Likely inborn error of metabolism - targeted testing not possible
Gene: POLG
Mode of inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Variants in this GENE are reported as part of current diagnostic practice
Mode of inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Phenotypes
Rhabdomyolysis and metabolic muscle disorders
Publications
Comment on mode of inheritance: Sourced from reviewer. Biallelic on G2P for Mitochondrial DNA depletion syndrome 4A. From OMIM: Autosomal recessive for several disorders, but autosomal dominant for Progressive external ophthalmoplegia, autosomal dominant 1.Created: 10 Feb 2016, 9:29 a.m.
Comment on list classification: Both reviewers agree this should be promoted from amber. Confirmed DD gene in G2P.Created: 10 Feb 2016, 9:26 a.m.
Source NHS GMS was added to POLG. Source London North GLH was added to POLG.
Ellen McDonagh: Comment on mode of pathogenici
Added phenotypes Progressive external ophthalmoplegia, autosomal dominant, 157640; Mitochondrial DNA depletion syndrome 4A (Alpers type), 203700; Progressive external ophthalmoplegia, autosomal recessive, 258450; Required for mtDNA maintenance (Mitochondrial respiratory chain disorders (caused by nuclear variants only)); Progressive External Ophthalmoplegia with Mitochondrial DNA Deletions; 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 for gene: POLG Publications for gene POLG were changed from to 27604308
gene: POLG was added gene: POLG was added to Inborn errors of metabolism. Sources: Expert Review Green Mode of inheritance for gene: POLG was set to BOTH monoallelic and biallelic, autosomal or pseudoautosomal Phenotypes for gene: POLG were set to 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; Mitochondrial DNA depletion syndrome 4B (MNGIE type), 613662; Mitochondrial DNA Depletion Syndrome; Mitochondrial recessive ataxia syndrome (includes SANDO and SCAE), 607459