POLG

DNA polymerase gamma, catalytic subunit
OMIM: 174763, Gene2Phenotype

33 panels

Panel Reviews Mode of inheritance Details
33 panels
Green POLG in Hyperammonaemia

Level 3: Urea Cycle disorders
Level 2: Metabolic disorders
Version 1.21

review BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Emory Genetics Laboratory
Phenotypes
  • Mitochondrial DNA depletion syndrome 4A (Alpers type) 203700
Green POLG in Neonatal cholestasis

Level 3: Liver disease
Level 2: Gastroenterological disorders
Version 1.26

review BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
  • Emory Genetics Laboratory
Phenotypes
  • Mitochondrial DNA depletion syndrome 4A (Alpers type) 203700
Green POLG in Primary ovarian insufficiency

Level 3: Gonadal and sex development disorders
Level 2: Endocrine disorders
Version 1.68

review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Literature
Phenotypes
  • Progressive external ophthalmoplegia, autosomal dominant 1 157640
  • Progressive external ophthalmoplegia, autosomal recessive 1 258450
Green POLG in Gastrointestinal neuromuscular disorders

Level 3: Gastrointestinal disorders
Level 2: Gastroenterological disorders
Version 1.23

review BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Emory Genetics Laboratory
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Mitochondrial DNA depletion syndrome 4B (MNGIE type) 613662
Green POLG in Rhabdomyolysis and metabolic muscle disorders

Level 3: Neuromuscular disorders
Level 2: Neurology and neurodevelopmental disorders
Version 4.4
Latest signed off version: v4.0 (1 May 2024)

Component of the following Super Panels:

  • Hypotonic infant
  • Other rare neuromuscular disorders
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Emory Genetics Laboratory
    • UKGTN
    • Illumina TruGenome Clinical Sequencing Services
    • Radboud University Medical Center, Nijmegen
    • Literature
    Phenotypes
    • Progressive external ophthalmoplegia, autosomal dominant 1, OMIM:157640
    • Progressive external ophthalmoplegia, autosomal recessive 1, OMIM:258450
    Green POLG 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 BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    Phenotypes
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE)
    • Mitochondrial DNA depletion syndrome 4A (Alpers type) 203700
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type) 613662
    Green POLG 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
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE)
    Green POLG in Cholestasis


    Version 3.4
    Latest signed off version: v3.0 (22 Mar 2023)

    review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • Expert list
    Phenotypes
    • Mitochondrial DNA depletion syndrome 4A (Alpers type), OMIM:203700, MONDO:0008758
    Green POLG in Bilateral congenital or childhood onset cataracts

    Level 3: Anterior segment abnormalities
    Level 2: Ophthalmological disorders
    Version 4.14
    Latest signed off version: v4.0 (22 Mar 2023)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • Expert list
    Phenotypes
    • POLG-related disorders
    Green POLG 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
    • UKGTN
    • Radboud University Medical Center, Nijmegen
    Phenotypes
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE)
    Green POLG 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 4A (Alpers type), 203700
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), 607459
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), 613662
    • Progressive external ophthalmoplegia, autosomal dominant 1, 157640
    • Progressive external ophthalmoplegia, autosomal recessive 1, 258450
    Green POLG in Inherited white matter disorders

    Level 3: White matter disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.180

    review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • UKGTN
    • Emory Genetics Laboratory
    • Radboud University Medical Center, Nijmegen
    • Illumina TruGenome Clinical Sequencing Services
    • Expert list
    Phenotypes
    • Mitochondrial DNA depletion syndrome 4A (Alpers type) 203700
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type) 613662
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE) 607459
    Green POLG 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 4A (Alpers type), 203700
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), 607459
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), 613662
    • Progressive external ophthalmoplegia, autosomal dominant 1, 157640
    • Progressive external ophthalmoplegia, autosomal recessive 1, 258450
    Amber POLG in Optic neuropathy

    Level 3: Posterior segment abnormalities
    Level 2: Ophthalmological disorders
    Version 4.30
    Latest signed off version: v4.0 (22 Mar 2023)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Amber
    • London North GLH
    Phenotypes
    • PROGRESSIVE EXTERNAL OPHTHALMOPLEGIA WITH MITOCHONDRIAL DNA DELETIONS, AUTOSOMAL DOMINANT 1, 157640
    • PROGRESSIVE EXTERNAL OPHTHALMOPLEGIA WITH MITOCHONDRIAL DNA DELETIONS, AUTOSOMAL RECESSIVE 1, 258450
    Red POLG in Arthrogryposis

    Level 3: Neuromuscular disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 6.3
    Latest signed off version: v6.0 (1 May 2024)

    review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Red
    • Expert list
    Red POLG in Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies

    Level 3: Neuromuscular disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 4.33
    Latest signed off version: v4.32 (1 May 2024)

    Component of the following Super Panels:

