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Inborn errors of metabolism

Gene: ALAS2

Green List (high evidence)

ALAS2 (5'-aminolevulinate synthase 2)
EnsemblGeneIds (GRCh38): ENSG00000158578
EnsemblGeneIds (GRCh37): ENSG00000158578
OMIM: 301300, Gene2Phenotype
ALAS2 is in 14 panels

1 review

Sarah Leigh (Genomics England Curator)

Green List (high evidence)

This gene was part of an initial gene list collated by Emma Ashton on behalf of the London North GLH, for GMS Metabolic Consensus Specialist Test Group. Additional information was not provided, such as mode of inheritance and phenotype. Associated with phenotype in OMIM and not in Gen2Phen. At least 18 variants identified in Anemia, sideroblastic, 1 300751 and two variants in Protoporphyria, erythropoietic, X-linked 300752 in six unrelated families, together with functional studies.
Created: 22 Aug 2019, 4:02 p.m. | Last Modified: 22 Aug 2019, 4:02 p.m.
Panel Version: 1.255
Associated with phenotype in OMIM and not in Gen2Phen. At least 20 variants identified in both phenotypes
Created: 5 Aug 2019, 10:38 a.m. | Last Modified: 5 Aug 2019, 10:38 a.m.
Panel Version: 1.423

Mode of inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

Phenotypes
Anemia, sideroblastic, 1 300751; Protoporphyria, erythropoietic, X-linked 300752

Publications

Details

Mode of Inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
Sources
  • Expert Review Green
  • Expert list
  • London North GLH
  • NHS GMS
Phenotypes
  • Erythropoietic protoporphyria, mild variant
  • X-linked sideroblastic anaemia (XLSA) (Porphyrias with acute painful photosensitivity)
  • X-linked dominant protoporphyria (Porphyrias with acute painful photosensitivity)
OMIM
301300
Clinvar variants
Variants in ALAS2
Penetrance
None
Publications
Panels with this gene

History Filter Activity

22 Aug 2019, Gel status: 3

Entity classified by Genomics England curator

Sarah Leigh (Genomics England Curator)

Gene: alas2 has been classified as Green List (High Evidence).

13 Feb 2019, Gel status: 2

Added New Source, Added New Source

Ivone Leong (Genomics England Curator)

Source NHS GMS was added to ALAS2. Source London North GLH was added to ALAS2.

8 Jan 2019, Gel status: 2

Panel promoted to version 1.0

Ellen McDonagh (Genomics England Curator)

Sarah Leigh: Associated with relevant pheno

16 Dec 2018, Gel status: 2

Created, Added New Source, Set mode of inheritance, Set publications, Set Phenotypes

Ellen McDonagh (Genomics England Curator)

gene: ALAS2 was added gene: ALAS2 was added to Inborn errors of metabolism. Sources: Expert Review Amber Mode of inheritance for gene: ALAS2 was set to X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males) Publications for gene: ALAS2 were set to 27604308 Phenotypes for gene: ALAS2 were set to Erythropoietic protoporphyria, mild variant; X-linked sideroblastic anaemia (XLSA) (Porphyrias with acute painful photosensitivity); X-linked dominant protoporphyria (Porphyrias with acute painful photosensitivity)