VCV001328448.4 - ClinVar

GRCh37/hg19 1q42.13(chr1:227782268-229506509)x1

Germline

Classification

The aggregate germline classification for this variant, typically for a monogenic or Mendelian disorder as in the ACMG/AMP guidelines, or for response to a drug. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the aggregate classification.

(1)

Stars represent the aggregate review status, or the level of review supporting the aggregate germline classification for this VCV record. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status. The number of submissions which contribute to this review status is shown in parentheses.

Uncertain significance

criteria provided, single submitter

Somatic

No data submitted for somatic clinical impact

Somatic

No data submitted for oncogenicity

Variant Details

Identifiers

GRCh37/hg19 1q42.13(chr1:227782268-229506509)x1

Variation ID: 1328448 Accession: VCV001328448.4

Type and length

copy number loss, 1,724,242 bp

Location

Cytogenetic: 1q42.13 1: 227782268-229506509 (GRCh37) [ NCBI UCSC ]

Timeline in ClinVar

	First in ClinVar Help The date this variant first appeared in ClinVar with each type of classification.	Last submission Help The date of the most recent submission for each type of classification for this variant.	Last evaluated Help The most recent date that a submitter evaluated this variant for each type of classification.
Germline	Dec 18, 2021	Dec 18, 2021	Mar 3, 2021

HGVS

Protein change

Other names

Canonical SPDI

Functional consequence Help The effect of the variant on RNA or protein function, based on experimental evidence from submitters.

Global minor allele frequency (GMAF) Help The global minor allele frequency calculated by the 1000 Genomes Project. The minor allele at this location is indicated in parentheses and may be different from the allele represented by this VCV record.

Allele frequency Help The frequency of the allele represented by this VCV record.

Links

VarSome

Genes

Gene	OMIM	ClinGen Gene Dosage Sensitivity Curation		Variation Viewer Help Links to Variation Viewer, a genome browser to view variation data from NCBI databases.	Related variants
Gene	OMIM	HI score Help The haploinsufficiency score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.	TS score Help The triplosensitivity score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.		Within gene Help The number of variants in ClinVar that are contained within this gene, with a link to view the list of variants.	All Help The number of variants in ClinVar for this gene, including smaller variants within the gene and larger CNVs that overlap or fully contain the gene.
ARF1		-	-	GRCh38 GRCh37	1	76
BTNL10	-	-	-	GRCh38 GRCh38 GRCh37	-	45
C1orf35	-	-	-	GRCh38 GRCh37	2	46
CCSAP		-	-	GRCh38 GRCh37	7	50
GJC2		-	-	GRCh38 GRCh37	348	392
GUK1		-	-	GRCh38 GRCh37	17	64
H2AC25		-	-	GRCh38 GRCh38 GRCh37	13	52
H2BC26		-	-	GRCh38 GRCh38 GRCh37	11	50
H3-4		-	-	GRCh38 GRCh38 GRCh37	23	68
IBA57		-	-	GRCh38 GRCh37	257	304

There are 14 more genes affected by this variant. See the full set of genes in Variation Viewer (GRCh37).

Conditions - Germline

Condition Help The condition for this variant-condition (RCV) record in ClinVar.	Classification Help The aggregate germline classification for this variant-condition (RCV) record in ClinVar. The number of submissions that contribute to this aggregate classification is shown in parentheses. (# of submissions)	Review status Help The aggregate review status for this variant-condition (RCV) record in ClinVar. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status.	Last evaluated Help The most recent date that a submitter evaluated this variant for the condition.	Variation/condition record Help The RCV accession number, with most recent version number, for the variant-condition record, with a link to the RCV web page.
not provided	Uncertain significance (1)	criteria provided, single submitter	Mar 3, 2021	RCV001795846.4

Submissions - Germline

Classification Help The submitted germline classification for each SCV record. (Last evaluated)	Review status Help Stars represent the review status, or the level of review supporting the submitted (SCV) record. This value is calculated by NCBI based on data from the submitter. Read our rules for calculating the review status. This column also includes a link to the submitter’s assertion criteria if provided, and the collection method. (Assertion criteria)	Condition Help The condition for the classification, provided by the submitter for this submitted (SCV) record. This column also includes the affected status and allele origin of individuals observed with this variant.	Submitter Help The submitting organization for this submitted (SCV) record. This column also includes the SCV accession and version number, the date this SCV first appeared in ClinVar, and the date that this SCV was last updated in ClinVar.	More information Help This column includes more information supporting the classification, including citations, the comment on classification, and detailed evidence provided as observations of the variant by the submitter.
Uncertain significance (Mar 03, 2021)	criteria provided, single submitter (ICSL CNVClassificationCriteria Aug2020) Method: clinical testing	not provided Affected status: unknown Allele origin: unknown	Illumina Laboratory Services, Illumina Accession: SCV002037170.1 First in ClinVar: Dec 18, 2021 Last updated: Dec 18, 2021	Publications: PubMed (3) PubMed: 19344873‚ 24174537‚ 25217958 Comment: This CNV is an inherited 1.7 Mb deletion of 1q42.13, on chromosome 1, (seq[GRCh37]del(1)(q42.13); chr1:g.227782268_229506509del). This CNV constitutes a loss encompassing 21 protein coding genes. … (more) This CNV is an inherited 1.7 Mb deletion of 1q42.13, on chromosome 1, (seq[GRCh37]del(1)(q42.13); chr1:g.227782268_229506509del). This CNV constitutes a loss encompassing 21 protein coding genes. Patients with similar losses in this region have not been reported in the peer-reviewed literature. There are no deletions of similar size identified in this region in the DECIPHER database (Firth et al. 2009). This CNV has not been reported in controls (MacDonald et al. 2013; Coe et al. 2014). Based on the limited evidence currently available, this CNV is classified as a variant of uncertain significance. (less)

Comment:

This CNV is an inherited 1.7 Mb deletion of 1q42.13, on chromosome 1, (seq[GRCh37]del(1)(q42.13); chr1:g.227782268_229506509del). This CNV constitutes a loss encompassing 21 protein coding genes. Patients with similar losses in this region have not been reported in the peer-reviewed literature. There are no deletions of similar size identified in this region in the DECIPHER database (Firth et al. 2009). This CNV has not been reported in controls (MacDonald et al. 2013; Coe et al. 2014). Based on the limited evidence currently available, this CNV is classified as a variant of uncertain significance.

Germline Functional Evidence

There is no functional evidence in ClinVar for this variation. If you have generated functional data for this variation, please consider submitting that data to ClinVar.

Comment:

Citations for germline classification of this variant

Title	Author	Journal	Year	Link
Refining analyses of copy number variation identifies specific genes associated with developmental delay.	Coe BP	Nature genetics	2014	PMID: 25217958
The Database of Genomic Variants: a curated collection of structural variation in the human genome.	MacDonald JR	Nucleic acids research	2014	PMID: 24174537
DECIPHER: Database of Chromosomal Imbalance and Phenotype in Humans Using Ensembl Resources.	Firth HV	American journal of human genetics	2009	PMID: 19344873

Text-mined citations for this variant ...

Record last updated Apr 09, 2023

ClinVar Genomic variation as it relates to human health

GRCh37/hg19 1q42.13(chr1:227782268-229506509)x1

Variant Details

Genes

Conditions - Germline

Submissions - Germline

Germline Functional Evidence

Citations for germline classification of this variant

Text-mined citations for this variant ...