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Undiagnosed metabolic disorders

Gene: RRM2B

Green List (high evidence)

RRM2B (ribonucleotide reductase regulatory TP53 inducible subunit M2B)
EnsemblGeneIds (GRCh38): ENSG00000048392
EnsemblGeneIds (GRCh37): ENSG00000048392
OMIM: 604712, Gene2Phenotype
RRM2B is in 21 panels

1 review

Arianna Tucci (Genomics England Curator)

Green List (high evidence)

Mode of inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal

Phenotypes
Rhabdomyolysis and metabolic muscle disorders

Publications

Details

Mode of Inheritance
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 Ribonucelotide Reductase subunit 2 deficiency (Disorders of purine metabolism)
  • Disorders of mitochondrial DNA maintenance and integrity
  • Mitochondrial DNA depletion syndrome 8A (encephalomyopathic type with renal tubulopathy), 612075
  • Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5, 613077
  • Mitochondrial DNA depletion syndrome 8B (MNGIE type), 612075
  • Mitochondrial DNA Depletion Syndrome (recessive)
OMIM
604712
Clinvar variants
Variants in RRM2B
Penetrance
Complete
Publications
Panels with this gene

History Filter Activity

24 Jan 2019, Gel status: 3

Set Phenotypes

Rebecca Foulger (Genomics England curator)

Phenotypes for gene: RRM2B were changed from Required for mtDNA maintenance (Mitochondrial respiratory chain disorders (caused by nuclear variants only)); Mitochondrial Ribonucelotide Reductase subunit 2 deficiency (Disorders of purine metabolism); Disorders of mitochondrial DNA maintenance and integrity; Mitochondrial DNA depletion syndrome 8A (encephalomyopathic type with renal tubulopathy), 612075; Progressive external ophthalmoplegia with mitochondrial DNA deletions (autosomal dominant); 5,613077Mitochondrial DNA depletion syndrome 8B (MNGIE type), 612075; Mitochondrial DNA Depletion Syndrome (recessive) to Required for mtDNA maintenance (Mitochondrial respiratory chain disorders (caused by nuclear variants only)); Mitochondrial Ribonucelotide Reductase subunit 2 deficiency (Disorders of purine metabolism); Disorders of mitochondrial DNA maintenance and integrity; Mitochondrial DNA depletion syndrome 8A (encephalomyopathic type with renal tubulopathy), 612075; Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5, 613077; Mitochondrial DNA depletion syndrome 8B (MNGIE type), 612075; Mitochondrial DNA Depletion Syndrome (recessive)

28 Mar 2017, Gel status: 4

Set Mode of Inheritance

Sarah Leigh (Genomics England Curator)

Mode of inheritance for RRM2B was changed to BOTH monoallelic and biallelic, autosomal or pseudoautosomal

28 Mar 2017, Gel status: 4

Set Mode of Inheritance

Sarah Leigh (Genomics England Curator)

Mode of inheritance for RRM2B was changed to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal

27 Feb 2017, Gel status: 4

panel promoted to version 1

Sarah Leigh (Genomics England Curator)

Construction of “Undiagnosed Metabolic Disorders” (UDM) panel • The 614 genes from the neurometabolic gene panel (PMID: 27604308) added • Green genes downloaded from V1 metabolic panels (Cerebral folate deficiency, Congenital disorders of glycosylation, Hyperammonaemia, Ketotic hypoglycaemia, Mitochondrial disorders, Mucopolysaccharideosis, Gaucher, Fabry, Peroxisomal disorders), sources replaced with "Expert review green", then loaded as a review onto UDM panel, resulting in 367 green genes and 333 red (therefore 86 new green genes included from the additional metabolic panels that weren't previously on the UDM panel) • Downloaded green genes from all panels. Removed genes from none V1 panels. Removed genes from the metabolic panels mentioned above. Compared the remaining genes with the red genes from UDM panel. Loaded as an "Expert review Amber" review to the overlapping genes, (the panel name where the genes came from was used as the phenotype) • Used variant information from PMID 27604308 to review the genes on this panel • Reviewed genes on UDM panel with genes from Emory "Inherited Metabolic Disorders: Sequencing Panel" and UKGTN “Inborn Errors of Metabolism 226 panel”, changing status where appropriate, added 14 UKGTN genes that had not be listed before • Review 10 red genes that had not previously been reviewed, 4/10 were reclassified as green • Review the remaining 145 red genes that had not previously been reviewed (shared between reviewers EM, RF, LD, AT, HB, ON & SL), resulting in 60 green, 11 amber, 70 red, 4 I don’t know reviews) • Reviewed genes from PMID: 24816252 as a publication to genes found in the Inborn error or metabolism Genes metabolomics GWAS paper (figure 5). 2 new genes added

20 Dec 2016, Gel status: 4

Set Mode of Inheritance, Added New Source

Sarah Leigh (Genomics England Curator)

RRM2B was added to Undiagnosed metabolic disorderspanel. Source: Expert Review Green Model of inheritance for gene RRM2B was set to BOTH monoallelic and biallelic, autosomal or pseudoautosomal

28 Oct 2016, Gel status: 0

Added New Source

Sarah Leigh (Genomics England Curator)

RRM2B was added to Undiagnosed metabolic disorderspanel. Sources: Literature

28 Oct 2016, Gel status: 0

Created

Sarah Leigh (Genomics England Curator)

RRM2B was created by sleigh