1. Genes and Genomic Entities
  2. ITPA

ITPA

inosine triphosphatase
OMIM: 147520, Gene2Phenotype

7 panels

Panel Reviews Mode of inheritance Details
7 panels
Green ITPA in Undiagnosed metabolic disorders

Level 3: Specific metabolic abnormalities
Level 2: Metabolic disorders
Version 1.617

review BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Literature
Phenotypes
  • Inosine triphosphatase deficiency (Disorders of purine metabolism)
  • Epileptic encephalopathy, early infantile, 35, 616647
  • [Inosine triphosphatase deficiency], 613850
Green ITPA in Likely inborn error of metabolism - targeted testing not possible


Version 5.3
Latest signed off version: v5.0 (1 May 2024)

Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • Hypotonic infant
  • Paediatric disorders
  • Unexplained death in infancy and sudden unexplained death in childhood

    		•  review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • London North GLH
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • Inosine triphosphatase deficiency (Disorders of purine metabolism)
    • Epileptic encephalopathy, early infantile, 35, 616647
    • [Inosine triphosphatase deficiency], 613850
    Green ITPA in Early onset or syndromic epilepsy

    Level 3: Inherited Epilepsy Syndromes
    Level 2: Neurology and neurodevelopmental disorders
    Version 5.10
    Latest signed off version: v5.0 (1 May 2024)

    Component of the following Super Panels:

  • Paediatric disorders
  • Unexplained death in infancy and sudden unexplained death in childhood

    		•  review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Wessex and West Midlands GLH
    • NHS GMS
    • Victorian Clinical Genetics Services
    • Expert Review
    • Expert Review Green
    Phenotypes
    • Epileptic encephalopathy, early infantile, 35, 616647
    Green ITPA in Intellectual disability

    Level 3: Neurodevelopmental disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 6.13
    Latest signed off version: v6.0 (1 May 2024)

    Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • Hypotonic infant
  • Paediatric disorders

    		•  review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • Victorian Clinical Genetics Services
    • Literature
    Phenotypes
    • Epileptic encephalopathy, early infantile, 35, 616647
    Red ITPA in Structural eye disease


    Version 3.79
    Latest signed off version: v3.0 (22 Mar 2023)

    		review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • NHS GMS
    Phenotypes
    • Warburg Micro syndrome and Martsolf syndrome with variable cardiac manifestation
    • None
    Red ITPA in Childhood onset dystonia, chorea or related movement disorder


    Version 4.3
    Latest signed off version: v4.0 (1 May 2024)

    		review Not set
    Sources
    • Expert Review Red
    • London North GLH
    Green ITPA in Severe Paediatric Disorders


    Version 1.184

    		review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Next Generation Children Project
    • Expert Review Green
    • Expert list
    Phenotypes
    • [Inosine triphosphatase deficiency], 613850
    • Epileptic encephalopathy, early infantile, 35, 616647