NM_006158.5:c.667C>T

Variant names:

Variant summary

Our verdict is Benign. Variant got -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBS1BS2

The NM_006158.5(NEFL):c.667C>T(p.Leu223Leu) variant causes a synonymous change. The variant allele was found at a frequency of 0.00656 in 1,610,090 control chromosomes in the GnomAD database, including 54 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0047 ( 4 hom., cov: 32)

Exomes 𝑓: 0.0068 ( 50 hom. )

Consequence

NEFL
NM_006158.5 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:12O:1

Conservation

PhyloP100: 5.68

Variant links:

Genes affected

NEFL (HGNC:7739): (neurofilament light chain) Neurofilaments are type IV intermediate filament heteropolymers composed of light, medium, and heavy chains. Neurofilaments comprise the axoskeleton and they functionally maintain the neuronal caliber. They may also play a role in intracellular transport to axons and dendrites. This gene encodes the light chain neurofilament protein. Mutations in this gene cause Charcot-Marie-Tooth disease types 1F (CMT1F) and 2E (CMT2E), disorders of the peripheral nervous system that are characterized by distinct neuropathies. A pseudogene has been identified on chromosome Y. [provided by RefSeq, Oct 2008]

NEFL links:

ENSG00000272157 (HGNC:):

ENSG00000272157 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -18 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.36).

BP6

Variant 8-24955849-G-A is Benign according to our data. Variant chr8-24955849-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 66696.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr8-24955849-G-A is described in Lovd as [Benign]. Variant chr8-24955849-G-A is described in Lovd as [Likely_benign].

BS1

Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.00474 (721/152198) while in subpopulation NFE AF= 0.00691 (470/67992). AF 95% confidence interval is 0.0064. There are 4 homozygotes in gnomad4. There are 368 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 4 AD,AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NEFL	NM_006158.5 link	c.667C>T	p.Leu223Leu	synonymous_variant	Exon 1 of 4	ENST00000610854.2	NP_006149.2	P07196

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
NEFL	ENST00000610854.2 link	c.667C>T	p.Leu223Leu	synonymous_variant	Exon 1 of 4	1	NM_006158.5	ENSP00000482169.2	P07196
NEFL	ENST00000615973.1 link	n.873C>T		non_coding_transcript_exon_variant	Exon 1 of 1	6
ENSG00000272157	ENST00000607735.2 link	n.-92G>A		upstream_gene_variant		6

Frequencies

GnomAD3 genomes

AF:

0.00474

AC:

721

AN:

152078

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00121

Gnomad AMI

AF:

0.00877

Gnomad AMR

AF:

0.00105

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000417

Gnomad FIN

AF:

0.0158

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.00691

Gnomad OTH

AF:

0.00239

GnomAD3 exomes

AF:

0.00537

AC:

1322

AN:

246094

Hom.:

AF XY:

0.00532

AC XY:

712

AN XY:

133928

show subpopulations

Gnomad AFR exome

AF:

0.00117

Gnomad AMR exome

AF:

0.000377

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000425

Gnomad FIN exome

AF:

0.0167

Gnomad NFE exome

AF:

0.00836

Gnomad OTH exome

AF:

0.00348

GnomAD4 exome

AF:

0.00675

AC:

9842

AN:

1457892

Hom.:

Cov.:

AF XY:

0.00643

AC XY:

4664

AN XY:

725470

show subpopulations

Gnomad4 AFR exome

AF:

0.00111

Gnomad4 AMR exome

AF:

0.000626

Gnomad4 ASJ exome

AF:

0.0000383

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.000464

Gnomad4 FIN exome

AF:

0.0153

Gnomad4 NFE exome

AF:

0.00780

Gnomad4 OTH exome

AF:

0.00499

GnomAD4 genome

AF:

0.00474

AC:

721

AN:

152198

Hom.:

Cov.:

AF XY:

0.00494

AC XY:

368

AN XY:

74432

show subpopulations

Gnomad4 AFR

AF:

0.00120

Gnomad4 AMR

AF:

0.00105

Gnomad4 ASJ

AF:

0.000288

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000417

Gnomad4 FIN

AF:

0.0158

Gnomad4 NFE

AF:

0.00691

Gnomad4 OTH

AF:

0.00237

Alfa

AF:

0.00560

Hom.:

Bravo

AF:

0.00359

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:12Other:1

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:6Other:1

Nov 22, 2017

Athena Diagnostics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Oct 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

NEFL: BP4, BS2 -

Breakthrough Genomics, Breakthrough Genomics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

- -

Mar 03, 2015

GeneDx

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Epithelial Biology; Institute of Medical Biology, Singapore

Significance: not provided

Review Status: no classification provided

Collection Method: literature only

- -

Aug 15, 2023

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

not specified

Benign:3

Inherited Neuropathy Consortium

Significance: Benign

Review Status: no assertion criteria provided

Collection Method: literature only

- -

Clinical Genetics, Academic Medical Center

Significance: Benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

- -

Sep 28, 2015

Eurofins Ntd Llc (ga)

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Charcot-Marie-Tooth disease

Benign:1

Molecular Genetics Laboratory, London Health Sciences Centre

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Charcot-Marie-Tooth disease type 2E

Benign:1

Feb 03, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Charcot-Marie-Tooth disease, type I

Benign:1

Jun 14, 2016

Illumina Laboratory Services, Illumina

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.36

CADD

Benign

DANN

Benign

0.96

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over