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NM_000466.3(PEX1):c.2784-1G>C AND Zellweger spectrum disorders

Germline classification:
Likely pathogenic (1 submission)
Last evaluated:
Sep 8, 2023
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:
RCV002996430.3

Allele description [Variation Report for NM_000466.3(PEX1):c.2784-1G>C]

NM_000466.3(PEX1):c.2784-1G>C

Genes:
GATAD1:GATA zinc finger domain containing 1 [Gene - OMIM - HGNC]
PEX1:peroxisomal biogenesis factor 1 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
7q21.2
Genomic location:
Preferred name:
NM_000466.3(PEX1):c.2784-1G>C
HGVS:
  • NC_000007.14:g.92494630C>G
  • NG_008341.2:g.38902G>C
  • NM_000466.3:c.2784-1G>CMANE SELECT
  • NM_001282677.2:c.2613-1G>C
  • NM_001282678.2:c.2160-1G>C
  • NC_000007.13:g.92123944C>G
Molecular consequence:
  • NM_000466.3:c.2784-1G>C - splice acceptor variant - [Sequence Ontology: SO:0001574]
  • NM_001282677.2:c.2613-1G>C - splice acceptor variant - [Sequence Ontology: SO:0001574]
  • NM_001282678.2:c.2160-1G>C - splice acceptor variant - [Sequence Ontology: SO:0001574]

Condition(s)

Name:
Zellweger spectrum disorders (ZS)
Synonyms:
Zellweger syndrome; Zellweger Spectrum Disorder; Zellweger Spectrum
Identifiers:
MONDO: MONDO:0019609; MedGen: C0043459; Orphanet: 912

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV003305319Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))
Likely pathogenic
(Sep 8, 2023)
germlineclinical testing

PubMed (5)
[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

Splicing in action: assessing disease causing sequence changes.

Baralle D, Baralle M.

J Med Genet. 2005 Oct;42(10):737-48. Review.

PubMed [citation]
PMID:
16199547
PMCID:
PMC1735933

Genetic classification and mutational spectrum of more than 600 patients with a Zellweger syndrome spectrum disorder.

Ebberink MS, Mooijer PA, Gootjes J, Koster J, Wanders RJ, Waterham HR.

Hum Mutat. 2011 Jan;32(1):59-69. doi: 10.1002/humu.21388.

PubMed [citation]
PMID:
21031596
See all PubMed Citations (5)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV003305319.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (5)

Description

This sequence change affects an acceptor splice site in intron 17 of the PEX1 gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in PEX1 are known to be pathogenic (PMID: 21031596, 26387595, 31831025). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with PEX1-related conditions. ClinVar contains an entry for this variant (Variation ID: 2085739). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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

Last Updated: Sep 29, 2024