VCV002422565.3 - ClinVar

NC_000007.13:g.(?_152617597)_(158500659_?)del

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.

(2)

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.

Pathogenic

criteria provided, single submitter

Somatic

No data submitted for somatic clinical impact

Somatic

No data submitted for oncogenicity

Variant Details

Identifiers

NC_000007.13:g.(?_152617597)_(158500659_?)del

Variation ID: 2422565 Accession: VCV002422565.3

Type and length

Deletion, 5,883,063 bp

Location

Cytogenetic: 7q36.2-36.3 7: 152617597-158500659 (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	Feb 13, 2023	Nov 11, 2023	Jun 29, 2022

HGVS

Nucleotide	Protein	Molecular consequence
NC_000007.13:g.(?_152617597)_(158500659_?)del

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.
MNX1		Sufficient evidence for dosage pathogenicity	No evidence available	GRCh38 GRCh37	237	409
SHH		Sufficient evidence for dosage pathogenicity	No evidence available	GRCh38 GRCh37	363	606
RNF32		Dosage sensitivity unlikely	No evidence available	GRCh38 GRCh37	7	117
DNAJB6		No evidence available	No evidence available	GRCh38 GRCh37	444	536
EN2		No evidence available	No evidence available	GRCh38 GRCh37	37	120
CNPY1		-	-	GRCh38 GRCh37	6	91
HTR5A		-	-	GRCh38 GRCh37	15	109
INSIG1		-	-	GRCh38 GRCh37	6	102
LMBR1		-	-	GRCh38 GRCh37	218	562
NCAPG2		-	-	GRCh38 GRCh37	101	229

There are 5 more genes affected by this variant. See the full set of genes in Variation Viewer (GRCh37) and ClinGen Dosage Sensitivity Map.

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	Pathogenic (1)	criteria provided, single submitter	Jun 29, 2022	RCV003122160.3
Holoprosencephaly 3	no classifications from unflagged records (1)	no classifications from unflagged records	-	RCV003122159.6

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.
Pathogenic (Jun 29, 2022)	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015)) Method: clinical testing	not provided Affected status: unknown Allele origin: germline	Labcorp Genetics (formerly Invitae), Labcorp Accession: SCV003794820.2 First in ClinVar: Feb 13, 2023 Last updated: Nov 11, 2023	Publications: PubMed (5) PubMed: 10631160‚ 10749657‚ 16254195‚ 24095820‚ 23370340 Comment: A gross deletion of the genomic region encompassing the full coding sequence of the MNX1 gene has been identified. Loss-of-function variants in MNX1 are known … (more) A gross deletion of the genomic region encompassing the full coding sequence of the MNX1 gene has been identified. Loss-of-function variants in MNX1 are known to be pathogenic (PMID: 10631160, 10749657, 16254195, 24095820). The boundaries of this event are unknown as they extend beyond the assayed region for this gene and therefore may encompass additional genes. A similar copy number variant has been observed in individual(s) with Currarino syndrome (PMID: 23370340). For these reasons, this variant has been classified as Pathogenic. (less)
Pathogenic (Jun 29, 2022)	Flagged submission flagged submission (Invitae Variant Classification Sherloc (09022015)) Method: clinical testing Reason: This record appears to be redundant with a more recent record from the same submitter. Notes: SCV003790844 appears to (...more) Source: NCBI	Holoprosencephaly 3 Affected status: unknown Allele origin: germline	Labcorp Genetics (formerly Invitae), Labcorp Accession: SCV003790844.2 First in ClinVar: Feb 13, 2023 Last updated: Nov 11, 2023	Publications: PubMed (5) PubMed: 19603532‚ 20425842‚ 21976454‚ 29992659‚ 31334757 Comment: A gross deletion of the genomic region encompassing the full coding sequence of the SHH gene has been identified. Loss-of-function variants in SHH are known … (more) A gross deletion of the genomic region encompassing the full coding sequence of the SHH gene has been identified. Loss-of-function variants in SHH are known to be pathogenic (PMID: 19603532). The boundaries of this event are unknown as they extend beyond the assayed region for this gene and therefore may encompass additional genes. Isolated whole-gene deletions of SHH have not been reported in the literature. However, larger copy number events that include this gene have been reported (PMID: 20425842, 21976454, 29992659, 31334757). For these reasons, this variant has been classified as Pathogenic. (less)
Flagged submissions do not contribute to the aggregate classification or review status for the variant. Learn more

Comment:

A gross deletion of the genomic region encompassing the full coding sequence of the MNX1 gene has been identified. Loss-of-function variants in MNX1 are known to be pathogenic (PMID: 10631160, 10749657, 16254195, 24095820). The boundaries of this event are unknown as they extend beyond the assayed region for this gene and therefore may encompass additional genes. A similar copy number variant has been observed in individual(s) with Currarino syndrome (PMID: 23370340). For these reasons, this variant has been classified as Pathogenic.

Comment:

A gross deletion of the genomic region encompassing the full coding sequence of the SHH gene has been identified. Loss-of-function variants in SHH are known to be pathogenic (PMID: 19603532). The boundaries of this event are unknown as they extend beyond the assayed region for this gene and therefore may encompass additional genes. Isolated whole-gene deletions of SHH have not been reported in the literature. However, larger copy number events that include this gene have been reported (PMID: 20425842, 21976454, 29992659, 31334757). For these reasons, this variant has been classified as Pathogenic.

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
Cohesin complex-associated holoprosencephaly.	Kruszka P	Brain : a journal of neurology	2019	PMID: 31334757
Common genetic causes of holoprosencephaly are limited to a small set of evolutionarily conserved driver genes of midline development coordinated by TGF-β, hedgehog, and FGF signaling.	Roessler E	Human mutation	2018	PMID: 29992659
Novel MNX1 mutations and clinical analysis of familial and sporadic Currarino cases.	Merello E	European journal of medical genetics	2013	PMID: 24095820
A 5.8 kb deletion removing the entire MNX1 gene in a Norwegian family with Currarino syndrome.	Holm I	Gene	2013	PMID: 23370340
A broad range of ophthalmologic anomalies is part of the holoprosencephaly spectrum.	Pineda-Alvarez DE	American journal of medical genetics. Part A	2011	PMID: 21976454
Sonic hedgehog mutations are an uncommon cause of developmental eye anomalies.	Bakrania P	American journal of medical genetics. Part A	2010	PMID: 20425842
The mutational spectrum of holoprosencephaly-associated changes within the SHH gene in humans predicts loss-of-function through either key structural alterations of the ligand or its altered synthesis.	Roessler E	Human mutation	2009	PMID: 19603532
Population differences in the polyalanine domain and 6 new mutations in HLXB9 in patients with Currarino syndrome.	Garcia-Barceló M	Clinical chemistry	2006	PMID: 16254195
Mutation analysis and embryonic expression of the HLXB9 Currarino syndrome gene.	Hagan DM	American journal of human genetics	2000	PMID: 10749657
Involvement of the HLXB9 homeobox gene in Currarino syndrome.	Belloni E	American journal of human genetics	2000	PMID: 10631160

Text-mined citations for this variant ...

Record last updated Oct 13, 2024

ClinVar Genomic variation as it relates to human health

NC_000007.13:g.(?_152617597)_(158500659_?)del

Variant Details

Genes

Conditions - Germline

Submissions - Germline

Germline Functional Evidence

Citations for germline classification of this variant

Text-mined citations for this variant ...