rs775077210

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_177438.3(DICER1):c.5761A>G(p.Asn1921Asp) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,630 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N1921S) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

DICER1
NM_177438.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:2

Conservation

PhyloP100: 3.82

Publications

0 publications found

Variant links:

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]

DICER1 Gene-Disease associations (from GenCC):

DICER1-related tumor predisposition
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
pleuropulmonary blastoma
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
DICER1 syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
global developmental delay - lung cysts - overgrowth - Wilms tumor syndrome
Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

DICER1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.1362598).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DICER1	NM_177438.3 link	c.5761A>G	p.Asn1921Asp	missense_variant	Exon 27 of 27	ENST00000343455.8	NP_803187.1	Q9UPY3-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DICER1	ENST00000343455.8 link	c.5761A>G	p.Asn1921Asp	missense_variant	Exon 27 of 27	1	NM_177438.3	ENSP00000343745.3		Q9UPY3-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461630

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727118

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86246

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5562

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111994

Other (OTH)

AF:

0.00

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

DICER1-related disorder

Uncertain:1

Jul 18, 2024

PreventionGenetics, part of Exact Sciences

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:clinical testing

The DICER1 c.5761A>G variant is predicted to result in the amino acid substitution p.Asn1921Asp. To our knowledge, this variant has not been reported in the literature or in a large population database, indicating this variant is rare. This variant has an interpretation of uncertain significance in ClinVar (https://www.ncbi.nlm.nih.gov/clinvar/variation/570042/). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

DICER1-related tumor predisposition

Uncertain:1

Feb 15, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces asparagine with aspartic acid at codon 1921 of the DICER1 protein (p.Asn1921Asp). The asparagine residue is moderately conserved and there is a small physicochemical difference between asparagine and aspartic acid. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with DICER1-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.14

BayesDel_addAF

Benign

-0.053

BayesDel_noAF

Benign

-0.31

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.25

T;T;T;T;.

Eigen

Benign

-0.19

Eigen_PC

Benign

-0.034

FATHMM_MKL

Uncertain

0.94

LIST_S2

Benign

0.68

.;.;T;.;T

M_CAP

Benign

0.064

MetaRNN

Benign

0.14

T;T;T;T;T

MetaSVM

Benign

-0.59

MutationAssessor

Benign

0.34

N;N;N;N;.

PhyloP100

3.8

PrimateAI

Benign

0.43

PROVEAN

Benign

-0.43

N;N;N;N;N

REVEL

Benign

0.049

Sift

Pathogenic

0.0

D;D;D;D;D

Sift4G

Benign

0.15

T;T;T;T;T

Polyphen

0.43

B;B;B;B;.

Vest4

0.18

MutPred

0.20

Loss of MoRF binding (P = 0.0335);Loss of MoRF binding (P = 0.0335);Loss of MoRF binding (P = 0.0335);Loss of MoRF binding (P = 0.0335);.;

MVP

0.82

MPC

1.4

ClinPred

0.54

GERP RS

3.6

Varity_R

0.24

gMVP

0.37

Mutation Taster

=68/32

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over