NM_153240.5(NPHP3):c.3809T>C (p.Leu1270Pro) AND Nephronophthisis

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jun 11, 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:: RCV000475008.6

Allele description [Variation Report for NM_153240.5(NPHP3):c.3809T>C (p.Leu1270Pro)]

NM_153240.5(NPHP3):c.3809T>C (p.Leu1270Pro)

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.3809T>C (p.Leu1270Pro)

HGVS:

NC_000003.12:g.132682706A>G
NG_008130.2:g.44727T>C
NM_153240.5:c.3809T>CMANE SELECT
NP_694972.3:p.Leu1270Pro
NC_000003.11:g.132401550A>G
NG_008130.1:g.44727T>C
NM_153240.4:c.3809T>C
NR_037804.1:n.3815T>C

Protein change:

L1270P

Links:

dbSNP: rs794727430

NCBI 1000 Genomes Browser:

rs794727430

Molecular consequence:

NM_153240.5:c.3809T>C - missense variant - [Sequence Ontology: SO:0001583]
NR_037804.1:n.3815T>C - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

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

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000552112	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jun 11, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000552112

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jun 11, 2022)

germline

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

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):240-242.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Invitae, SCV000552112.5

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

Description

This missense change has been observed in individual(s) with NPHP3-related conditions (Invitae). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces leucine, which is neutral and non-polar, with proline, which is neutral and non-polar, at codon 1270 of the NPHP3 protein (p.Leu1270Pro). ClinVar contains an entry for this variant (Variation ID: 195995). 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 missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive.

#	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

Last Updated: Feb 20, 2024

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