rs201298288
Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 1P and 5B. PP2BP6BS2
The NM_177438.3(DICER1):c.1691C>T(p.Ala564Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000205 in 1,613,286 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Genomes: 𝑓 0.000053 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000017 ( 0 hom. )
Consequence
DICER1
NM_177438.3 missense
NM_177438.3 missense
Scores
1
6
12
Clinical Significance
Conservation
PhyloP100: 9.96
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 Likely_benign. Variant got -4 ACMG points.
PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), DICER1. . Gene score misZ 4.2261 (greater than the threshold 3.09). Trascript score misZ 6.1353 (greater than threshold 3.09). GenCC has associacion of gene with goiter, multinodular 1, with or without Sertoli-Leydig cell tumors, global developmental delay - lung cysts - overgrowth - Wilms tumor syndrome, DICER1-related tumor predisposition, DICER1 syndrome, pleuropulmonary blastoma.
BP6
Variant 14-95116514-G-A is Benign according to our data. Variant chr14-95116514-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 412089.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Uncertain_significance=5}.
BS2
High AC in GnomAd4 at 8 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
DICER1 | NM_177438.3 | c.1691C>T | p.Ala564Val | missense_variant | 10/27 | ENST00000343455.8 | NP_803187.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
DICER1 | ENST00000343455.8 | c.1691C>T | p.Ala564Val | missense_variant | 10/27 | 1 | NM_177438.3 | ENSP00000343745.3 |
Frequencies
GnomAD3 genomes AF: 0.0000527 AC: 8AN: 151916Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000318 AC: 8AN: 251178Hom.: 0 AF XY: 0.0000442 AC XY: 6AN XY: 135754
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GnomAD4 exome AF: 0.0000171 AC: 25AN: 1461252Hom.: 0 Cov.: 32 AF XY: 0.0000206 AC XY: 15AN XY: 726934
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GnomAD4 genome AF: 0.0000526 AC: 8AN: 152034Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2AN XY: 74310
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ClinVar
Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:6Benign:2
Revision: criteria provided, conflicting classifications
LINK: link
Submissions by phenotype
not provided Uncertain:3
Uncertain significance, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | Aug 01, 2024 | - - |
Uncertain significance, criteria provided, single submitter | clinical testing | Quest Diagnostics Nichols Institute San Juan Capistrano | Jan 16, 2023 | to the best of our knowledge, the variant has not been reported in the published literature. The frequency of this variant in the general population, 0.000062 (8/128970 chromosomes, http://gnomad.broadinstitute.org), is uninformative in assessment of its pathogenicity. Analysis of this variant using bioinformatics tools for the prediction of the effect of amino acid changes on protein structure and function yielded conflicting predictions that this variant is benign or damaging. Based on the available information, we are unable to determine the clinical significance of this variant. - |
Uncertain significance, criteria provided, single submitter | clinical testing | GeneDx | Jun 15, 2022 | In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge - |
Hereditary cancer-predisposing syndrome Uncertain:2
Uncertain significance, criteria provided, single submitter | clinical testing | Hereditary Cancer Group, L’Institut d'Investigació Biomèdica de Bellvitge | Dec 19, 2024 | BP4 - |
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Aug 19, 2024 | The p.A564V variant (also known as c.1691C>T), located in coding exon 9 of the DICER1 gene, results from a C to T substitution at nucleotide position 1691. The alanine at codon 564 is replaced by valine, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Based on the available evidence, the clinical significance of this variant remains unclear. - |
DICER1-related tumor predisposition Benign:2
Likely benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 31, 2024 | - - |
Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 12, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. - |
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital | Aug 15, 2023 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Uncertain
DANN
Uncertain
DEOGEN2
Benign
T;T;T;T;.
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
.;.;D;.;D
M_CAP
Benign
D
MetaRNN
Uncertain
D;D;D;D;D
MetaSVM
Benign
T
MutationAssessor
Benign
N;N;N;N;N
PrimateAI
Uncertain
T
PROVEAN
Benign
N;N;N;N;N
REVEL
Uncertain
Sift
Benign
T;T;T;T;T
Sift4G
Benign
T;T;T;T;T
Polyphen
D;D;D;D;.
Vest4
MutPred
Gain of ubiquitination at K568 (P = 0.1067);Gain of ubiquitination at K568 (P = 0.1067);Gain of ubiquitination at K568 (P = 0.1067);Gain of ubiquitination at K568 (P = 0.1067);Gain of ubiquitination at K568 (P = 0.1067);
MVP
MPC
1.0
ClinPred
T
GERP RS
Varity_R
gMVP
Splicing
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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