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TWNK

twinkle mtDNA helicase
OMIM: 606075, Gene2Phenotype

18 panels

Panel	Reviews	Mode of inheritance	Details
Filter panels 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 - childhood onset Level 2: Neurology Version 8.7 Latest signed off version: v8.6 (12 Aug 2026) Component of the following Super Panels: Leukodystrophy, childhood onset Paediatric disorders	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 - childhood onset Level 2: Neurology Version 9.23 Latest signed off version: v9.22 (12 Aug 2026) 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 1.345	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 Level 2: Mitochondrial Version 1.17 Latest signed off version: v1.16 (12 Aug 2026)	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 3.11 Latest signed off version: v3.10 (12 Aug 2026)	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 Neurodegenerative disorders, adult onset Level 2: Neurology Version 9.5 Latest signed off version: v9.4 (12 Aug 2026) Component of the following Super Panels: Adult-onset neurological disorders	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 1.645	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 9.30 Latest signed off version: v9.29 (12 Aug 2026) Component of the following Super Panels: Hypotonic infant Leukodystrophy, childhood onset 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 5.18 Latest signed off version: v5.17 (12 Aug 2026)	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 1.513	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 10.19 Latest signed off version: v10.18 (12 Aug 2026) Component of the following Super Panels: Leukodystrophy, childhood onset	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, adult onset Level 2: Neurology Version 9.5 Latest signed off version: v9.4 (12 Aug 2026) Component of the following Super Panels: Adult-onset neurological disorders	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 8.31 Latest signed off version: v8.30 (12 Aug 2026)	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 Dystonia, chorea or related movement disorder, childhood onset Level 2: Neurology Version 8.14 Latest signed off version: v8.13 (12 Aug 2026)	review	Not set	Sources Expert Review Red London North GLH
Red TWNK in Paediatric pseudo-obstruction syndrome Level 2: Gastrohepatology Version 2.8 Latest signed off version: v2.7 (12 Aug 2026)	review	BIALLELIC, autosomal or pseudoautosomal	Sources Expert list Phenotypes Mitochondrial DNA depletion syndrome 7 (hepatocerebral type), OMIM:271245 Perrault syndrome 5, OMIM:616138