  • Hypotonic infant
  • Other rare neuromuscular disorders
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Red
    • NHS GMS
    • Yorkshire and North East GLH
    • Expert Review
    Phenotypes
    • Mitochondrial DNA depletion syndrome 4A (Alpers type), 203700
    Red POLG 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
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE)
    Green POLG 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
    • Required for mtDNA maintenance (Mitochondrial respiratory chain disorders (caused by nuclear variants only))
    • Mitochondrial DNA depletion syndrome 4A (Alpers type)
    • Progressive external ophthalmoplegia, autosomal recessive, 258450
    • Progressive external ophthalmoplegia, autosomal dominant, 157640
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), 613662
    • Mitochondrial DNA depletion syndrome 4A (Alpers type), 203700
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), 607459
    • Mitochondrial DNA Depletion Syndrome
    • Progressive External Ophthalmoplegia with Mitochondrial DNA Deletions
    Green POLG 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
    • Progressive external ophthalmoplegia, autosomal dominant, 157640
    • Progressive external ophthalmoplegia, autosomal recessive, 258450
    • Mitochondrial DNA depletion syndrome 4A (Alpers type), 203700
    • Progressive External Ophthalmoplegia with Mitochondrial DNA Deletions
    • Required for mtDNA maintenance (Mitochondrial respiratory chain disorders (caused by nuclear variants only))
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), 613662
    • Mitochondrial DNA depletion syndrome 4A (Alpers type)
    • Mitochondrial DNA Depletion Syndrome
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), 607459
    Green POLG 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
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • Mitochondrial DNA depletion syndrome 4A (Alpers type), 203700
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), 607459
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), 613662
    • Progressive external ophthalmoplegia, autosomal dominant 1, 157640
    • Progressive external ophthalmoplegia, autosomal recessive 1, 258450
    Amber POLG in Fetal anomalies


    Version 4.1
    Latest signed off version: v4.0 (1 May 2024)

    review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Amber
    • PAGE DD-Gene2Phenotype
    Phenotypes
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), OMIM:607459
    • Mitochondrial DNA depletion syndrome 4A (Alpers type), OMIM:203700
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), OMIM:613662
    Green POLG in DDG2P


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

    Component of the following Super Panels:

  • Paediatric disorders
  • review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • DD-Gene2Phenotype
    • Expert Review Green
    Phenotypes
    • MITOCHONDRIAL DNA DEPLETION SYNDROME 4A 203700
    Green POLG 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
    • NHS GMS
    • London North GLH
    • Expert Review Green
    • Emory Genetics Laboratory
    • Expert list
    Phenotypes
    • Cardiomyopathy
    • sensory ataxia neuropathy dysarthria and ophthalmoplegia (SANDO)
    • Mitochondrial DNA depletion syndrome 4A (Alpers type)
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type)
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE)
    • Progressive external ophthalmoplegia, autosomal dominant 1
    • Progressive external ophthalmoplegia, autosomal recessive 1
    Green POLG 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
    • UKGTN
    • Expert
    • Expert Review Green
    Phenotypes
    • Mitochondrial DNA depletion syndrome 4A (Alpers type)
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type)
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE)
    Green POLG 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
    Phenotypes
    • MITOCHONDRIAL DNA DEPLETION SYNDROME 4A (ALPERS TYPE)
    Green POLG 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
    • Expert Review Green
    • Eligibility statement exclusion criteria
    • UKGTN
    • Radboud University Medical Center, Nijmegen
    • Expert
    Phenotypes
    • Progressive external ophthalmoplegia, autosomal recessive, 258450
    • Progressive external ophthalmoplegia, autosomal dominant, 157640
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), 613662
    • Mitochondrial DNA depletion syndrome 4A (Alpers type), 203700
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), 607459
    • Mitochondrial DNA Depletion Syndrome
    • Progressive External Ophthalmoplegia with Mitochondrial DNA Deletions
    Green POLG 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 recessive ataxia syndrome (includes SANDO and SCAE)
    • Mitochondrial recessive ataxia syndrome, 607459
    • autosomal recessive progressive external opthalmoplegia, 258450
    • autosomal dominant progressive external ophthalmoplegia, 157640
    • Mitochondrial DNA depletion types 4A, 203700 and 4B, 613662
    Amber POLG 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
    • Emory Genetics Laboratory
    • Expert list
    • London North GLH
    • NHS GMS
    • NHS GMS
    • London North GLH
    Phenotypes
    • sensory ataxia neuropathy dysarthria and ophthalmoplegia (SANDO)
    • Mitochondrial DNA depletion syndrome 4A (Alpers type)
    • Cardiomyopathy
    • Progressive external ophthalmoplegia, autosomal recessive 1
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE)
    • Progressive external ophthalmoplegia, autosomal dominant 1
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type)
    Red POLG 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 POLG 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
    • Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), 607459
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), 613662
    • Mitochondrial DNA depletion syndrome 4A (Alpers type), 203700
    • Progressive external ophthalmoplegia, autosomal recessive 1, 258450
    • Progressive external ophthalmoplegia, autosomal dominant 1, 157640
    Green POLG in Acute rhabdomyolysis

    Level 3: Neuromuscular disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.18
    Latest signed off version: v1.7 (31 May 2023)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • Progressive external ophthalmoplegia, autosomal recessive 1, OMIM:258450
    • Progressive external ophthalmoplegia, autosomal dominant 1, OMIM:157640
    Green POLG in Paediatric pseudo-obstruction syndrome


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

    review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Green
    • Expert list
    Phenotypes
    • Mitochondrial DNA depletion syndrome 4B (MNGIE type), OMIM:613662
    Green POLG in POLG-related disorder


    Version 1.1
    Latest signed off version: v1.0 (14 Sep 2023)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • NHS GMS
    • Expert Review Green