rs200107216

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6_Very_StrongBP7

The NM_021267.5(CERS1):​c.429A>G​(p.Ala143Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000203 in 1,612,910 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★). Synonymous variant affecting the same amino acid position (i.e. A143A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00085 ( 0 hom., cov: 31)
Exomes 𝑓: 0.00014 ( 1 hom. )

Consequence

CERS1
NM_021267.5 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -6.00

Publications

0 publications found
Variant links:
Genes affected
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]
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]
GDF1 Gene-Disease associations (from GenCC):
  • right atrial isomerism
    Inheritance: AR Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics
  • congenital heart defects, multiple types, 6
    Inheritance: AD Classification: LIMITED, NO_KNOWN Submitted by: Illumina, Ambry Genetics
  • conotruncal heart malformations
    Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.68).
BP6
Variant 19-18884248-T-C is Benign according to our data. Variant chr19-18884248-T-C is described in ClinVar as Benign. ClinVar VariationId is 137455.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-6 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CERS1NM_021267.5 linkc.429A>G p.Ala143Ala synonymous_variant Exon 3 of 8 ENST00000623882.4 NP_067090.1 P27544-1
GDF1NM_001492.6 linkc.-894A>G 5_prime_UTR_variant Exon 3 of 8 ENST00000247005.8 NP_001483.3 P27539A0A024R7N8

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CERS1ENST00000623882.4 linkc.429A>G p.Ala143Ala synonymous_variant Exon 3 of 8 1 NM_021267.5 ENSP00000485308.1 P27544-1
GDF1ENST00000247005.8 linkc.-894A>G 5_prime_UTR_variant Exon 3 of 8 1 NM_001492.6 ENSP00000247005.5 P27539

Frequencies

GnomAD3 genomes
AF:
0.000849
AC:
129
AN:
152020
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00292
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000197
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:
0.0000588
Gnomad OTH
AF:
0.000479
GnomAD2 exomes
AF:
0.000254
AC:
62
AN:
244084
AF XY:
0.000233
show subpopulations
Gnomad AFR exome
AF:
0.00314
Gnomad AMR exome
AF:
0.000146
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000274
Gnomad OTH exome
AF:
0.000502
GnomAD4 exome
AF:
0.000136
AC:
198
AN:
1460772
Hom.:
1
Cov.:
31
AF XY:
0.000131
AC XY:
95
AN XY:
726618
show subpopulations
African (AFR)
AF:
0.00376
AC:
126
AN:
33474
American (AMR)
AF:
0.000291
AC:
13
AN:
44648
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26120
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39688
South Asian (SAS)
AF:
0.0000348
AC:
3
AN:
86138
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52942
Middle Eastern (MID)
AF:
0.000868
AC:
5
AN:
5762
European-Non Finnish (NFE)
AF:
0.0000333
AC:
37
AN:
1111658
Other (OTH)
AF:
0.000232
AC:
14
AN:
60342
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.489
Heterozygous variant carriers
0
11
21
32
42
53
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.000848
AC:
129
AN:
152138
Hom.:
0
Cov.:
31
AF XY:
0.000807
AC XY:
60
AN XY:
74370
show subpopulations
African (AFR)
AF:
0.00292
AC:
121
AN:
41508
American (AMR)
AF:
0.000197
AC:
3
AN:
15258
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5162
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4818
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10610
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000588
AC:
4
AN:
68002
Other (OTH)
AF:
0.000474
AC:
1
AN:
2110
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.514
Heterozygous variant carriers
0
6
13
19
26
32
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.000412
Hom.:
0
Bravo
AF:
0.000952
Asia WGS
AF:
0.000866
AC:
3
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000594

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:1
Oct 15, 2013
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

Progressive myoclonic epilepsy type 8 Benign:1
Nov 06, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.68
CADD
Benign
0.031
DANN
Benign
0.61
PhyloP100
-6.0
PromoterAI
0.033
Neutral
Mutation Taster
=298/2
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
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: rs200107216; hg19: chr19-18995057; API