NM_000899.5(KITLG):c.806_807del (p.Glu269fs) AND not provided

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Dec 18, 2023
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV003115373.6

Allele description [Variation Report for NM_000899.5(KITLG):c.806_807del (p.Glu269fs)]

NM_000899.5(KITLG):c.806_807del (p.Glu269fs)

Gene:

KITLG:KIT ligand [Gene - OMIM - HGNC]

Variant type:

Microsatellite

Cytogenetic location:

12q21.32

Genomic location:

Preferred name:

NM_000899.5(KITLG):c.806_807del (p.Glu269fs)

HGVS:

NC_000012.12:g.88505211CT[4]
NG_012098.2:g.80242AG[4]
NM_000899.4:c.806_807del
NM_000899.5:c.806_807delMANE SELECT
NM_003994.6:c.722_723del
NP_000890.1:p.Glu269fs
NP_003985.2:p.Glu241fs
LRG_1379t1:c.806_807del
LRG_1379:g.80242AG[4]
LRG_1379p1:p.Glu269fs
NC_000012.11:g.88898988CT[4]
NC_000012.11:g.88898988_88898989del

Protein change:

E241fs

Molecular consequence:

NM_000899.5:c.806_807del - frameshift variant - [Sequence Ontology: SO:0001589]
NM_003994.6:c.722_723del - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003787910	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Dec 7, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV005378660	GeneDx	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	Uncertain significance (Dec 18, 2023)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV003787910

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Dec 7, 2023)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

SCV005378660

GeneDx

criteria provided, single submitter

(GeneDx Variant Classification Process June 2021)

Uncertain significance
(Dec 18, 2023)

germline

clinical testing

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group, Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV003787910.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

This sequence change results in a frameshift in the KITLG gene (p.Glu269Valfs*41). While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 5 amino acid(s) of the KITLG protein and extend the protein by 35 additional amino acid residues. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with KITLG-related conditions. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. 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.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From GeneDx, SCV005378660.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

Frameshift variant predicted to result in abnormal protein length as the last 5 amino acids are replaced with 40 different amino acids in a gene for which loss-of-function is not an established mechanism of disease; Not observed at significant frequency in large population cohorts (gnomAD); Has not been previously published as pathogenic or benign to our knowledge

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Oct 26, 2024

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