rs73928326

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_004646.4(NPHS1):​c.3482-7A>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000757 in 1,609,922 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0037 ( 4 hom., cov: 32)
Exomes 𝑓: 0.00045 ( 2 hom. )

Consequence

NPHS1
NM_004646.4 splice_region, intron

Scores

2
Splicing: ADA: 0.0002007
2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 0.248

Publications

0 publications found
Variant links:
Genes affected
NPHS1 (HGNC:7908): (NPHS1 adhesion molecule, nephrin) This gene encodes a member of the immunoglobulin family of cell adhesion molecules that functions in the glomerular filtration barrier in the kidney. The gene is primarily expressed in renal tissues, and the protein is a type-1 transmembrane protein found at the slit diaphragm of glomerular podocytes. The slit diaphragm is thought to function as an ultrafilter to exclude albumin and other plasma macromolecules in the formation of urine. Mutations in this gene result in Finnish-type congenital nephrosis 1, characterized by severe proteinuria and loss of the slit diaphragm and foot processes.[provided by RefSeq, Oct 2009]
NPHS1 Gene-Disease associations (from GenCC):
  • congenital nephrotic syndrome, Finnish type
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Myriad Women’s Health, G2P, Labcorp Genetics (formerly Invitae), ClinGen
  • familial idiopathic steroid-resistant nephrotic syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.71).
BP6
Variant 19-35830963-T-A is Benign according to our data. Variant chr19-35830963-T-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 259499.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00368 (559/151750) while in subpopulation AFR AF = 0.0125 (519/41358). AF 95% confidence interval is 0.0117. There are 4 homozygotes in GnomAd4. There are 271 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 4 AR,AD gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004646.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NPHS1
NM_004646.4
MANE Select
c.3482-7A>T
splice_region intron
N/ANP_004637.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NPHS1
ENST00000378910.10
TSL:1 MANE Select
c.3482-7A>T
splice_region intron
N/AENSP00000368190.4
NPHS1
ENST00000353632.6
TSL:5
c.3362-7A>T
splice_region intron
N/AENSP00000343634.5

Frequencies

GnomAD3 genomes
AF:
0.00368
AC:
558
AN:
151632
Hom.:
4
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0126
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00191
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000736
Gnomad OTH
AF:
0.00289
GnomAD2 exomes
AF:
0.00107
AC:
269
AN:
251472
AF XY:
0.000765
show subpopulations
Gnomad AFR exome
AF:
0.0132
Gnomad AMR exome
AF:
0.00113
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000114
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000453
AC:
660
AN:
1458172
Hom.:
2
Cov.:
29
AF XY:
0.000404
AC XY:
293
AN XY:
725636
show subpopulations
African (AFR)
AF:
0.0131
AC:
437
AN:
33410
American (AMR)
AF:
0.00134
AC:
60
AN:
44720
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26118
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39682
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86172
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53420
Middle Eastern (MID)
AF:
0.000694
AC:
4
AN:
5760
European-Non Finnish (NFE)
AF:
0.0000965
AC:
107
AN:
1108610
Other (OTH)
AF:
0.000863
AC:
52
AN:
60280
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
43
86
130
173
216
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00368
AC:
559
AN:
151750
Hom.:
4
Cov.:
32
AF XY:
0.00365
AC XY:
271
AN XY:
74174
show subpopulations
African (AFR)
AF:
0.0125
AC:
519
AN:
41358
American (AMR)
AF:
0.00191
AC:
29
AN:
15214
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5168
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4790
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10554
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000736
AC:
5
AN:
67892
Other (OTH)
AF:
0.00286
AC:
6
AN:
2100
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.502
Heterozygous variant carriers
0
29
58
88
117
146
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000226
Hom.:
0
Bravo
AF:
0.00403
Asia WGS
AF:
0.00115
AC:
4
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.000178

ClinVar

ClinVar submissions as Germline

Significance:Benign/Likely benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
3
not provided (3)
-
-
2
not specified (2)
-
-
1
Finnish congenital nephrotic syndrome (1)
-
-
1
Focal segmental glomerulosclerosis (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.71
CADD
Benign
9.5
DANN
Benign
0.65
PhyloP100
0.25
Mutation Taster
=100/0
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00020
dbscSNV1_RF
Benign
0.0080
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs73928326; hg19: chr19-36321865; API