VCV002444367.1 - ClinVar

NM_006060.6(IKZF1):c.1275dup (p.Leu426fs)

Germline

Classification

The aggregate germline classification for this variant, typically for a monogenic or Mendelian disorder as in the ACMG/AMP guidelines, or for response to a drug. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the aggregate classification.

(1)

Stars represent the aggregate review status, or the level of review supporting the aggregate germline classification for this VCV record. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status. The number of submissions which contribute to this review status is shown in parentheses.

Likely pathogenic

criteria provided, single submitter

Somatic

No data submitted for somatic clinical impact

Somatic

No data submitted for oncogenicity

Variant Details

Identifiers

NM_006060.6(IKZF1):c.1275dup (p.Leu426fs)

Variation ID: 2444367 Accession: VCV002444367.1

Type and length

Duplication, 1 bp

Location

Cytogenetic: 7p12.2 7: 50400339-50400340 (GRCh38) [ NCBI UCSC ] 7: 50468037-50468038 (GRCh37) [ NCBI UCSC ]

Timeline in ClinVar

	First in ClinVar Help The date this variant first appeared in ClinVar with each type of classification.	Last submission Help The date of the most recent submission for each type of classification for this variant.	Last evaluated Help The most recent date that a submitter evaluated this variant for each type of classification.
Germline	Mar 18, 2023	Mar 18, 2023	Feb 23, 2023

HGVS

Nucleotide	Protein	Molecular consequence
NM_006060.6:c.1275dup MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.	NP_006051.1:p.Leu426fs	frameshift
NM_001220765.3:c.1149dup	NP_001207694.1:p.Leu384fs	frameshift
NM_001220767.2:c.984dup	NP_001207696.1:p.Leu329fs	frameshift
NM_001220768.2:c.1014dup	NP_001207697.1:p.Leu339fs	frameshift
NM_001220770.2:c.858dup	NP_001207699.1:p.Leu287fs	frameshift
NM_001220771.2:c.846dup	NP_001207700.1:p.Leu283fs	frameshift
NM_001291837.2:c.1149dup	NP_001278766.1:p.Leu384fs	frameshift
NM_001291838.2:c.1014dup	NP_001278767.1:p.Leu339fs	frameshift
NM_001291839.2:c.888dup	NP_001278768.1:p.Leu297fs	frameshift
NM_001291840.1:c.585dup	NP_001278769.1:p.Leu196fs	frameshift
NM_001291841.1:c.846dup	NP_001278770.1:p.Leu283fs	frameshift
NM_001291842.1:c.816dup	NP_001278771.1:p.Leu273fs	frameshift
NM_001291843.1:c.720dup	NP_001278772.1:p.Leu241fs	frameshift
NM_001291844.1:c.690dup	NP_001278773.1:p.Leu231fs	frameshift
NM_001410879.1:c.1335dup	NP_001397808.1:p.Leu446Alafs	frameshift
NC_000007.14:g.50400342dup
NC_000007.13:g.50468040dup
NG_034231.1:g.101260dup
LRG_1121:g.101260dup
LRG_1121t1:c.1275dup	LRG_1121p1:p.Leu426fs

... more HGVS ... less HGVS

Protein change

L196fs, L231fs, L241fs, L273fs, L283fs, L287fs, L297fs, L329fs, L339fs, L384fs, L426fs

Other names

Canonical SPDI

NC_000007.14:50400339:GGG:GGGG

Functional consequence Help The effect of the variant on RNA or protein function, based on experimental evidence from submitters.

Global minor allele frequency (GMAF) Help The global minor allele frequency calculated by the 1000 Genomes Project. The minor allele at this location is indicated in parentheses and may be different from the allele represented by this VCV record.

Allele frequency Help The frequency of the allele represented by this VCV record.

