TWNK

twinkle mtDNA helicase
OMIM: 606075, Gene2Phenotype

19 panels

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

Level 3: Neurodegenerative disorders
Level 2: Neurology and neurodevelopmental disorders
Version 1.121

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 1.68

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


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

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


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

    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
    • Spinocerebellar Ataxia, Recessive
    • Ataxia Neuropathy Spectrum Disorders, Dominant
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, 609286
    • Perrault syndrome 5, 616138
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), 271245
    Green TWNK in Hereditary ataxia

    Level 3: Motor Disorders of the CNS
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.332

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


    Version 1.12
    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 1.180

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


    Version 3.6
    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


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

    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
    • Spinocerebellar Ataxia, Recessive
    • Ataxia Neuropathy Spectrum Disorders, Dominant
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, 609286
    • Perrault syndrome 5, 616138
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), 271245
    Green TWNK in Undiagnosed metabolic disorders

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

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • Literature
    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 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 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
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, OMIM:609286
    • Perrault syndrome 5, OMIM:616138
    Green TWNK in Possible mitochondrial disorder - nuclear genes


    Version 3.106
    Latest signed off version: v3.105 (1 May 2024)

    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 1.478

    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
    • Hereditary Neuropathies
    • Deafness, ovarian dysgenesis, learning difficulties, delayed motor development, cerebellar hypoplasia, peripheral axonal neuropathy
    Green TWNK in Mitochondrial disorders

    Level 3: Mitochondrial
    Level 2: Metabolic disorders
    Version 6.4
    Latest signed off version: v6.0 (1 May 2024)

    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


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

    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
    Amber TWNK in Hereditary neuropathy or pain disorder


    Version 4.11
    Latest signed off version: v4.0 (1 May 2024)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Amber
    • South West GLH
    • UKGTN
    • Emory Genetics Laboratory
    • London North GLH
    • NHS GMS
    • London North GLH
    • NHS GMS
    • South West GLH
    Phenotypes
    • Hereditary Neuropathies
    • Deafness, ovarian dysgenesis, learning difficulties, delayed motor development, cerebellar hypoplasia, peripheral axonal neuropathy
    Red TWNK 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 TWNK 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
    • Perrault syndrome 5, 616138
    • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3, 609286
    • Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), 271245
    Red TWNK in Paediatric pseudo-obstruction syndrome


    Version 1.5
    Latest signed off version: v1.0 (22 Mar 2023)

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