rs587779733
Variant summary
Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong
The NM_025114.4(CEP290):c.4621del(p.Thr1541ProfsTer9) variant causes a frameshift change. The variant allele was found at a frequency of 0.000000684 in 1,461,368 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★★). Variant results in nonsense mediated mRNA decay.
Frequency
Genomes: not found (cov: 33)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
CEP290
NM_025114.4 frameshift
NM_025114.4 frameshift
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 5.68
Genes affected
CEP290 (HGNC:29021): (centrosomal protein 290) This gene encodes a protein with 13 putative coiled-coil domains, a region with homology to SMC chromosome segregation ATPases, six KID motifs, three tropomyosin homology domains and an ATP/GTP binding site motif A. The protein is localized to the centrosome and cilia and has sites for N-glycosylation, tyrosine sulfation, phosphorylation, N-myristoylation, and amidation. Mutations in this gene have been associated with Joubert syndrome and nephronophthisis and the presence of antibodies against this protein is associated with several forms of cancer. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Pathogenic. Variant got 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 12-88084668-GT-G is Pathogenic according to our data. Variant chr12-88084668-GT-G is described in ClinVar as [Likely_pathogenic]. Clinvar id is 126260.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr12-88084668-GT-G is described in Lovd as [Pathogenic].
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
CEP290 | NM_025114.4 | c.4621del | p.Thr1541ProfsTer9 | frameshift_variant | 35/54 | ENST00000552810.6 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
CEP290 | ENST00000552810.6 | c.4621del | p.Thr1541ProfsTer9 | frameshift_variant | 35/54 | 1 | NM_025114.4 | P4 |
Frequencies
GnomAD3 genomes ? Cov.: 33
GnomAD3 genomes
?
Cov.:
33
GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461368Hom.: 0 Cov.: 32 AF XY: 0.00000138 AC XY: 1AN XY: 726974
GnomAD4 exome
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32
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AN XY:
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GnomAD4 genome ? Cov.: 33
GnomAD4 genome
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Cov.:
33
ClinVar
Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Meckel-Gruber syndrome Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Genetic Services Laboratory, University of Chicago | Dec 11, 2013 | - - |
Meckel-Gruber syndrome;C0431399:Familial aplasia of the vermis;C0687120:Nephronophthisis Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Invitae | Jan 24, 2023 | For these reasons, this variant has been classified as Pathogenic. ClinVar contains an entry for this variant (Variation ID: 126260). This variant has not been reported in the literature in individuals affected with CEP290-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change creates a premature translational stop signal (p.Thr1541Profs*9) in the CEP290 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in CEP290 are known to be pathogenic (PMID: 16909394, 17345604, 20690115). - |
Senior-Loken syndrome 6;C1857780:Joubert syndrome 5;C1857821:Leber congenital amaurosis 10;C1970161:Meckel syndrome, type 4;C2673874:Bardet-Biedl syndrome 14 Pathogenic:1
Likely pathogenic, criteria provided, single submitter | clinical testing | Fulgent Genetics, Fulgent Genetics | Jan 15, 2022 | - - |
Computational scores
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at