4-176687917-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_005429.5(VEGFC):c.715G>A(p.Ala239Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 13/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: VEGFC NM_005429.5 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.17

Genes affected

VEGFC (HGNC:12682): (vascular endothelial growth factor C) The protein encoded by this gene is a member of the platelet-derived growth factor/vascular endothelial growth factor (PDGF/VEGF) family. The encoded protein promotes angiogenesis and endothelial cell growth, and can also affect the permeability of blood vessels. The proprotein is further cleaved into a fully processed form that can bind and activate VEGFR-2 and VEGFR-3 receptors. [provided by RefSeq, Apr 2014]

HAFML (HGNC:56694): (HuR (ELAVL1) associated fibroblast migratory lncRNA)

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.13442263).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
VEGFC	NM_005429.5	c.715G>A	p.Ala239Thr	missense_variant	5/7	ENST00000618562.2
HAFML	NR_183975.1	n.183-17986C>T		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
VEGFC	ENST00000618562.2	c.715G>A	p.Ala239Thr	missense_variant	5/7	1	NM_005429.5	P1
HAFML	ENST00000509194.1	n.90-17986C>T		intron_variant, non_coding_transcript_variant		3
HAFML	ENST00000504017.5	n.140+8167C>T		intron_variant, non_coding_transcript_variant		2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

Inborn genetic diseases Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Feb 06, 2024

The c.715G>A (p.A239T) alteration is located in exon 5 (coding exon 5) of the VEGFC gene. This alteration results from a G to A substitution at nucleotide position 715, causing the alanine (A) at amino acid position 239 to be replaced by a threonine (T). 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	0.073
BayesDel_addAF	Benign	-0.24	T
BayesDel_noAF	Benign	-0.59
Cadd	Benign	10
Dann	Benign	0.69
DEOGEN2	Benign	0.22	T
Eigen	Benign	-0.91
Eigen_PC	Benign	-0.89
FATHMM_MKL	Uncertain	0.89	D
LIST_S2	Benign	0.74	T
M_CAP	Benign	0.0054	T
MetaRNN	Benign	0.13	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	1.5	L
MutationTaster	Benign	1.0	D
PrimateAI	Benign	0.33	T
Sift4G	Benign	0.39	T
Polyphen		0.0070	B
Vest4		0.16
MutPred		0.29		Loss of glycosylation at P244 (P = 0.0416);
MVP		0.15
ClinPred		0.12	T
GERP RS		0.23
Varity_R		0.018
gMVP		0.40

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr4-177609071;