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NM_000551.4(VHL):c.340+755del AND multiple conditions

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Jul 5, 2022
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:
RCV002685756.4

Allele description [Variation Report for NM_000551.4(VHL):c.340+755del]

NM_000551.4(VHL):c.340+755del

Genes:
LOC107303340:3p25 von Hippel-Lindau tumor suppressor, E3 ubiquitin protein ligase Alu-mediated recombination region [Gene]
VHL:von Hippel-Lindau tumor suppressor [Gene - OMIM - HGNC]
Variant type:
Deletion
Cytogenetic location:
3p25.3
Genomic location:
Preferred name:
NM_000551.4(VHL):c.340+755del
HGVS:
  • NC_000003.12:g.10142942del
  • NG_008212.3:g.6308del
  • NG_046756.1:g.704del
  • NG_088598.1:g.348del
  • NM_000551.4:c.340+755delMANE SELECT
  • NM_001354723.2:c.520del
  • NM_198156.3:c.340+755del
  • NP_001341652.1:p.Cys174fs
  • LRG_322:g.6308del
  • NC_000003.11:g.10184625del
  • NC_000003.11:g.10184626del
  • NR_176335.1:n.590delT
Protein change:
C174fs
Molecular consequence:
  • NM_001354723.2:c.520del - frameshift variant - [Sequence Ontology: SO:0001589]
  • NM_000551.4:c.340+755del - intron variant - [Sequence Ontology: SO:0001627]
  • NM_198156.3:c.340+755del - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:
Chuvash polycythemia
Synonyms:
POLYCYTHEMIA, VHL-DEPENDENT; Erythrocytosis, familial, 2
Identifiers:
MONDO: MONDO:0009892; MedGen: C1837915; Orphanet: 238557; OMIM: 263400
Name:
Von Hippel-Lindau syndrome (VHLS)
Synonyms:
VHL syndrome; Von Hippel-Lindau
Identifiers:
MONDO: MONDO:0008667; MedGen: C0019562; Orphanet: 892; OMIM: 193300

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV002980848Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Jul 5, 2022) 		germlineclinical testing

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

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Identification of a new VHL exon and complex splicing alterations in familial erythrocytosis or von Hippel-Lindau disease.

Lenglet M, Robriquet F, Schwarz K, Camps C, Couturier A, Hoogewijs D, Buffet A, Knight SJL, Gad S, Couvé S, Chesnel F, Pacault M, Lindenbaum P, Job S, Dumont S, Besnard T, Cornec M, Dreau H, Pentony M, Kvikstad E, Deveaux S, Burnichon N, et al.

Blood. 2018 Aug 2;132(5):469-483. doi: 10.1182/blood-2018-03-838235. Epub 2018 Jun 11.

PubMed [citation]
PMID:
29891534

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

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002980848.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (2)

Description

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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant is not likely to affect RNA splicing. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. This variant has not been reported in the literature in individuals affected with VHL-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change falls in intron 1 of the VHL gene. It is not expected to change the encoded amino acid sequence of the VHL protein. However, this sequence change falls within a cryptic exon in the VHL gene, known as exon E1’, which is naturally expressed at low levels in several human tissues (PMID: 29891534).

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Sep 29, 2024