NM_000426.4(LAMA2):c.987del (p.Trp330fs) AND Merosin deficient congenital muscular dystrophy

Germline classification:: Likely pathogenic (1 submission)
Last evaluated:: Sep 20, 2022
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:: RCV003469925.1

Allele description [Variation Report for NM_000426.4(LAMA2):c.987del (p.Trp330fs)]

NM_000426.4(LAMA2):c.987del (p.Trp330fs)

Gene:

LAMA2:laminin subunit alpha 2 [Gene - OMIM - HGNC]

Variant type:

Deletion

Cytogenetic location:

6q22.33

Genomic location:

Preferred name:

NM_000426.4(LAMA2):c.987del (p.Trp330fs)

HGVS:

NC_000006.12:g.129149056del
NG_008678.1:g.270916del
NM_000426.4:c.987delMANE SELECT
NM_001079823.2:c.987del
NP_000417.2:p.Trp330Glyfs
NP_000417.3:p.Trp330fs
NP_001073291.2:p.Trp330fs
LRG_409t1:c.987del
LRG_409:g.270916del
LRG_409p1:p.Trp330Glyfs
NC_000006.11:g.129470201del
NM_000426.3:c.987delC

Protein change:

W330fs

Molecular consequence:

NM_000426.4:c.987del - frameshift variant - [Sequence Ontology: SO:0001589]
NM_001079823.2:c.987del - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:: Merosin deficient congenital muscular dystrophy (MDC1A)
Synonyms:: Muscular dystrophy congenital, merosin negative; Congenital merosin-deficient muscular dystrophy 1A
Identifiers:: MONDO: MONDO:0011925; MedGen: C1263858; Orphanet: 258; OMIM: 607855

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004190570	Baylor Genetics	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely pathogenic (Sep 20, 2022)	unknown	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

SCV004190570

Baylor Genetics

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely pathogenic
(Sep 20, 2022)

unknown

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	unknown	unknown	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 Baylor Genetics, SCV004190570.1

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

Last Updated: Dec 30, 2023

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