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Features include always present findings: Low muscle tone (hypotonia), Myoclonic seizure, Brain atrophy, and Blindness and others; and common findings: Strabismus, Macrocephaly, Leukodystrophy, and Vomiting and others. 23 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 8 | Seizure, Ataxia, Myoclonic seizure |
NDUFV1 encodes NADH:ubiquinone oxidoreductase core subunit V1 (464 aa). Core subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (Complex I) which catalyzes electron transfer from NADH through the respiratory chain, using ubiquinone as an electron acceptor. Highest expression in Brain Cerebellar Hemisphere (240.6 TPM) and Heart Left Ventricle (236.3 TPM).
Mitochondrial complex I deficiency, nuclear type 4 is associated with mutations in the NDUFV1 gene on chromosome 11.
The NDUFV1 protein participates in NUBPL transfers 4Fe-4S to NDUFV1, V2 pathway.
NDUFV1 is classified as a druggable target (Enzyme category) with score 0.3.
Genetic testing for NDUFV1 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 7 always present features, 7 common features.
No clinical trials have been registered for mitochondrial complex I deficiency, nuclear type 4.
8 publications have been identified in PubMed for mitochondrial complex I deficiency, nuclear type 4. Research spans Case Report / Case Series (63%) and Basic Science / Preclinical (38%).
Yang Q (2026). [PMID: 41982415](https://pubmed.ncbi.nlm.nih.gov/41982415/). *Front Neurol*. [Case Report / Case Series]
Higurashi M (2025). [PMID: 39873399](https://pubmed.ncbi.nlm.nih.gov/39873399/). *Molecular oncology*. [Basic Science / Preclinical]
Alhamad AR (2025). [PMID: 40709164](https://pubmed.ncbi.nlm.nih.gov/40709164/). *Cureus*. [Basic Science / Preclinical]
Kaiyrzhanov R (2025). [PMID: 39963288](https://pubmed.ncbi.nlm.nih.gov/39963288/). *Brain communications*. [Case Report / Case Series]
Kalantari S (2025). [PMID: 39821332](https://pubmed.ncbi.nlm.nih.gov/39821332/). *American journal of medical genetics. Part A*. [Case Report / Case Series]
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 8:49 PM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Eyes |
3 |
Strabismus, Blindness, Ptosis |
Lab test results | 3 | Increased circulating pyruvate concentration, Increased circulating lactate concentration, Decreased activity of mitochondrial complex I |
Muscles | 2 | Low muscle tone (hypotonia), Brain atrophy |
Head and neck | 1 | Macrocephaly |
Metabolism | 1 | Metabolic acidosis |
Digestive system | 1 | Vomiting |
Lungs and breathing | 1 | Apnea |
de la Calle Arregui C (2025). [PMID: 41427350](https://pubmed.ncbi.nlm.nih.gov/41427350/). *bioRxiv : the preprint server for biology*. [Basic Science / Preclinical]
Haddad S (2025). [PMID: 40207266](https://pubmed.ncbi.nlm.nih.gov/40207266/). *Oxford medical case reports*. [Case Report / Case Series]
Kyrgiafini MA (2024). [PMID: 38612930](https://pubmed.ncbi.nlm.nih.gov/38612930/). *International journal of molecular sciences*. [Case Report / Case Series]