Links

VarSome

Genes

Gene	OMIM	ClinGen Gene Dosage Sensitivity Curation		Variation Viewer Help Links to Variation Viewer, a genome browser to view variation data from NCBI databases.	Related variants
Gene	OMIM	HI score Help The haploinsufficiency score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.	TS score Help The triplosensitivity score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.		Within gene Help The number of variants in ClinVar that are contained within this gene, with a link to view the list of variants.	All Help The number of variants in ClinVar for this gene, including smaller variants within the gene and larger CNVs that overlap or fully contain the gene.
IKZF1		-	-	GRCh38 GRCh37	300	319

Conditions - Germline

Condition Help The condition for this variant-condition (RCV) record in ClinVar.	Classification Help The aggregate germline classification for this variant-condition (RCV) record in ClinVar. The number of submissions that contribute to this aggregate classification is shown in parentheses. (# of submissions)	Review status Help The aggregate review status for this variant-condition (RCV) record in ClinVar. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status.	Last evaluated Help The most recent date that a submitter evaluated this variant for the condition.	Variation/condition record Help The RCV accession number, with most recent version number, for the variant-condition record, with a link to the RCV web page.
Pancytopenia due to IKZF1 mutations	Likely pathogenic (1)	criteria provided, single submitter	Feb 23, 2023	RCV003153165.1

Submissions - Germline

Classification Help The submitted germline classification for each SCV record. (Last evaluated)	Review status Help Stars represent the review status, or the level of review supporting the submitted (SCV) record. This value is calculated by NCBI based on data from the submitter. Read our rules for calculating the review status. This column also includes a link to the submitter’s assertion criteria if provided, and the collection method. (Assertion criteria)	Condition Help The condition for the classification, provided by the submitter for this submitted (SCV) record. This column also includes the affected status and allele origin of individuals observed with this variant.	Submitter Help The submitting organization for this submitted (SCV) record. This column also includes the SCV accession and version number, the date this SCV first appeared in ClinVar, and the date that this SCV was last updated in ClinVar.	More information Help This column includes more information supporting the classification, including citations, the comment on classification, and detailed evidence provided as observations of the variant by the submitter.
Likely pathogenic (Feb 23, 2023)	criteria provided, single submitter (ACMG Guidelines, 2015) Method: clinical testing	Pancytopenia due to IKZF1 mutations Affected status: yes Allele origin: unknown	3billion Accession: SCV003842013.1 First in ClinVar: Mar 18, 2023 Last updated: Mar 18, 2023	Comment: The variant is not observed in the gnomAD v2.1.1 dataset. This variant was predicted to result in a loss or disruption of normal protein function … (more) The variant is not observed in the gnomAD v2.1.1 dataset. This variant was predicted to result in a loss or disruption of normal protein function through protein truncation. The predicted truncated protein may be shortened by more than 10%. Therefore, this variant is classified as Likely pathogenic according to the recommendation of ACMG/AMP guideline. (less) Clinical Features: Reticulated skin pigmentation (present) , Spontaneous, recurrent epistaxis (present) , Autoimmune thrombocytopenia (present) , Thrombocytopenia (present) , Recurrent infections (present) , Intellectual disability, mild (present) … (more) Reticulated skin pigmentation (present) , Spontaneous, recurrent epistaxis (present) , Autoimmune thrombocytopenia (present) , Thrombocytopenia (present) , Recurrent infections (present) , Intellectual disability, mild (present) , Protruding ear (present) , Thick eyebrow (present) , Synophrys (present) , Macrodontia of permanent maxillary central incisor (present) (less)

Comment:

The variant is not observed in the gnomAD v2.1.1 dataset. This variant was predicted to result in a loss or disruption of normal protein function through protein truncation. The predicted truncated protein may be shortened by more than 10%. Therefore, this variant is classified as Likely pathogenic according to the recommendation of ACMG/AMP guideline.

Germline Functional Evidence

There is no functional evidence in ClinVar for this variation. If you have generated functional data for this variation, please consider submitting that data to ClinVar.

Comment:

Citations for germline classification of this variant

There are no citations for germline classification of this variant in ClinVar. If you know of citations for this variation, please consider submitting that information to ClinVar.

Text-mined citations for this variant ...

Record last updated Mar 26, 2023

ClinVar Genomic variation as it relates to human health

NM_006060.6(IKZF1):c.1275dup (p.Leu426fs)

Variant Details

Genes

Conditions - Germline

Submissions - Germline

Germline Functional Evidence

Citations for germline classification of this variant

Text-mined citations for this variant ...