mitochondrial DNA depletion syndrome 6 (hepatocerebral type)
MONDO:0009747Mondo
Findings
No curated finding names mitochondrial DNA depletion syndrome 6 (hepatocerebral type) 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
- Congenital onset · Infantile onset · Juvenile onset · Neonatal onset · Progressive · Young adult onset · Childhood onset
HPO, annotations 2026-09-02
Features
166 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.
- Absent Achilles reflexHPOHP:0003438
- 3 of 3 reported patients
- Ankle weaknessHPOHP:0031374
- 2 of 2 reported patients
- Appendicular hypotoniaHPOHP:0012389
- 1 of 1 reported patient
- Axial hypotoniaHPOHP:0008936
- 4 of 4 reported patients
- BradycardiaHPOHP:0001662
- 1 of 1 reported patient
- Brittle hairHPOHP:0002299
- 1 of 1 reported patient
- CholelithiasisHPOHP:0001081
- 1 of 1 reported patient
- CholestasisHPOHP:0001396
- 13 of 13 reported patients
- Claw toe deformityHPOHP:0034397
- 1 of 1 reported patient
- ConstipationHPOHP:0002019
- 1 of 1 reported patient
- Decreased Achilles reflexHPOHP:0009072
- 1 of 1 reported patient
- Decreased activity of mitochondrial complex IIIHPOHP:0011924
- 1 of 1 reported patient
Show the remaining 154
- Decreased number of peripheral myelinated nerve fibersHPOHP:0003380
- 2 of 2 reported patients
- DehydrationHPOHP:0001944
- 3 of 3 reported patients
- Depletion of mitochondrial DNA in liverHPOHP:0006581
- 15 of 15 reported patients
- DepressionHPOHP:0000716
- 1 of 1 reported patient
- Developmental regressionHPOHP:0002376
- 1 of 1 reported patient
- Distal lower limb amyotrophyHPOHP:0008944
- 5 of 5 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.
- MPV17HGNC:7224
- Definitive · G2P · Autosomal recessive · 2015
- Definitive · Natera · Autosomal recessive · 2023
- Strong · Ambry Genetics · Autosomal recessive · 2018
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2023
- Supportive · Orphanet · Autosomal recessive · 2021
Where it sits
Other names
2 names
Resolves to: mitochondrial DNA depletion syndrome 6 (hepatocerebral type)
- Also called
- Navajo neurohepatopathyNavajo neuropathy