NM_152564.5(VPS13B):c.7669G>A (p.Asp2557Asn) AND Cohen syndrome

Germline classification:: Conflicting interpretations of pathogenicity (4 submissions)
Last evaluated:: Jan 29, 2024
Review status:: criteria provided, conflicting classifications

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:: RCV001049653.10

Allele description [Variation Report for NM_152564.5(VPS13B):c.7669G>A (p.Asp2557Asn)]

NM_152564.5(VPS13B):c.7669G>A (p.Asp2557Asn)

Gene:

VPS13B:vacuolar protein sorting 13 homolog B [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

8q22.2

Genomic location:

Preferred name:

NM_152564.5(VPS13B):c.7669G>A (p.Asp2557Asn)

HGVS:

NC_000008.11:g.99778921G>A
NG_007098.2:g.770656G>A
NM_017890.5:c.7744G>A
NM_152564.4:c.7669G>A
NM_152564.5:c.7669G>AMANE SELECT
NP_060360.3:p.Asp2582Asn
NP_060360.3:p.Asp2582Asn
NP_689777.3:p.Asp2557Asn
LRG_351t1:c.7744G>A
LRG_351t2:c.7669G>A
LRG_351:g.770656G>A
LRG_351p1:p.Asp2582Asn
NC_000008.10:g.100791149G>A
NM_017890.3:c.7744G>A
NM_017890.4:c.7744G>A

Protein change:

D2557N

Links:

dbSNP: rs773242093

NCBI 1000 Genomes Browser:

rs773242093

Molecular consequence:

NM_017890.5:c.7744G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_152564.5:c.7669G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Cohen syndrome (COH1)
Synonyms:: Pepper syndrome; Cutis verticis gyrata, retinitis pigmentosa, and sensorineural deafness
Identifiers:: MONDO: MONDO:0008999; MedGen: C0265223; Orphanet: 193; OMIM: 216550

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001213718	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Benign (Jan 29, 2024)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001440448	Institute of Human Genetics, University of Leipzig Medical Center	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Jan 1, 2019)	unknown	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001460401	Natera, Inc.	no assertion criteria provided	Uncertain significance (Nov 11, 2019)	germline	clinical testing
SCV001529784	Baylor Genetics	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Jan 29, 2018)	unknown	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
not provided	unknown	yes	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	unknown	no	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. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001213718.4

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

#	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

From Institute of Human Genetics, University of Leipzig Medical Center, SCV001440448.1

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

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	unknown	no	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Natera, Inc., SCV001460401.1

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

#	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

From Baylor Genetics, SCV001529784.1

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

Description

This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868].

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

Last Updated: Sep 29, 2024

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