8-93709810-C-T

Variant summary

Our verdict is Pathogenic. The variant received 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong

The NM_145269.5(CIBAR1):​c.478C>T​(p.Arg160*) variant causes a stop gained change. The variant allele was found at a frequency of 0.00000806 in 1,612,954 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

CIBAR1
NM_145269.5 stop_gained

Scores

5
1

Clinical Significance

Pathogenic criteria provided, multiple submitters, no conflicts P:4

Conservation

PhyloP100: 4.66

Publications

3 publications found
Variant links:
Genes affected
CIBAR1 (HGNC:30452): (CBY1 interacting BAR domain containing 1) Enables phospholipid binding activity. Involved in several processes, including inner mitochondrial membrane organization; limb morphogenesis; and membrane tubulation. Located in several cellular components, including centriole; ciliary base; and mitochondrial crista. [provided by Alliance of Genome Resources, Apr 2022]
CIBAR1 Gene-Disease associations (from GenCC):
  • postaxial polydactyly type A
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • polydactyly, postaxial, type A9
    Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 18 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 8-93709810-C-T is Pathogenic according to our data. Variant chr8-93709810-C-T is described in ClinVar as Pathogenic. ClinVar VariationId is 592165.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_145269.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CIBAR1
NM_145269.5
MANE Select
c.478C>Tp.Arg160*
stop_gained
Exon 6 of 9NP_660312.2
CIBAR1
NM_001283034.2
c.478C>Tp.Arg160*
stop_gained
Exon 6 of 8NP_001269963.1
CIBAR1
NR_104267.2
n.576C>T
non_coding_transcript_exon
Exon 6 of 10

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CIBAR1
ENST00000518322.6
TSL:5 MANE Select
c.478C>Tp.Arg160*
stop_gained
Exon 6 of 9ENSP00000429367.1
CIBAR1
ENST00000423990.6
TSL:5
c.478C>Tp.Arg160*
stop_gained
Exon 6 of 8ENSP00000401774.2
CIBAR1
ENST00000523453.5
TSL:5
c.508C>Tp.Arg170*
stop_gained
Exon 6 of 6ENSP00000430812.1

Frequencies

GnomAD3 genomes
AF:
0.00000659
AC:
1
AN:
151742
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000241
AC:
6
AN:
248568
AF XY:
0.0000371
show subpopulations
Gnomad AFR exome
AF:
0.0000649
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000266
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000821
AC:
12
AN:
1461212
Hom.:
0
Cov.:
30
AF XY:
0.0000110
AC XY:
8
AN XY:
726826
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33474
American (AMR)
AF:
0.00
AC:
0
AN:
44702
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26130
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39678
South Asian (SAS)
AF:
0.0000232
AC:
2
AN:
86066
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53382
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5704
European-Non Finnish (NFE)
AF:
0.00000810
AC:
9
AN:
1111724
Other (OTH)
AF:
0.00
AC:
0
AN:
60352
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.446
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.00000659
AC:
1
AN:
151742
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74078
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41264
American (AMR)
AF:
0.00
AC:
0
AN:
15228
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5188
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4814
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10480
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
67992
Other (OTH)
AF:
0.00
AC:
0
AN:
2080
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.0000458
Hom.:
0
Bravo
AF:
0.00000378
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000123
AC:
1
ExAC
AF:
0.0000166
AC:
2
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Polydactyly, postaxial, type A9 Pathogenic:3
Jul 12, 2024
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

Dec 18, 2024
Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Centre
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Apr 20, 2023
Institute of Human Genetics, University of Leipzig Medical Center
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was identified as homozygous._x000D_ Criteria applied: PVS1, PM3, PM2_SUP

Postaxial polydactyly type A Pathogenic:1
University of Washington Center for Mendelian Genomics, University of Washington
Significance:Likely pathogenic
Review Status:no assertion criteria provided
Collection Method:research

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.48
D
BayesDel_noAF
Pathogenic
0.63
CADD
Pathogenic
38
DANN
Uncertain
0.99
Eigen
Pathogenic
0.82
Eigen_PC
Pathogenic
0.69
FATHMM_MKL
Pathogenic
0.97
D
PhyloP100
4.7
Vest4
0.52
ClinPred
1.0
D
GERP RS
4.8
PromoterAI
-0.041
Neutral
Mutation Taster
=0/200
disease causing (ClinVar)

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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: rs368652620; hg19: chr8-94722038; COSMIC: COSV104672963; COSMIC: COSV104672963; API