NM_004646.4(NPHS1):c.1175T>C (p.Leu392Pro) AND not specified

Germline classification:: Benign (2 submissions)
Last evaluated:: Oct 17, 2019
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV000248554.6

Allele description [Variation Report for NM_004646.4(NPHS1):c.1175T>C (p.Leu392Pro)]

NM_004646.4(NPHS1):c.1175T>C (p.Leu392Pro)

Gene:

NPHS1:NPHS1 adhesion molecule, nephrin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

19q13.12

Genomic location:

Preferred name:

NM_004646.4(NPHS1):c.1175T>C (p.Leu392Pro)

HGVS:

NC_000019.10:g.35848393A>G
NG_013356.2:g.25895T>C
NG_051206.1:g.1759A>G
NM_004646.4:c.1175T>CMANE SELECT
NP_004637.1:p.Leu392Pro
NP_004637.1:p.Leu392Pro
LRG_693t1:c.1175T>C
LRG_693:g.25895T>C
LRG_693p1:p.Leu392Pro
NC_000019.9:g.36339295A>G
NM_004646.3:c.1175T>C
O60500:p.Leu392Pro

Protein change:

L392P

Links:

UniProtKB: O60500#VAR_049971; dbSNP: rs34320609

NCBI 1000 Genomes Browser:

rs34320609

Molecular consequence:

NM_004646.4:c.1175T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:: AllHighlyPenetrant
Identifiers:: MedGen: CN169374

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000310558	PreventionGenetics, part of Exact Sciences	criteria provided, single submitter (ACMG Guidelines, 2015)	Benign	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001360991	Women's Health and Genetics/Laboratory Corporation of America, LabCorp	criteria provided, single submitter (LabCorp Variant Classification Summary - May 2015)	Benign (Oct 17, 2019)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000310558

PreventionGenetics, part of Exact Sciences

criteria provided, single submitter

(ACMG Guidelines, 2015)

Benign

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

SCV001360991

Women's Health and Genetics/Laboratory Corporation of America, LabCorp

criteria provided, single submitter

(LabCorp Variant Classification Summary - May 2015)

Benign
(Oct 17, 2019)

germline

clinical testing

Citation Link

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

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From PreventionGenetics, part of Exact Sciences, SCV000310558.1

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

#	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

From Women's Health and Genetics/Laboratory Corporation of America, LabCorp, SCV001360991.1

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

Description

Variant summary: NPHS1 c.1175T>C (p.Leu392Pro) results in a non-conservative amino acid change in the encoded protein sequence. Three of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.0083 in 251344 control chromosomes, predominantly at a frequency of 0.043 within the African or African-American subpopulation in the gnomAD database, including 20 homozygotes. The observed variant frequency within African or African-American control individuals in the gnomAD database is approximately 12.82 fold of the estimated maximal expected allele frequency for a pathogenic variant in NPHS1 causing Nephrotic Syndrome, Type 1 phenotype (0.0034), strongly suggesting that the variant is a benign polymorphism found primarily in populations of African or African-American origin. One clinical diagnostic laboratory has submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. One laboratory classified the variant as benign. Based on the evidence outlined above, the variant was classified as benign.

#	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: Sep 29, 2024

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