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mitochondrial complex I deficiency, nuclear type 3 - Clinical Profile, Genes & Research | Kisho | Kisho

Rare Disease

mitochondrial complex I deficiency, nuclear type 3

MONDO:0032608

Also known as:MC1DN3

Overview

GeneticsAutosomal recessive · NDUFS7 (chr 19)

ResearchLimited published research (5 articles)

Clinical Presentation

Built from Human Phenotype Ontology (HPO) phenotype annotations and GeneReviews clinical descriptions. Features represent findings documented across known cases — not an exhaustive list of possible symptoms.

Features include common findings: Feeding difficulties, Dysarthria, Episodic vomiting, and Ataxia. 16 total HPO annotations.

Organ System	Phenotype Count	Example Features
Brain and nerves	8	Encephalopathy, Loss of previously acquired skills (developmental regression), Dystonia

Genetic Landscape

Assembled from HGNC gene records, ClinGen gene-disease validity evidence, and ClinVar pathogenic variant data. Validity classifications reflect the strength of published evidence linking each gene to this disease.

NDUFS7 encodes NADH:ubiquinone oxidoreductase core subunit S7 (213 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 Muscle Skeletal (88.0 TPM) and Brain Cerebellar Hemisphere (84.6 TPM).

Mitochondrial complex I deficiency, nuclear type 3 is associated with mutations in the NDUFS7 gene on chromosome 19.

NDUFS7 is classified as a druggable target (Enzyme category) with score 0.3.

Diagnosis

Genetic testing for NDUFS7 is available. Testing is considered confirmatory for diagnosis.

Prognosis

Phenotype severity distribution: 4 common features.

Research Landscape

Sourced from ClinicalTrials.gov and PubMed. Publication types are classified using NLM-curated article metadata; research type breakdowns reflect the nature of published work for this disease.

No clinical trials have been registered for mitochondrial complex I deficiency, nuclear type 3.

5 publications have been identified in PubMed for mitochondrial complex I deficiency, nuclear type 3. Research spans Basic Science / Preclinical (60%) and Case Report / Case Series (40%).

Recent Publications

Haddad S (2025). [PMID: 40207266](https://pubmed.ncbi.nlm.nih.gov/40207266/). *Oxford medical case reports*. [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]
Mallik B (2025). [PMID: 40982549](https://pubmed.ncbi.nlm.nih.gov/40982549/). *PLoS biology*. [Basic Science / Preclinical]
Henke MT (2024). [PMID: 39385390](https://pubmed.ncbi.nlm.nih.gov/39385390/). *Journal of inherited metabolic disease*. [Basic Science / Preclinical]
Kyrgiafini MA (2024). [PMID: 38612930](https://pubmed.ncbi.nlm.nih.gov/38612930/). *International journal of molecular sciences*. [Basic Science / Preclinical]

Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 1:46 AM UTC

MONDOHPOClinicalTrials.govFDAPubMedHGNCClinVarClinGenGeneReviewsOrphanetOMIMRUSP

Medical References

External Resources

OMIM

Online Mendelian Inheritance in Man

OMIM:618224

GARD

Genetic and Rare Diseases Info Center

GARD:16313

Questions for Your Care Team

→Should my partner and I meet with a genetic counselor to discuss carrier status and family planning?
→Are there specialists or centers of excellence for this condition in my area?
→Is there a patient registry I should consider joining?

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mitochondrial complex I deficiency, nuclear type 3

Overview

Clinical Presentation

Genetic Landscape

Diagnosis

Prognosis

Research Landscape

Recent Publications

Medical References

External Resources

OMIM

GARD

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Questions for Your Care Team

Questions for Your Care Team

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