Genetic Variant ENST00000563180.1:c.-233T>A (chr16-85902783-T-A) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate

The ENST00000563180.1(IRF8):c.-233T>A variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000739 in 567,980 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000079 ( 0 hom. )

Consequence

IRF8
ENST00000563180.1 5_prime_UTR

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.785

Publications

1 publications found

Variant links:

Genes affected

IRF8 (HGNC:5358): (interferon regulatory factor 8) Interferon consensus sequence-binding protein (ICSBP) is a transcription factor of the interferon (IFN) regulatory factor (IRF) family. Proteins of this family are composed of a conserved DNA-binding domain in the N-terminal region and a divergent C-terminal region that serves as the regulatory domain. The IRF family proteins bind to the IFN-stimulated response element (ISRE) and regulate expression of genes stimulated by type I IFNs, namely IFN-alpha and IFN-beta. IRF family proteins also control expression of IFN-alpha and IFN-beta-regulated genes that are induced by viral infection. [provided by RefSeq, Jul 2008]

IRF8 Gene-Disease associations (from GenCC):

Mendelian susceptibility to mycobacterial diseases due to partial IRF8 deficiency
Inheritance: AD Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics, Illumina
immunodeficiency 32B
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, Ambry Genetics

IRF8 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.81).

BP6

Variant 16-85902783-T-A is Benign according to our data. Variant chr16-85902783-T-A is described in ClinVar as [Benign]. Clinvar id is 2688371.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
IRF8	NM_002163.4 link	c.-1-232T>A	intron_variant	Intron 1 of 8	ENST00000268638.10	NP_002154.1	Q02556
IRF8	XM_047434052.1 link	c.-78T>A	5_prime_UTR_variant	Exon 2 of 10		XP_047290008.1
IRF8	NM_001363907.1 link	c.-78T>A	upstream_gene_variant			NP_001350836.1
IRF8	NM_001363908.1 link	c.-739T>A	upstream_gene_variant			NP_001350837.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IRF8	ENST00000268638.10 link	c.-1-232T>A		intron_variant	Intron 1 of 8	1	NM_002163.4	ENSP00000268638.4		Q02556

Frequencies

GnomAD3 genomes

AF:

0.0000594

AC:

AN:

151468

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000971

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000209

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000590

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000792

AC:

AN:

416512

Hom.:

Cov.:

AF XY:

0.0000947

AC XY:

AN XY:

221838

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

11838

American (AMR)

AF:

0.0000475

AC:

AN:

21052

Ashkenazi Jewish (ASJ)

AF:

0.0000762

AC:

AN:

13128

East Asian (EAS)

AF:

0.000113

AC:

AN:

26626

South Asian (SAS)

AF:

0.000234

AC:

AN:

47090

European-Finnish (FIN)

AF:

0.0000411

AC:

AN:

24316

Middle Eastern (MID)

AF:

0.000556

AC:

AN:

1800

European-Non Finnish (NFE)

AF:

0.0000567

AC:

AN:

246914

Other (OTH)

AF:

0.0000421

AC:

AN:

23748

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.442

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000594

AC:

AN:

151468

Hom.:

Cov.:

AF XY:

0.0000406

AC XY:

AN XY:

73950

show subpopulations

African (AFR)

AF:

0.0000971

AC:

AN:

41184

American (AMR)

AF:

0.00

AC:

AN:

15214

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3460

East Asian (EAS)

AF:

0.00

AC:

AN:

5154

South Asian (SAS)

AF:

0.000209

AC:

AN:

4796

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10556

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000590

AC:

AN:

67822

Other (OTH)

AF:

0.00

AC:

AN:

2072

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.486

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0765

Hom.:

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Jan 24, 2024

Unidad de Genómica Garrahan, Hospital de Pediatría Garrahan

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is classified as Benign based on local population frequency. This variant was detected in 73% of patients studied by a panel of primary immunodeficiencies. Number of patients: 64. Only high quality variants are reported. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.81

CADD

Benign

3.8

(source)

DANN

Benign

0.54

PhyloP100

-0.79

PromoterAI

-0.19

Neutral

(source)

Mutation Taster

=100/0

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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ENST00000563180.1:c.-233T>A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over