mitochondrial DNA depletion syndrome 20 (mngie type)
MONDO:0030696Mondo
Findings
No curated finding names mitochondrial DNA depletion syndrome 20 (mngie 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
- Juvenile onset · Childhood onset · Early young adult onset
HPO, annotations 2026-09-02
Features
17 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.
- HeadacheHPOHP:0002315
- 5 of 5 reported patients
- Intestinal pseudo-obstructionHPOHP:0004389
- 7 of 7 reported patients
- Multiple mitochondrial DNA deletionsHPOHP:0003689
- 3 of 3 reported patients
- Diffuse leukoencephalopathyHPOHP:0006994
- 6 of 7 reported patients
- Cerebellar atrophyHPOHP:0001272
- 4 of 7 reported patients
- Neurogenic bladderHPOHP:0000011
- 4 of 7 reported patients
- Abnormal pyramidal signHPOHP:0007256
- 3 of 7 reported patients
- Macular degenerationHPOHP:0000608
- 3 of 7 reported patients
- Involuntary movementsHPOHP:0004305
- 2 of 7 reported patients
- Mental deteriorationHPOHP:0001268
- 2 of 7 reported patients
- MyoclonusHPOHP:0001336
- 2 of 7 reported patients
- Recurrent infectionsHPOHP:0002719
- 2 of 7 reported patients
Show the remaining 5
- Stroke-like episodeHPOHP:0002401
- 2 of 7 reported patients
- CataractHPOHP:0000518
- 1 of 7 reported patients
- DysmetriaHPOHP:0001310
- 1 of 7 reported patients
- DysphagiaHPOHP:0002015
- 1 of 7 reported patients
- Thin corpus callosumHPOHP:0033725
- 1 of 7 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.
- LIG3HGNC:6600
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2022
- Strong · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
2 names
Resolves to: mitochondrial DNA depletion syndrome 20 (mngie type)
- Also called
- mitochondrial neurogastrointestinal encephalomyopathy syndrome, lig3-relatedMTDPS20