transketolase deficiency
MONDO:0014881Mondo
Findings
No curated finding names transketolase deficiency 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
HPO, annotations 2026-09-02
Features
30 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.
- Delayed speech and language developmentHPOHP:0000750
- 5 of 5 reported patients
- Frequent (30% to 79% of cases)
- Global developmental delayHPOHP:0001263
- 5 of 5 reported patients
- Very frequent (80% to 99% of cases)
- Proportionate short statureHPOHP:0003508
- 5 of 5 reported patients
- Very frequent (80% to 99% of cases)
- Abnormal heart morphologyHPOHP:0001627
- Very frequent (80% to 99% of cases)
- Elevated circulating ribitol concentrationHPOHP:0025550
- Very frequent (80% to 99% of cases)
- Ventricular septal defectHPOHP:0001629
- 4 of 5 reported patients · Congenital onset
- Frequent (30% to 79% of cases)
- Absent speechHPOHP:0001344
- 2 of 5 reported patients
- Frequent (30% to 79% of cases)
- Atrial septal defectHPOHP:0001631
- 2 of 5 reported patients · Congenital onset
- Frequent (30% to 79% of cases)
- Attention deficit hyperactivity disorderHPOHP:0007018
- 2 of 5 reported patients
- Frequent (30% to 79% of cases)
- CataractHPOHP:0000518
- Frequent (30% to 79% of cases)
- Compulsive behaviorsHPOHP:0000722
- 2 of 5 reported patients
- Frequent (30% to 79% of cases)
- HypotoniaHPOHP:0001252
- 3 of 5 reported patients
- Frequent (30% to 79% of cases)
Show the remaining 18
- Increased level of ribose in urineHPOHP:0410072
- Frequent (30% to 79% of cases)
- Intellectual disabilityHPOHP:0001249
- 3 of 5 reported patients
- Mild intellectual disabilityHPOHP:0001256
- Frequent (30% to 79% of cases)
- UveitisHPOHP:0000554
- 2 of 5 reported patients
- Frequent (30% to 79% of cases)
- Developmental cataractHPOHP:0000519
- 2 of 5 reported patients
- Abnormal coronary artery courseHPOHP:0011686
- Occasional (5% to 29% of cases)
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.
- TKTHGNC:11834
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2018
- Strong · G2P · Autosomal recessive · 2016
- Moderate · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
2 names
Resolves to: transketolase deficiency
- Also called
- short stature-developmental delay-congenital heart defect syndromeTKT deficiency