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NC_012920.1(MT-CYB):m.5575T>C AND Juvenile myopathy, encephalopathy, lactic acidosis AND stroke

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Jul 12, 2019
Review status:
1 star out of maximum of 4 stars
criteria provided, single submitter
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:
RCV000850804.1

Allele description [Variation Report for NC_012920.1(MT-CYB):m.5575T>C]

NC_012920.1(MT-CYB):m.5575T>C

Gene:
MT-TW:mitochondrially encoded tRNA tryptophan [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Genomic location:
Preferred name:
NC_012920.1(MT-CYB):m.5575T>C
HGVS:
NC_012920.1:m.5575T>C
Links:
dbSNP: rs1603220034
NCBI 1000 Genomes Browser:
rs1603220034

Condition(s)

Name:
Juvenile myopathy, encephalopathy, lactic acidosis AND stroke (MELAS)
Synonyms:
Mitochondrial encephalomyopathy lactic acidosis and stroke-like episodes; MELAS syndrome
Identifiers:
MONDO: MONDO:0010789; MedGen: C0162671; Orphanet: 550; OMIM: 540000

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Assertion and evidence details

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Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000993037Wong Mito Lab, Molecular and Human Genetics, Baylor College of Medicine
criteria provided, single submitter

(Modified ACMG Guidelines (Unpublished))		Uncertain significance
(Jul 12, 2019) 		germlineclinical testing

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

Citation Link

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Summary from all submissions

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

Citations

PubMed

Interpretation of mitochondrial tRNA variants.

Wong LC, Chen T, Wang J, Tang S, Schmitt ES, Landsverk M, Li F, Wang Y, Zhang S, Zhang VW, Craigen WJ.

Genet Med. 2020 May;22(5):917-926. doi: 10.1038/s41436-019-0746-0. Epub 2020 Jan 22. Erratum in: Genet Med. 2020 May;22(5):979. doi: 10.1038/s41436-020-0770-0. Genet Med. 2020 Jun;22(6):1130. doi: 10.1038/s41436-020-0802-9.

PubMed [citation]
PMID:
31965079

Details of each submission

From Wong Mito Lab, Molecular and Human Genetics, Baylor College of Medicine, SCV000993037.1

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

Description

The NC_012920.1:m.5575T>C variant in MT-TW gene is interpreted to be a Unknown Significance variant based on the modified ACMG guidelines (unpublished). This variant meets the following evidence codes reported in the guidelines: PP3

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

Last Updated: Dec 11, 2022