NM_017780.4(CHD7):c.2613+1del AND CHARGE association

Germline classification:: Likely pathogenic (1 submission)
Last evaluated:: Sep 12, 2016
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:: RCV000457698.1

Allele description [Variation Report for NM_017780.4(CHD7):c.2613+1del]

NM_017780.4(CHD7):c.2613+1del

Gene:

CHD7:chromodomain helicase DNA binding protein 7 [Gene - OMIM - HGNC]

Variant type:

Deletion

Cytogenetic location:

8q12.2

Genomic location:

Preferred name:

NM_017780.4(CHD7):c.2613+1del

HGVS:

NC_000008.11:g.60816502del
NG_007009.1:g.142723del
NM_001316690.1:c.1716+35452del
NM_017780.4:c.2613+1delMANE SELECT
LRG_176:g.142723del
NC_000008.10:g.61729061del
NM_017780.3:c.2613+1delG

Links:

dbSNP: rs1060503189

NCBI 1000 Genomes Browser:

rs1060503189

Molecular consequence:

NM_001316690.1:c.1716+35452del - intron variant - [Sequence Ontology: SO:0001627]
NM_017780.4:c.2613+1del - splice donor variant - [Sequence Ontology: SO:0001575]

Condition(s)

Name:: CHARGE association (CHARGE)
Synonyms:: CHARGE ASSOCIATION--COLOBOMA, HEART ANOMALY, CHOANAL ATRESIA, RETARDATION, GENITAL AND EAR ANOMALIES; CHARGE syndrome; Coloboma, heart anomaly, choanal atresia, retardation, genital and ear anomalies; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0008965; MedGen: C0265354; Orphanet: 138; OMIM: 214800

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000552240	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Likely pathogenic (Sep 12, 2016)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000552240

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Likely pathogenic
(Sep 12, 2016)

germline

clinical testing

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

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

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, SCV000552240.2

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

Description

This sequence change affects a donor splice site in intron 8 of the CHD7 gene. It is expected to disrupt RNA splicing and likely results in an absent or disrupted protein product. This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a CHD7-related disease. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may alter RNA splicing, but this prediction has not been confirmed by published transcriptional studies. In summary, donor and acceptor splice site variants are typically loss-of-function (PMID: 16199547), and loss-of-function variants in CHD7 are known to be pathogenic (PMID: 16400610, 22461308). However, without additional functional and/or genetic data, this variant has been classified as Likely Pathogenic.

#	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: Jun 10, 2023

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