NM_020822.3(KCNT1):c.1769+16A>G AND not specified

Germline classification:: Benign (5 submissions)
Last evaluated:: Jul 15, 2024
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:: RCV000175227.13

Allele description [Variation Report for NM_020822.3(KCNT1):c.1769+16A>G]

NM_020822.3(KCNT1):c.1769+16A>G

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.1769+16A>G

HGVS:

NC_000009.12:g.135770463A>G
NG_033070.1:g.73279A>G
NM_001272003.2:c.1634+16A>G
NM_020822.3:c.1769+16A>GMANE SELECT
NC_000009.11:g.138662309A>G
NM_020822.2:c.1769+16A>G

Links:

dbSNP: rs10776844

NCBI 1000 Genomes Browser:

rs10776844

Molecular consequence:

NM_001272003.2:c.1634+16A>G - intron variant - [Sequence Ontology: SO:0001627]
NM_020822.3:c.1769+16A>G - intron variant - [Sequence Ontology: SO:0001627]

Observations:

Condition(s)

Synonyms:: AllHighlyPenetrant
Identifiers:: MedGen: CN169374

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000226673	Eurofins Ntd Llc (ga)	criteria provided, single submitter (EGL Classification Definitions 2015)	Benign (Sep 4, 2014)	germline	clinical testing	Citation Link,
SCV000313662	PreventionGenetics, part of Exact Sciences	criteria provided, single submitter (ACMG Guidelines, 2015)	Benign	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001926043	Clinical Genetics, Academic Medical Center - VKGL Data-share Consensus See additional submitters Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen	no assertion criteria provided	Benign	germline	clinical testing
SCV001963065	Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen - VKGL Data-share Consensus	no assertion criteria provided	Benign	germline	clinical testing
SCV005087345	Unidad de Genómica Garrahan, Hospital de Pediatría Garrahan	criteria provided, single submitter (ACMG Guidelines, 2015)	Benign (Jul 15, 2024)	germline	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	germline	unknown	1	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
not provided	germline	no	80	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 Eurofins Ntd Llc (ga), SCV000226673.5

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

#	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		1	not provided	not provided	not provided

From PreventionGenetics, part of Exact Sciences, SCV000313662.1

#	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	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Clinical Genetics, Academic Medical Center - VKGL Data-share Consensus, SCV001926043.1

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

#	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

From Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen - VKGL Data-share Consensus, SCV001963065.1

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

#	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

From Unidad de Genómica Garrahan, Hospital de Pediatría Garrahan, SCV005087345.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	80	not provided	not provided	clinical testing	PubMed (1)

Description

This variant is classified as Benign based on local population frequency. This variant was detected in 86% of patients studied in a panel designed for Epileptic and Developmental Encephalopathy and Progressive Myoclonus Epilepsy. Number of patients: 80. Only high quality variants are reported.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	no	not provided	not provided	not provided		80	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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