rs774271782

Variant names:

• chr14-95117721-C-A
• rs774271782
• NM_177438.3:c.1410G>T

Your query was ambiguous. Multiple possible variants found:

• chr14-95117721-C-A
• chr14-95117721-C-G
• chr14-95117721-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_177438.3(DICER1):​c.1410G>T​(p.Glu470Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E470G) has been classified as Uncertain significance.

• Frequency: Genomes: not found (cov: 32)
• Consequence: DICER1 NM_177438.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.36
• Publications: 0 publications found

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)

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DICER1	NM_177438.3	c.1410G>T	p.Glu470Asp	missense_variant	Exon 9 of 27	ENST00000343455.8	NP_803187.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DICER1	ENST00000343455.8	c.1410G>T	p.Glu470Asp	missense_variant	Exon 9 of 27	1	NM_177438.3	ENSP00000343745.3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.10
BayesDel_addAF	Benign	-0.0072	T
BayesDel_noAF	Benign	-0.25
CADD	Benign	19
DANN	Uncertain	1.0
DEOGEN2	Benign	0.32	T;T;T;T;.
Eigen	Uncertain	0.22
Eigen_PC	Uncertain	0.29
FATHMM_MKL	Uncertain	0.86	D
LIST_S2	Uncertain	0.89	.;.;D;.;D
M_CAP	Benign	0.023	T
MetaRNN	Uncertain	0.51	D;D;D;D;D
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.32	N;N;N;N;N
PhyloP100		1.4
PrimateAI	Pathogenic	0.89	D
PROVEAN	Benign	0.59	N;N;N;N;N
REVEL	Uncertain	0.31
Sift	Benign	0.57	T;T;T;T;T
Sift4G	Benign	1.0	T;T;T;T;T
Polyphen		1.0	D;D;D;D;.
Vest4		0.60
MutPred		0.51		Gain of loop (P = 0.0312);Gain of loop (P = 0.0312);Gain of loop (P = 0.0312);Gain of loop (P = 0.0312);Gain of loop (P = 0.0312);
MVP		0.68
MPC		1.3
ClinPred		0.86	D
GERP RS		4.0
Varity_R		0.23
gMVP		0.52
Mutation Taster		=58/42	polymorphism

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

Other links and lift over

dbSNP: rs774271782; hg19: chr14-95584058;