NC_000023.10:g.(?_77264579)_(77264780_?)dup AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 21, 2021
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:: RCV003119185.3

Allele description [Variation Report for NC_000023.10:g.(?_77264579)_(77264780_?)dup]

NC_000023.10:g.(?_77264579)_(77264780_?)dup

Gene:: ATP7A:ATPase copper transporting alpha [Gene - OMIM - HGNC]
Variant type:: Duplication
Cytogenetic location:: Xq21.1
Genomic location:: ChrX: 77264579 - 77264780 (on Assembly GRCh37)
Preferred name:: NC_000023.10:g.(?_77264579)_(77264780_?)dup
HGVS:: NC_000023.10:g.(?_77264579)_(77264780_?)dup
This HGVS expression did not pass validation

Condition(s)

Name:: Menkes kinky-hair syndrome (MNK)
Synonyms:: Kinky hair disease; Copper transport disease; Menkes Disease
Identifiers:: MONDO: MONDO:0010651; MedGen: C0022716; Orphanet: 565; OMIM: 309400

Name:: Cutis laxa, X-linked (OHS)
Synonyms:: EDS IX; Occipital horn syndrome; Ehlers-Danlos syndrome, occipital horn type (formerly); See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0010572; MedGen: C0268353; Orphanet: 198; OMIM: 304150

Name:: X-linked distal spinal muscular atrophy type 3
Synonyms:: SPINAL MUSCULAR ATROPHY, DISTAL, X-LINKED RECESSIVE; NEURONOPATHY, DISTAL HEREDITARY MOTOR, X-LINKED; NEUROPATHY, DISTAL HEREDITARY MOTOR, X-LINKED
Identifiers:: MONDO: MONDO:0010338; MedGen: C1845359; Orphanet: 139557; OMIM: 300489

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003790148	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Dec 21, 2021)	germline	clinical testing	PubMed (2) [See all records that cite these PMIDs] 25640679, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV003790148

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Dec 21, 2021)

germline

clinical testing

PubMed (2)
[See all records that cite these PMIDs]

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

Next-generation sequencing of duplication CNVs reveals that most are tandem and some create fusion genes at breakpoints.

Newman S, Hermetz KE, Weckselblatt B, Rudd MK.

Am J Hum Genet. 2015 Feb 5;96(2):208-20. doi: 10.1016/j.ajhg.2014.12.017. Epub 2015 Jan 29.

PubMed [citation]

PMID:: 25640679
PMCID:: PMC4320257

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240-242.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Invitae, SCV003790148.2

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (2)

Description

This variant results in a copy number gain of the genomic region encompassing exon(s) 7 of the ATP7A gene. While the exact position of this variant cannot be determined from the data, sub-genic copy number gains are generally in tandem (PMID: 25640679). This variant is predicted to be in-frame, and likely preserves the integrity of the reading frame. This variant has not been reported in the literature in individuals affected with ATP7A-related conditions. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

#	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: Nov 11, 2023

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