carnitine palmitoyl transferase II deficiency, myopathic form
Findings
No curated finding names carnitine palmitoyl transferase II deficiency, myopathic form yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
The myopathic form of carnitine palmitoyltransferase II (CPT II) deficiency, an inherited metabolic disorder that affects mitochondrial oxidation of long chain fatty acids (LCFA), is the most common and the least severe form of CPT II deficiency.
Definition from the Mondo Disease Ontology (MONDO:0009704), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal dominant inheritance · Autosomal recessive inheritance
- Onset and course
- Young adult onset · Childhood onset
HPO, annotations 2026-09-02
Features
21 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.
- MyalgiaHPOHP:0003326
- 27 of 28 reported patients
- Very frequent (80% to 99% of cases)
- Exercise intoleranceHPOHP:0003546
- Very frequent (80% to 99% of cases)
- Exercise-induced myalgiaHPOHP:0003738
- Very frequent (80% to 99% of cases)
- MyoglobinuriaHPOHP:0002913
- 22 of 28 reported patients
- Very frequent (80% to 99% of cases)
- Red-brown urineHPOHP:0040320
- Very frequent (80% to 99% 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.
- CPT2HGNC:2330
- Supportive · Orphanet · Autosomal recessive · 2021
Where it sits
Other names
8 names
Resolves to: carnitine palmitoyl transferase II deficiency, myopathic form
- Also called
- Carnitine palmitoyl transferase deficiency type 2, adult-onset formCarnitine palmitoyl transferase deficiency type 2, myopathic formCarnitine palmitoyl transferase II deficiency, adult-onset formCPT II deficiency, myopathic, stress-inducedCPT2, adult-onset formCPT2, myopathic formCPTII, adult-onset formCPTII, myopathic form