Genetic Variant ELN:c.1096+37_1096+50delGTGTGTGTGTGTGT (chr7-74053320-CTGTGTGTGTGTGTG-C) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_000501.4(ELN):c.1096+37_1096+50delGTGTGTGTGTGTGT variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000787 in 1,562,756 control chromosomes in the GnomAD database, with no homozygous occurrence. It is difficult to determine the true allele frequency of this variant because it is of type DEL_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000014 ( 0 hom., cov: 0)

Exomes 𝑓: 0.000085 ( 0 hom. )

Consequence

ELN
NM_000501.4 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.33

Publications

3 publications found

Variant links:

Genes affected

ELN (HGNC:3327): (elastin) This gene encodes a protein that is one of the two components of elastic fibers. Elastic fibers comprise part of the extracellular matrix and confer elasticity to organs and tissues including the heart, skin, lungs, ligaments, and blood vessels. The encoded protein is rich in hydrophobic amino acids such as glycine and proline, which form mobile hydrophobic regions bounded by crosslinks between lysine residues. Degradation products of the encoded protein, known as elastin-derived peptides or elastokines, bind the elastin receptor complex and other receptors and stimulate migration and proliferation of monocytes and skin fibroblasts. Elastokines can also contribute to cancer progression. Deletions and mutations in this gene are associated with supravalvular aortic stenosis (SVAS) and autosomal dominant cutis laxa. [provided by RefSeq, Aug 2017]

ELN Gene-Disease associations (from GenCC):

cutis laxa, autosomal dominant 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Ambry Genetics, Genomics England PanelApp, G2P
supravalvular aortic stenosis
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
autosomal dominant cutis laxa
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
familial thoracic aortic aneurysm and aortic dissection
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

ELN links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High AC in GnomAdExome4 at 121 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ELN	NM_000501.4 link	c.1096+37_1096+50delGTGTGTGTGTGTGT		intron_variant	Intron 18 of 32	ENST00000252034.12	NP_000492.2	P15502-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ELN	ENST00000252034.12 link	c.1096+12_1096+25delTGTGTGTGTGTGTG		intron_variant	Intron 18 of 32	1	NM_000501.4	ENSP00000252034.7		P15502-2

Frequencies

GnomAD3 genomes

AF:

0.0000139

AC:

AN:

144146

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000228

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000152

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000853

AC:

121

AN:

1418610

Hom.:

AF XY:

0.000107

AC XY:

AN XY:

703068

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32370

American (AMR)

AF:

0.0000253

AC:

AN:

39504

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25306

East Asian (EAS)

AF:

0.000106

AC:

AN:

37718

South Asian (SAS)

AF:

0.000170

AC:

AN:

82510

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49148

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4234

European-Non Finnish (NFE)

AF:

0.0000918

AC:

100

AN:

1089284

Other (OTH)

AF:

0.0000342

AC:

AN:

58536

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.447

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000139

AC:

AN:

144146

Hom.:

Cov.:

AF XY:

0.0000143

AC XY:

AN XY:

69834

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

38648

American (AMR)

AF:

0.00

AC:

AN:

14414

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3392

East Asian (EAS)

AF:

0.00

AC:

AN:

4900

South Asian (SAS)

AF:

0.000228

AC:

AN:

4382

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9436

Middle Eastern (MID)

AF:

0.00

AC:

AN:

304

European-Non Finnish (NFE)

AF:

0.0000152

AC:

AN:

65808

Other (OTH)

AF:

0.00

AC:

AN:

1974

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

744

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

1.3

Splicing

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over