NM_002292.4(LAMB2):c.2810G>A (p.Arg937Gln) AND multiple conditions

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Aug 22, 2022
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:: RCV002480206.3

Allele description [Variation Report for NM_002292.4(LAMB2):c.2810G>A (p.Arg937Gln)]

NM_002292.4(LAMB2):c.2810G>A (p.Arg937Gln)

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.2810G>A (p.Arg937Gln)

HGVS:

NC_000003.12:g.49125080C>T
NG_008094.1:g.13087G>A
NG_054716.1:g.859G>A
NM_002292.4:c.2810G>AMANE SELECT
NP_002283.3:p.Arg937Gln
NC_000003.11:g.49162513C>T
NM_002292.3:c.2810G>A

Protein change:

R937Q

Links:

dbSNP: rs201235061

NCBI 1000 Genomes Browser:

rs201235061

Molecular consequence:

NM_002292.4:c.2810G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Pierson syndrome
Synonyms:: Microcoria and congenital nephrotic syndrome; MICROCORIA-CONGENITAL NEPHROTIC SYNDROME
Identifiers:: MONDO: MONDO:0012184; MedGen: C1836876; Orphanet: 2670; OMIM: 609049

Name:: LAMB2-related infantile-onset nephrotic syndrome
Synonyms:: Nephrotic syndrome, type 5, with or without ocular abnormalities; NEPHROTIC SYNDROME, TYPE 5, WITHOUT OCULAR ABNORMALITIES; NEPHROTIC SYNDROME, TYPE 5, WITH OCULAR ABNORMALITIES
Identifiers:: MONDO: MONDO:0013621; MedGen: C3280113; Orphanet: 306507; OMIM: 614199

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Cambridgea obscura voucher NZAC03014770 cytochrome c oxidase subunit 1 (COI) gen...
Cambridgea obscura voucher NZAC03014770 cytochrome c oxidase subunit 1 (COI) gene, partial cds; mitochondrial
gi|1735127386|gb|MK910918.1|

Nucleotide
Clematis scottii (1)
Taxonomy

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002777479	Fulgent Genetics, Fulgent Genetics	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Aug 17, 2021)	unknown	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV003245888	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Aug 22, 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

SCV002777479

Fulgent Genetics, Fulgent Genetics

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Aug 17, 2021)

unknown

clinical testing

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

SCV003245888

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Aug 22, 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
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

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 Fulgent Genetics, Fulgent Genetics, SCV002777479.1

#	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

From Labcorp Genetics (formerly Invitae), Labcorp, SCV003245888.1

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

Description

This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 937 of the LAMB2 protein (p.Arg937Gln). This variant is present in population databases (rs201235061, gnomAD 0.05%), including at least one homozygous and/or hemizygous individual. This variant has not been reported in the literature in individuals affected with LAMB2-related conditions. ClinVar contains an entry for this variant (Variation ID: 345996). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C35"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

#	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: Sep 29, 2024

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