spastic ataxia 8, autosomal recessive, with hypomyelinating leukodystrophy
MONDO:0033043Mondo
Findings
No curated finding names spastic ataxia 8, autosomal recessive, with hypomyelinating leukodystrophy 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
- Infantile onset · Juvenile onset · Neonatal onset · Progressive · Childhood onset
HPO, annotations 2026-09-02
Features
49 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.
- Abnormal pyramidal signHPOHP:0007256
- 7 of 7 reported patients
- Very frequent (80% to 99% of cases)
- AtaxiaHPOHP:0001251
- 5 of 5 reported patients
- Very frequent (80% to 99% of cases)
- DystoniaHPOHP:0001332
- 2 of 2 reported patients
- Frequent (30% to 79% of cases)
- Head titubationHPOHP:0002599
- 3 of 3 reported patients
- Frequent (30% to 79% of cases)
- HyperreflexiaHPOHP:0001347
- 9 of 9 reported patients
- Frequent (30% to 79% of cases)
- HypotoniaHPOHP:0001252
- 10 of 10 reported patients
- Motor delayHPOHP:0001270
- 18 of 18 reported patients
- NystagmusHPOHP:0000639
- 14 of 14 reported patients
- Very frequent (80% to 99% of cases)
- SpasticityHPOHP:0001257
- 16 of 16 reported patients
- Upgaze palsyHPOHP:0025331
- 3 of 3 reported patients
- CNS hypomyelinationHPOHP:0003429
- 13 of 15 reported patients
- Frequent (30% to 79% of cases)
- Hypometric saccadesHPOHP:0000571
- 5 of 7 reported patients
- Very frequent (80% to 99% of cases)
Reported absent (1)
- DysesthesiaHPOHP:0012534
Show the remaining 37
- Joint contractureHPOHP:0034392
- 4 of 5 reported patients
- Loss of ambulationHPOHP:0002505
- 5 of 7 reported patients
- Truncal ataxiaHPOHP:0002078
- 5 of 7 reported patients
- Global developmental delayHPOHP:0001263
- 11 of 16 reported patients
- Frequent (30% to 79% of cases)
- Cerebellar atrophyHPOHP:0001272
- 4 of 6 reported patients
- Occasional (5% to 29% of cases)
- Developmental regressionHPOHP:0002376
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.
- NKX6-2HGNC:19321
- Strong · Ambry Genetics · Autosomal recessive · 2020
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2021
- Strong · PanelApp Australia · Autosomal recessive · 2025
- Strong · G2P · Autosomal recessive · 2017
- Supportive · Orphanet · Autosomal recessive · 2021