NM_000817.3(GAD1):c.1184+17G>A AND Neurodevelopmental disorder with progressive spasticity and brain white matter abnormalities

Germline classification:: Conflicting interpretations of pathogenicity (2 submissions)
Last evaluated:: Nov 18, 2023
Review status:: criteria provided, conflicting classifications

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:: RCV001836987.16

Allele description [Variation Report for NM_000817.3(GAD1):c.1184+17G>A]

NM_000817.3(GAD1):c.1184+17G>A

Gene:

GAD1:glutamate decarboxylase 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2q31.1

Genomic location:

Preferred name:

NM_000817.3(GAD1):c.1184+17G>A

HGVS:

NC_000002.12:g.170849367G>A
NG_021477.1:g.37678G>A
NM_000817.3:c.1184+17G>AMANE SELECT
NC_000002.11:g.171705877G>A
NM_000817.2:c.1184+17G>A

Links:

dbSNP: rs180969459

NCBI 1000 Genomes Browser:

rs180969459

Molecular consequence:

NM_000817.3:c.1184+17G>A - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:: Neurodevelopmental disorder with progressive spasticity and brain white matter abnormalities
Synonyms:: Cerebral palsy, spastic quadriplegic, 1
Identifiers:: MONDO: MONDO:0033613; MedGen: C5436628; Orphanet: 210141; OMIM: 619026

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001521629	Baylor Genetics	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Sep 3, 2020)	maternal	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV002348004	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Benign (Nov 18, 2023)	germline	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

SCV001521629

Baylor Genetics

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Sep 3, 2020)

maternal

clinical testing

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

SCV002348004

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Benign
(Nov 18, 2023)

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	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	maternal	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

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 Baylor Genetics, SCV001521629.1

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

Description

This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868].

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

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002348004.3

#	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

Last Updated: Nov 24, 2024

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