rs1555374734
Variant summary
Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate
The NM_177438.3(DICER1):c.1137del(p.Lys379AsnfsTer79) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Pathogenic (★). Synonymous variant affecting the same amino acid position (i.e. K379K) has been classified as Likely benign. Variant results in nonsense mediated mRNA decay.
Frequency
Genomes: not found (cov: 32)
Consequence
DICER1
NM_177438.3 frameshift
NM_177438.3 frameshift
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: -0.0280
Genes affected
DICER1 (HGNC:17098): (dicer 1, ribonuclease III) This gene encodes a protein possessing an RNA helicase motif containing a DEXH box in its amino terminus and an RNA motif in the carboxy terminus. The encoded protein functions as a ribonuclease and is required by the RNA interference and small temporal RNA (stRNA) pathways to produce the active small RNA component that represses gene expression. This protein also acts as a strong antiviral agent with activity against RNA viruses, including the Zika and SARS-CoV-2 viruses. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2021]
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ACMG classification
Classification made for transcript
Verdict is Pathogenic. Variant got 12 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 14-95124434-GT-G is Pathogenic according to our data. Variant chr14-95124434-GT-G is described in ClinVar as [Pathogenic]. Clinvar id is 477023.Status of the report is criteria_provided_single_submitter, 1 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
DICER1 | NM_177438.3 | c.1137del | p.Lys379AsnfsTer79 | frameshift_variant | 8/27 | ENST00000343455.8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
DICER1 | ENST00000343455.8 | c.1137del | p.Lys379AsnfsTer79 | frameshift_variant | 8/27 | 1 | NM_177438.3 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 32
GnomAD3 genomes
?
Cov.:
32
GnomAD4 exome Cov.: 33
GnomAD4 exome
Cov.:
33
GnomAD4 genome ? Cov.: 32
GnomAD4 genome
?
Cov.:
32
ClinVar
Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
DICER1-related tumor predisposition Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Invitae | Mar 20, 2017 | This sequence change deletes 1 nucleotide from exon 8 of the DICER1 mRNA (c.1137delA), causing a frameshift at codon 379. This creates a premature translational stop signal (p.Lys379Asnfs*79) and is expected to result in an absent or disrupted protein product. While this particular variant has not been reported in the literature, loss-of-function variants in DICER1 are known to be pathogenic (PMID: 19556464, 21266384). For these reasons, this variant has been classified as Pathogenic. - |
Computational scores
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Calibrated prediction
Score
Prediction
Splicing
Name
Calibrated prediction
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Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at