NM_006158.5(NEFL):c.94G>C (p.Gly32Arg) AND Charcot-Marie-Tooth disease type 2E

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jun 23, 2023
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:: RCV003629719.2

Allele description [Variation Report for NM_006158.5(NEFL):c.94G>C (p.Gly32Arg)]

NM_006158.5(NEFL):c.94G>C (p.Gly32Arg)

Gene:

NEFL:neurofilament light chain [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

8p21.2

Genomic location:

Preferred name:

NM_006158.5(NEFL):c.94G>C (p.Gly32Arg)

HGVS:

NC_000008.11:g.24956422C>G
NG_008492.1:g.5196G>C
NM_006158.5:c.94G>CMANE SELECT
NP_006149.2:p.Gly32Arg
NP_006149.2:p.Gly32Arg
LRG_259t1:c.94G>C
LRG_259:g.5196G>C
LRG_259p1:p.Gly32Arg
NC_000008.10:g.24813936C>G
NM_006158.4:c.94G>C

Protein change:

G32R

Molecular consequence:

NM_006158.5:c.94G>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Charcot-Marie-Tooth disease type 2E (CMT2E)
Synonyms:: CHARCOT-MARIE-TOOTH NEUROPATHY, TYPE 2E; CMT 2E; Charcot-Marie-Tooth disease, axonal, Type 2E
Identifiers:: MONDO: MONDO:0011894; MedGen: C1843225; Orphanet: 99939; OMIM: 607684

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004530423	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jun 23, 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

SCV004530423

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jun 23, 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

Citations

PubMed

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 Labcorp Genetics (formerly Invitae), Labcorp, SCV004530423.1

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

Description

This variant has not been reported in the literature in individuals affected with NEFL-related conditions. 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. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt NEFL protein function. This variant is present in population databases (no rsID available, gnomAD 0.01%). This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 32 of the NEFL protein (p.Gly32Arg).

#	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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