Genetic Variant IRF8:c.-220_-219insGGCTGCAGGTGGCTGCAGGT (chr16-85902783-T-TGGTGGCTGCAGGTGGCTGCA) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_002163.4(IRF8):c.-1-219_-1-218insGGCTGCAGGTGGCTGCAGGT variant causes a intron change involving the alteration of a non-conserved nucleotide. It is difficult to determine the true allele frequency of this variant because it is of type INS_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 0)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

IRF8
NM_002163.4 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.310

Publications

0 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: Uncertain_significance. The variant received 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
IRF8	NM_002163.4 link	c.-1-219_-1-218insGGCTGCAGGTGGCTGCAGGT	intron_variant	Intron 1 of 8	ENST00000268638.10	NP_002154.1	Q02556
IRF8	XM_047434052.1 link	c.-65_-64insGGCTGCAGGTGGCTGCAGGT	5_prime_UTR_variant	Exon 2 of 10		XP_047290008.1
IRF8	NM_001363907.1 link	c.-78_-77insGGTGGCTGCAGGTGGCTGCA	upstream_gene_variant			NP_001350836.1
IRF8	NM_001363908.1 link	c.-739_-738insGGTGGCTGCAGGTGGCTGCA	upstream_gene_variant			NP_001350837.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IRF8	ENST00000268638.10 link	c.-1-219_-1-218insGGCTGCAGGTGGCTGCAGGT		intron_variant	Intron 1 of 8	1	NM_002163.4	ENSP00000268638.4		Q02556

Frequencies

GnomAD3 genomes

AF:

0.00000660

AC:

AN:

151468

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000480

AC:

AN:

416516

Hom.:

Cov.:

AF XY:

0.00000902

AC XY:

AN XY:

221838

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

11838

American (AMR)

AF:

0.00

AC:

AN:

21054

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

13128

East Asian (EAS)

AF:

0.00

AC:

AN:

26626

South Asian (SAS)

AF:

0.0000212

AC:

AN:

47090

European-Finnish (FIN)

AF:

0.00

AC:

AN:

24316

Middle Eastern (MID)

AF:

0.00

AC:

AN:

1800

European-Non Finnish (NFE)

AF:

0.00000405

AC:

AN:

246916

Other (OTH)

AF:

0.00

AC:

AN:

23748

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000660

AC:

AN:

151468

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73950

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

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:

0.00

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:

0.0000147

AC:

AN:

67822

Other (OTH)

AF:

0.00

AC:

AN:

2072

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.275

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

451

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.31

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

chr16-85902783-T-TGGTGGCTGCAGGTGGCTGCA

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over