dbSNP rs900346086: VCAM1:p.Leu80Met (chr1-100720649-C-A) – ACMG Classification: Likely_pathogenic (6 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_001078.4(VCAM1):c.238C>A(p.Leu80Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,106 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L80V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

VCAM1
NM_001078.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.35

Publications

0 publications found

Variant links:

Genes affected

VCAM1 (HGNC:12663): (vascular cell adhesion molecule 1) This gene is a member of the Ig superfamily and encodes a cell surface sialoglycoprotein expressed by cytokine-activated endothelium. This type I membrane protein mediates leukocyte-endothelial cell adhesion and signal transduction, and may play a role in the development of artherosclerosis and rheumatoid arthritis. Three alternatively spliced transcripts encoding different isoforms have been described for this gene. [provided by RefSeq, Dec 2010]

VCAM1 links:

ENSG00000299357 (HGNC:):

ENSG00000299357 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.951

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
VCAM1	NM_001078.4 link	c.238C>A	p.Leu80Met	missense_variant	Exon 2 of 9	ENST00000294728.7	NP_001069.1	P19320-1
VCAM1	NM_080682.3 link	c.238C>A	p.Leu80Met	missense_variant	Exon 2 of 8		NP_542413.1	P19320-2
VCAM1	NM_001199834.2 link	c.154+84C>A		intron_variant	Intron 2 of 8		NP_001186763.1	P19320-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
VCAM1	ENST00000294728.7 link	c.238C>A	p.Leu80Met	missense_variant	Exon 2 of 9	1	NM_001078.4	ENSP00000294728.2		P19320-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250716

AF XY:

0.00000738

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461106

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

726860

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33426

American (AMR)

AF:

0.00

AC:

AN:

44608

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26114

East Asian (EAS)

AF:

0.00

AC:

AN:

39666

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86236

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53398

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111550

Other (OTH)

AF:

0.00

AC:

AN:

60342

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.400

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.28

BayesDel_addAF

Pathogenic

0.17

BayesDel_noAF

Uncertain

0.10

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.34

.;T;T

Eigen

Uncertain

0.26

Eigen_PC

Benign

0.084

FATHMM_MKL

Benign

0.55

LIST_S2

Uncertain

0.88

D;T;D

M_CAP

Uncertain

0.11

MetaRNN

Pathogenic

0.95

D;D;D

MetaSVM

Uncertain

0.10

MutationAssessor

Pathogenic

3.0

M;M;.

PhyloP100

1.4

PrimateAI

Benign

0.41

PROVEAN

Benign

-1.4

N;N;N

REVEL

Uncertain

0.58

Sift

Uncertain

0.011

D;D;D

Sift4G

Pathogenic

0.0

D;D;D

Polyphen

1.0

D;D;.

Vest4

0.58

MutPred

0.86

Gain of disorder (P = 0.05);Gain of disorder (P = 0.05);Gain of disorder (P = 0.05);

MVP

0.86

MPC

0.67

ClinPred

0.80

GERP RS

1.4

Varity_R

0.70

gMVP

0.68

Mutation Taster

=73/27

polymorphism

(source)

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

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rs900346086

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over