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NM_001083614.2(EARS2):c.263C>A (p.Ala88Glu) AND Leukoencephalopathy-thalamus and brainstem anomalies-high lactate syndrome

Germline classification:
Uncertain significance (2 submissions)
Last evaluated:
Sep 19, 2018
Review status:
2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts
Somatic classification
of clinical impact:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Somatic classification
of oncogenicity:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Record status:
current
Accession:
RCV000314264.6

Allele description [Variation Report for NM_001083614.2(EARS2):c.263C>A (p.Ala88Glu)]

NM_001083614.2(EARS2):c.263C>A (p.Ala88Glu)

Gene:
EARS2:glutamyl-tRNA synthetase 2, mitochondrial [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
16p12.2
Genomic location:
Preferred name:
NM_001083614.2(EARS2):c.263C>A (p.Ala88Glu)
Other names:
p.Ala88Glu
HGVS:
  • NC_000016.10:g.23552181G>T
  • NG_027752.2:g.10195C>A
  • NM_001083614.2:c.263C>AMANE SELECT
  • NM_001308211.1:c.263C>A
  • NP_001077083.1:p.Ala88Glu
  • NP_001077083.1:p.Ala88Glu
  • NP_001295140.1:p.Ala88Glu
  • NC_000016.9:g.23563502G>T
  • NM_001083614.1:c.263C>A
  • NR_003501.2:n.270C>A
Protein change:
A88E
Links:
dbSNP: rs201929423
NCBI 1000 Genomes Browser:
rs201929423
Molecular consequence:
  • NM_001083614.2:c.263C>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001308211.1:c.263C>A - missense variant - [Sequence Ontology: SO:0001583]
  • NR_003501.2:n.270C>A - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:
Leukoencephalopathy-thalamus and brainstem anomalies-high lactate syndrome
Synonyms:
LEUKOENCEPHALOPATHY WITH THALAMUS AND BRAINSTEM INVOLVEMENT AND HIGH LACTATE; Combined oxidative phosphorylation deficiency 12
Identifiers:
MONDO: MONDO:0013971; MedGen: C4706421; Orphanet: 314051; OMIM: 614924

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000396068Illumina Laboratory Services, Illumina
criteria provided, single submitter

(ICSL Variant Classification Criteria 13 December 2019)		Uncertain significance
(Jan 12, 2018) 		germlineclinical testing

Citation Link,

SCV001529486Baylor Genetics
criteria provided, single submitter

(ACMG Guidelines, 2015)		Uncertain significance
(Sep 19, 2018) 		unknownclinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedunknownyesnot providednot providednot providednot providednot providedclinical testing
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee.

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]
PMID:
25741868
PMCID:
PMC4544753

Details of each submission

From Illumina Laboratory Services, Illumina, SCV000396068.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From Baylor Genetics, SCV001529486.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868].

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1unknownyesnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Nov 24, 2024