7-116531009-T-G

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_001753.5(CAV1):c.195+4320T>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.55 in 152,078 control chromosomes in the GnomAD database, including 24,750 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.55 (24750 hom., cov: 32)
• Consequence: CAV1 NM_001753.5 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.228

Genes affected

CAV1 (HGNC:1527): (caveolin 1) The scaffolding protein encoded by this gene is the main component of the caveolae plasma membranes found in most cell types. The protein links integrin subunits to the tyrosine kinase FYN, an initiating step in coupling integrins to the Ras-ERK pathway and promoting cell cycle progression. The gene is a tumor suppressor gene candidate and a negative regulator of the Ras-p42/44 mitogen-activated kinase cascade. Caveolin 1 and caveolin 2 are located next to each other on chromosome 7 and express colocalizing proteins that form a stable hetero-oligomeric complex. Mutations in this gene have been associated with Berardinelli-Seip congenital lipodystrophy. Alternatively spliced transcripts encode alpha and beta isoforms of caveolin 1.[provided by RefSeq, Mar 2010]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.9).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.913 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
CAV1	NM_001753.5	c.195+4320T>G		intron_variant		ENST00000341049.7
CAV1	NM_001172895.1	c.102+4320T>G		intron_variant
CAV1	NM_001172896.2	c.102+4320T>G		intron_variant
CAV1	NM_001172897.2	c.102+4320T>G		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
CAV1	ENST00000341049.7	c.195+4320T>G		intron_variant		1	NM_001753.5	P3

Frequencies

GnomAD3 genomes AF: 0.550 AC: 83540 AN: 151960 Hom.: 24726 Cov.: 32

Gnomad AFR AF: 0.345

Gnomad AMI AF: 0.473

Gnomad AMR AF: 0.639

Gnomad ASJ AF: 0.518

Gnomad EAS AF: 0.935

Gnomad SAS AF: 0.662

Gnomad FIN AF: 0.751

Gnomad MID AF: 0.462

Gnomad NFE AF: 0.589

Gnomad OTH AF: 0.530

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.550 AC: 83608 AN: 152078 Hom.: 24750 Cov.: 32 AF XY: 0.563 AC XY: 41872 AN XY: 74346

Gnomad4 AFR AF: 0.345

Gnomad4 AMR AF: 0.640

Gnomad4 ASJ AF: 0.518

Gnomad4 EAS AF: 0.935

Gnomad4 SAS AF: 0.662

Gnomad4 FIN AF: 0.751

Gnomad4 NFE AF: 0.589

Gnomad4 OTH AF: 0.534

Alfa AF: 0.568 Hom.: 13807

Bravo AF: 0.532

Asia WGS AF: 0.777 AC: 2698 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.90
Cadd	Benign	3.1
Dann	Benign	0.50

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

Other links and lift over

dbSNP: rs3779512; hg19: chr7-116171063;