TWNK

twinkle mtDNA helicase
OMIM: 606075, Gene2Phenotype

18 panels

Panel Reviews Mode of inheritance Details
18 panels
No list TWNK in Parkinson Disease and Complex Parkinsonism

Level 3: Neurodegenerative disorders
Level 2: Neurology and neurodevelopmental disorders
Version 1.128

review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert list
Phenotypes
  • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3 MIM#609286
Green TWNK in Primary ovarian insufficiency

Level 3: Gonadal and sex development disorders
Level 2: Endocrine disorders
Version 1.71

review BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Literature
Phenotypes
  • Perrault syndrome 5, OMIM:616138
Green TWNK in White matter disorders and cerebral calcification - narrow panel


Level 2: Neurology
Version 7.11
Latest signed off version: v7.0 (30 Apr 2025)

Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7
    • General Leukodystrophy & Mitochondrial Leukoencephalopathy
    • Mitochondrial Leukoencephalopathy
    Green TWNK in Ataxia and cerebellar anomalies - narrow panel


    Level 2: Neurology
    Version 8.63
    Latest signed off version: v8.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Hereditary ataxia and cerebellar anomalies - childhood onset
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245 (AR)
    • Perrault syndrome 5, OMIM:616138 (AR)
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286 (AD)
    Green TWNK in Hereditary ataxia

    Level 3: Motor Disorders of the CNS
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.344

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • Illumina TruGenome Clinical Sequencing Services
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245 (AR)
    • Perrault syndrome 5, OMIM:616138 (AR)
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286 (AD)
    Green TWNK in Mitochondrial liver disease, including transient infantile liver failure


    Level 2: Mitochondrial
    Version 1.14
    Latest signed off version: v1.9 (22 Mar 2023)

    review BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
    Sources
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286
    • Perrault syndrome 5, OMIM:616138
    Green TWNK in Inherited white matter disorders

    Level 3: White matter disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.186

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • Expert list
    • Literature
    Phenotypes
    • Mitochondrial Leukoencephalopathy
    • General Leukodystrophy & Mitochondrial Leukoencephalopathy
    • Mitochondrial DNA depletion syndrome 7
    Green TWNK in Mitochondrial DNA maintenance disorder


    Level 2: Mitochondrial
    Version 3.9
    Latest signed off version: v3.0 (22 Mar 2023)

    review BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
    Sources
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286
    • Perrault syndrome 5, OMIM:616138
    Red TWNK in Adult onset neurodegenerative disorder


    Level 2: Neurology
    Version 8.11
    Latest signed off version: v8.0 (30 Apr 2025)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Red
    • Wessex and West Midlands GLH
    • Yorkshire and North East GLH
    • NHS GMS
    • London North GLH
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245 (AR)
    • Perrault syndrome 5, OMIM:616138 (AR)
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286 (AD)
    Green TWNK in Undiagnosed metabolic disorders

    Level 3: Specific metabolic abnormalities
    Level 2: Metabolic disorders
    Version 1.642

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • Literature
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245 (AR)
    • Perrault syndrome 5, OMIM:616138 (AR)
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286 (AD)
    Green TWNK in Likely inborn error of metabolism


    Level 2: Metabolic
    Version 8.91
    Latest signed off version: v8.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • Hypotonic infant
  • Paediatric disorders
  • Unexplained death in infancy and sudden unexplained death in childhood
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • London North GLH
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245 (AR)
    • Perrault syndrome 5, OMIM:616138 (AR)
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286 (AD)
    Green TWNK in Possible mitochondrial disorder - nuclear genes


    Level 2: Mitochondrial
    Version 4.20
    Latest signed off version: v4.0 (30 Apr 2025)

    review BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • NHS GMS
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286
    • Perrault syndrome 5, OMIM:616138
    Amber TWNK in Hereditary neuropathy

    Level 3: Motor and Sensory Disorders of the PNS
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.506

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Amber
    • London North GLH
    • NHS GMS
    • South West GLH
    • UKGTN
    • Emory Genetics Laboratory
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245 (AR)
    • Perrault syndrome 5, OMIM:616138 (AR)
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286 (AD)
    Green TWNK in Mitochondrial disorders


    Level 2: Mitochondrial
    Version 9.41
    Latest signed off version: v9.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Victorian Clinical Genetics Services
    • UKGTN
    • Illumina TruGenome Clinical Sequencing Services
    • Radboud University Medical Center, Nijmegen
    • Expert list
    • Expert
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286
    • Perrault syndrome 5, OMIM:616138
    Green TWNK in Hereditary ataxia with onset in adulthood


    Level 2: Neurology
    Version 8.23
    Latest signed off version: v8.0 (30 Apr 2025)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • London North GLH
    • NHS GMS
    • Wessex and West Midlands GLH
    • Expert Review Green
    • Hereditary ataxia v1.148
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7, 271245
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, 609286
    • Ataxia Neuropathy Spectrum Disorders, Dominant
    • Spinocerebellar Ataxia, Recessive
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, 609286
    • Perrault syndrome 5, 616138
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), 271245
    Green TWNK in Hereditary neuropathy or pain disorder


    Level 2: Neurology
    Version 7.36
    Latest signed off version: v7.0 (30 Apr 2025)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • South West GLH
    • UKGTN
    • Emory Genetics Laboratory
    • London North GLH
    • NHS GMS
    • London North GLH
    • NHS GMS
    • South West GLH
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245 (AR)
    • Perrault syndrome 5, OMIM:616138 (AR)
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286 (AD)
    Red TWNK in Childhood onset dystonia, chorea or related movement disorder


    Level 2: Neurology
    Version 7.13
    Latest signed off version: v7.0 (30 Apr 2025)

    review Not set
    Sources
    • Expert Review Red
    • London North GLH
    Red TWNK in Paediatric pseudo-obstruction syndrome


    Level 2: Gastrohepatology
    Version 2.5
    Latest signed off version: v2.0 (30 Apr 2025)

    review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert list
    Phenotypes
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245
    • Perrault syndrome 5, OMIM:616138