NM_000551.4(VHL):c.340+730C>T AND multiple conditions

Clinical significance:Uncertain significance (Last evaluated: Feb 11, 2020)

Review status:1 star out of maximum of 4 stars

criteria provided, single submitter

Based on:
1 submission [Details]
Record status:
current
Accession:
RCV001248580.2

Allele description [Variation Report for NM_000551.4(VHL):c.340+730C>T]

NM_000551.4(VHL):c.340+730C>T

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:
single nucleotide variant
Cytogenetic location:
3p25.3
Genomic location:
Preferred name:
NM_000551.4(VHL):c.340+730C>T
HGVS:
  • NC_000003.12:g.10142917C>T
  • NG_008212.3:g.6283C>T
  • NG_046756.1:g.679C>T
  • NM_000551.4:c.340+730C>TMANE SELECT
  • NM_001354723.2:c.495C>T
  • NM_198156.3:c.340+730C>T
  • NP_001341652.1:p.Tyr165=
  • LRG_322t1:c.340+730C>T
  • LRG_322:g.6283C>T
  • NC_000003.11:g.10184601C>T
  • NM_000551.3:c.340+730C>T
Molecular consequence:
  • NM_000551.4:c.340+730C>T - intron variant - [Sequence Ontology: SO:0001627]
  • NM_198156.3:c.340+730C>T - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001354723.2:c.495C>T - synonymous variant - [Sequence Ontology: SO:0001819]

Condition(s)

Name:
Erythrocytosis, familial, 2 (ECYT2)
Synonyms:
POLYCYTHEMIA, CHUVASH TYPE; POLYCYTHEMIA, VHL-DEPENDENT
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

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV001422078Invitaecriteria provided, single submitter
Uncertain significance
(Feb 11, 2020)
germlineclinical testing

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

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):240-242.

PubMed [citation]
PMID:
28492532
PMCID:
PMC5632818

Details of each submission

From Invitae, SCV001422078.2

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

Description

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). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. This variant has not been reported in the literature in individuals with VHL-related conditions. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. 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.

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

Last Updated: May 10, 2021

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