficiency, nuclear type 10.
4 publications have been identified in PubMed for mitochondrial complex III deficiency, nuclear type 10. Kisho has analyzed 3 by research type. Research spans Basic Science / Preclinical (67%) and Review / Meta-Analysis (33%).
Alghamdi M (2026). [PMID: 41818954](https://pubmed.ncbi.nlm.nih.gov/41818954/). *Mol Genet Metab*. [Basic Science / Preclinical]
Xu M (2026). [PMID: 41380592](https://pubmed.ncbi.nlm.nih.gov/41380592/). *Redox Biol*. [Basic Science / Preclinical]
Čunátová K (2024). [PMID: 39053894](https://pubmed.ncbi.nlm.nih.gov/39053894/). *J Inherit Metab Dis*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 3:02 PM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Blood and immune system | 3 | Blood clotting problems (abnormality of coagulation), Normochromic anemia, Low platelet count (thrombocytopenia) |
Muscles | 2 | Low muscle tone (hypotonia), Muscle weakness |
Digestive system | 2 | Cholelithiasis, Feeding difficulties in infancy |
Skin | 1 | Alopecia totalis |
Lab test results | 1 | Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) |
Pregnancy and birth | 1 | Persistent fetal circulation |
Growth and development | 1 | Intrauterine growth retardation |
Age of onset: infancy, before birth, at birth.