Genetic Variant VASH1:p.His277Tyr (chr14-76776190-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_014909.5(VASH1):c.829C>T(p.His277Tyr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000745 in 1,610,562 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

VASH1
NM_014909.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.91

Variant links:

Genes affected

VASH1 (HGNC:19964): (vasohibin 1) Enables actin binding activity and metallocarboxypeptidase activity. Involved in negative regulation of angiogenesis; negative regulation of blood vessel endothelial cell migration; and proteolysis. Acts upstream of or within several processes, including negative regulation of endothelial cell migration; negative regulation of endothelial cell proliferation; and negative regulation of lymphangiogenesis. Located in apical part of cell; endoplasmic reticulum; and extracellular space. Implicated in liver cirrhosis and portal hypertension. Biomarker of liver cirrhosis. [provided by Alliance of Genome Resources, Apr 2022]

VASH1 links:

ENSG00000259081 (HGNC:):

ENSG00000259081 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
VASH1	NM_014909.5 link	c.829C>T	p.His277Tyr	missense_variant	Exon 5 of 7	ENST00000167106.9	NP_055724.1	Q7L8A9-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
VASH1	ENST00000167106.9 link	c.829C>T	p.His277Tyr	missense_variant	Exon 5 of 7	1	NM_014909.5	ENSP00000167106.4	Q7L8A9-1
VASH1	ENST00000556038.5 link	n.602C>T		non_coding_transcript_exon_variant	Exon 4 of 5	5
ENSG00000259081	ENST00000556368.1 link	n.120-1277G>A		intron_variant	Intron 1 of 1	2

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152250

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:

0.000577

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000537

AC:

AN:

242072

Hom.:

AF XY:

0.0000303

AC XY:

AN XY:

132184

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000673

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000919

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000617

AC:

AN:

1458312

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

725638

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000126

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000270

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152250

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74384

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000577

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000151

ExAC

AF:

0.0000578

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 21, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.829C>T (p.H277Y) alteration is located in exon 5 (coding exon 5) of the VASH1 gene. This alteration results from a C to T substitution at nucleotide position 829, causing the histidine (H) at amino acid position 277 to be replaced by a tyrosine (Y). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.18

BayesDel_addAF

Uncertain

0.083

BayesDel_noAF

Pathogenic

0.25

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Benign

0.12

Eigen

Uncertain

0.58

Eigen_PC

Uncertain

0.61

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.87

M_CAP

Benign

0.0041

MetaRNN

Uncertain

0.44

MetaSVM

Benign

-0.75

MutationAssessor

Benign

1.6

PrimateAI

Pathogenic

0.79

PROVEAN

Benign

-0.76

REVEL

Uncertain

0.43

Sift

Benign

0.38

Sift4G

Benign

0.81

Polyphen

1.0

Vest4

0.83

MutPred

0.43

Loss of disorder (P = 0.0232);

MVP

0.32

MPC

1.4

ClinPred

0.22

GERP RS

5.2

Varity_R

0.50

gMVP

0.68

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