rs146219830

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_001387440.1(CERS1):​c.*614G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00534 in 1,569,272 control chromosomes in the GnomAD database, including 33 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0036 ( 4 hom., cov: 32)
Exomes 𝑓: 0.0055 ( 29 hom. )

Consequence

CERS1
NM_001387440.1 3_prime_UTR

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.0770

Publications

1 publications found
Variant links:
Genes affected
GDF1 (HGNC:4214): (growth differentiation factor 1) This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of SMAD family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate each subunit of the disulfide-linked homodimer. Studies in rodents suggest that this protein is involved in the establishment of left-right asymmetry in early embryogenesis and in neural development in later embryogenesis. The encoded protein is translated from a bicistronic mRNA that also encodes ceramide synthase 1. Mutations in this gene are associated with several congenital cardiovascular malformations. [provided by RefSeq, Jul 2016]
CERS1 (HGNC:14253): (ceramide synthase 1) This gene encodes a ceramide synthase enzyme, which catalyzes the synthesis of ceramide, the hydrophobic moiety of sphingolipids. The encoded enzyme synthesizes 18-carbon (C18) ceramide in brain neurons. Elevated expression of this gene may be associated with increased longevity, while decreased expression of this gene may be associated with myoclonus epilepsy with dementia in human patients. This protein is transcribed from a monocistronic mRNA as well as a bicistronic mRNA, which also encodes growth differentiation factor 1. [provided by RefSeq, Jul 2016]
CERS1 Gene-Disease associations (from GenCC):
  • progressive myoclonic epilepsy type 8
    Inheritance: AR Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet
  • progressive myoclonus epilepsy
    Inheritance: AR Classification: MODERATE Submitted by: ClinGen

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.74).
BP6
Variant 19-18869963-C-T is Benign according to our data. Variant chr19-18869963-C-T is described in ClinVar as Benign. ClinVar VariationId is 137457.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High Homozygotes in GnomAd4 at 4 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001387440.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
GDF1
NM_001492.6
MANE Select
c.325+20G>A
intron
N/ANP_001483.3
CERS1
NM_021267.5
MANE Select
c.*594+20G>A
intron
N/ANP_067090.1P27544-1
CERS1
NM_001387440.1
c.*614G>A
3_prime_UTR
Exon 7 of 7NP_001374369.1P27544-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
GDF1
ENST00000247005.8
TSL:1 MANE Select
c.325+20G>A
intron
N/AENSP00000247005.5P27539
CERS1
ENST00000623882.4
TSL:1 MANE Select
c.*594+20G>A
intron
N/AENSP00000485308.1P27544-1

Frequencies

GnomAD3 genomes
AF:
0.00359
AC:
547
AN:
152180
Hom.:
4
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000893
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00301
Gnomad ASJ
AF:
0.0228
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00113
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00540
Gnomad OTH
AF:
0.00287
GnomAD2 exomes
AF:
0.00423
AC:
743
AN:
175562
AF XY:
0.00390
show subpopulations
Gnomad AFR exome
AF:
0.000879
Gnomad AMR exome
AF:
0.00161
Gnomad ASJ exome
AF:
0.0221
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00156
Gnomad NFE exome
AF:
0.00608
Gnomad OTH exome
AF:
0.00528
GnomAD4 exome
AF:
0.00552
AC:
7826
AN:
1416974
Hom.:
29
Cov.:
33
AF XY:
0.00538
AC XY:
3775
AN XY:
701522
show subpopulations
African (AFR)
AF:
0.000900
AC:
29
AN:
32216
American (AMR)
AF:
0.00187
AC:
73
AN:
38962
Ashkenazi Jewish (ASJ)
AF:
0.0245
AC:
622
AN:
25386
East Asian (EAS)
AF:
0.0000272
AC:
1
AN:
36756
South Asian (SAS)
AF:
0.000186
AC:
15
AN:
80724
European-Finnish (FIN)
AF:
0.00124
AC:
59
AN:
47496
Middle Eastern (MID)
AF:
0.000701
AC:
4
AN:
5704
European-Non Finnish (NFE)
AF:
0.00616
AC:
6724
AN:
1090952
Other (OTH)
AF:
0.00509
AC:
299
AN:
58778
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.498
Heterozygous variant carriers
0
411
822
1232
1643
2054
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
262
524
786
1048
1310
<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:
0.00360
AC:
548
AN:
152298
Hom.:
4
Cov.:
32
AF XY:
0.00342
AC XY:
255
AN XY:
74470
show subpopulations
African (AFR)
AF:
0.000890
AC:
37
AN:
41568
American (AMR)
AF:
0.00300
AC:
46
AN:
15310
Ashkenazi Jewish (ASJ)
AF:
0.0228
AC:
79
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5176
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00113
AC:
12
AN:
10630
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00541
AC:
368
AN:
68000
Other (OTH)
AF:
0.00284
AC:
6
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.498
Heterozygous variant carriers
0
29
59
88
118
147
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
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:
0.00617
Hom.:
1
Bravo
AF:
0.00379
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

ClinVar submissions
Significance:Benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
2
not provided (2)
-
-
2
not specified (2)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.74
CADD
Benign
8.4
DANN
Benign
0.93
PhyloP100
0.077
Mutation Taster
=100/0
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs146219830; hg19: chr19-18980772; API