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NM_153240.5(NPHP3):c.1525-2A>G AND Nephronophthisis

Germline classification:
Likely pathogenic (1 submission)
Last evaluated:
Feb 9, 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:
RCV003749786.1

Allele description

NM_153240.5(NPHP3):c.1525-2A>G

Genes:
NPHP3-ACAD11:NPHP3-ACAD11 readthrough (NMD candidate) [Gene - HGNC]
NPHP3:nephrocystin 3 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
3q22.1
Genomic location:
Preferred name:
NM_153240.5(NPHP3):c.1525-2A>G
HGVS:
  • NC_000003.12:g.132701535T>C
  • NG_008130.2:g.25898A>G
  • NM_153240.5:c.1525-2A>GMANE SELECT
  • NC_000003.11:g.132420379T>C
Molecular consequence:
  • NM_153240.5:c.1525-2A>G - splice acceptor variant - [Sequence Ontology: SO:0001574]

Condition(s)

Name:
Nephronophthisis
Synonyms:
juvenile nephronophthisis
Identifiers:
MONDO: MONDO:0019005; MedGen: C0687120; OMIM: PS256100; Human Phenotype Ontology: HP:0000090

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV004560590Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))
Likely pathogenic
(Feb 9, 2023)
germlineclinical testing

PubMed (4)
[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

Loss of nephrocystin-3 function can cause embryonic lethality, Meckel-Gruber-like syndrome, situs inversus, and renal-hepatic-pancreatic dysplasia.

Bergmann C, Fliegauf M, Brüchle NO, Frank V, Olbrich H, Kirschner J, Schermer B, Schmedding I, Kispert A, Kränzlin B, Nürnberg G, Becker C, Grimm T, Girschick G, Lynch SA, Kelehan P, Senderek J, Neuhaus TJ, Stallmach T, Zentgraf H, Nürnberg P, Gretz N, et al.

Am J Hum Genet. 2008 Apr;82(4):959-70. doi: 10.1016/j.ajhg.2008.02.017. Epub 2008 Mar 27.

PubMed [citation]
PMID:
18371931
PMCID:
PMC2427297
See all PubMed Citations (4)

Details of each submission

From Invitae, SCV004560590.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (4)

Description

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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. This variant has not been reported in the literature in individuals affected with NPHP3-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change affects an acceptor splice site in intron 9 of the NPHP3 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 NPHP3 are known to be pathogenic (PMID: 18371931, 23559409).

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

Last Updated: Feb 28, 2024