NM_002292.4(LAMB2):c.4304C>T (p.Pro1435Leu) AND LAMB2-related disorder

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 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:: RCV003411619.4

Allele description [Variation Report for NM_002292.4(LAMB2):c.4304C>T (p.Pro1435Leu)]

NM_002292.4(LAMB2):c.4304C>T (p.Pro1435Leu)

Gene:

LAMB2:laminin subunit beta 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

3p21.31

Genomic location:

Preferred name:

NM_002292.4(LAMB2):c.4304C>T (p.Pro1435Leu)

HGVS:

NC_000003.12:g.49122973G>A
NG_008094.1:g.15194C>T
NG_054716.1:g.2966C>T
NM_002292.4:c.4304C>TMANE SELECT
NP_002283.3:p.Pro1435Leu
NC_000003.11:g.49160406G>A
NM_002292.3:c.4304C>T

Protein change:

P1435L

Links:

dbSNP: rs140968382

NCBI 1000 Genomes Browser:

rs140968382

Molecular consequence:

NM_002292.4:c.4304C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: LAMB2-related disorder
Synonyms:: LAMB2-related condition
Identifiers:

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004115991	PreventionGenetics, part of Exact Sciences	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Dec 20, 2022)	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

SCV004115991

PreventionGenetics, part of Exact Sciences

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Dec 20, 2022)

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

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 PreventionGenetics, part of Exact Sciences, SCV004115991.1

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

Description

The LAMB2 c.4304C>T variant is predicted to result in the amino acid substitution p.Pro1435Leu. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.057% of alleles in individuals of African descent in gnomAD (http://gnomad.broadinstitute.org/variant/3-49160406-G-A). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence.

#	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: Oct 8, 2024

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