NM_020822.3(KCNT1):c.2341C>G (p.Leu781Val) AND Developmental and epileptic encephalopathy, 14

Germline classification:: Likely pathogenic (1 submission)
Last evaluated:: Aug 7, 2017
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

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:: RCV001004694.1

Allele description [Variation Report for NM_020822.3(KCNT1):c.2341C>G (p.Leu781Val)]

NM_020822.3(KCNT1):c.2341C>G (p.Leu781Val)

Gene:

KCNT1:potassium sodium-activated channel subfamily T member 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

9q34.3

Genomic location:

Preferred name:

NM_020822.3(KCNT1):c.2341C>G (p.Leu781Val)

HGVS:

NC_000009.12:g.135775407C>G
NG_033070.1:g.78223C>G
NM_001272003.2:c.2206C>G
NM_020822.3:c.2341C>GMANE SELECT
NP_001258932.1:p.Leu736Val
NP_065873.2:p.Leu781Val
NC_000009.11:g.138667253C>G
NM_020822.2:c.2341C>G

Protein change:

L736V

Links:

Molecular consequence:

NM_001272003.2:c.2206C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_020822.3:c.2341C>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Developmental and epileptic encephalopathy, 14 (DEE14)
Synonyms:: Early infantile epileptic encephalopathy 14
Identifiers:: MONDO: MONDO:0013989; MedGen: C3554195; Orphanet: 293181; OMIM: 614959

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001164156	Génétique des Maladies du Développement, Hospices Civils de Lyon	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely pathogenic (Aug 7, 2017)	de novo	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001164156

Génétique des Maladies du Développement, Hospices Civils de Lyon

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely pathogenic
(Aug 7, 2017)

de novo

clinical testing

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

Help

Summary from all submissions

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

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Génétique des Maladies du Développement, Hospices Civils de Lyon, SCV001164156.1

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

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

Last Updated: Aug 5, 2023

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