NC_012920.1(MT-CO2):m.7706G>A AND Leigh syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 17, 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:: RCV000854091.1

Allele description [Variation Report for NC_012920.1(MT-CO2):m.7706G>A]

NC_012920.1(MT-CO2):m.7706G>A

Gene:

MT-CO2:mitochondrially encoded cytochrome c oxidase II [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Genomic location:

Preferred name:

NC_012920.1(MT-CO2):m.7706G>A

HGVS:

NC_012920.1:m.7706G>A

Links:

dbSNP: rs1556423333

NCBI 1000 Genomes Browser:

rs1556423333

Condition(s)

Name:: Leigh syndrome (NULS)
Synonyms:: Leigh Disease; Subacute necrotizing encephalopathy; Necrotizing encephalopathy infantile subacute of Leigh; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0009723; MedGen: C0023264; Orphanet: 506; OMIM: 256000

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Chain A, Dynein light chain Tctex-type 1,Rho guanine nucleotide exchange factor ...
Chain A, Dynein light chain Tctex-type 1,Rho guanine nucleotide exchange factor 2
gi|1279526634|pdb|5WI4|A

Protein

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000997124	Wong Mito Lab, Molecular and Human Genetics, Baylor College of Medicine	criteria provided, single submitter (Modified ACMG Guidelines (Unpublished))	Uncertain significance (Oct 17, 2019)	germline	clinical testing	PubMed (1) [See all records that cite this PMID] Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000997124

Wong Mito Lab, Molecular and Human Genetics, Baylor College of Medicine

criteria provided, single submitter

(Modified ACMG Guidelines (Unpublished))

Uncertain significance
(Oct 17, 2019)

germline

clinical testing

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

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

A mutation in mitochondrial DNA-encoded cytochrome c oxidase II gene in a child with Alpers-Huttenlocher-like disease.

Uusimaa J, Finnilä S, Vainionpää L, Kärppä M, Herva R, Rantala H, Hassinen IE, Majamaa K.

Pediatrics. 2003 Mar;111(3):e262-8.

PubMed [citation]

PMID:: 12612282

Details of each submission

From Wong Mito Lab, Molecular and Human Genetics, Baylor College of Medicine, SCV000997124.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

The NC_012920.1:m.7706G>A (YP_003024029.1:p.Ala41Thr) variant in MTCO2 gene is interpretated to be a Uncertain Significance variant based on the modified ACMG guidelines (unpublished). This variant meets the following evidence codes: PM9, PP6, BS4

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: May 19, 2024

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