7-116525108-G-C

Variant names:

• chr7-116525108-G-C
• rs148066554
• NM_001753.5:c.30+16G>C

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001172895.1(CAV1):​c.-761G>C variant causes a 5 prime UTR 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. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: CAV1 NM_001172895.1 5_prime_UTR
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.736
• Publications: 2 publications found

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]

CAV1 Gene-Disease associations (from GenCC):

• congenital generalized lipodystrophy type 3

  Inheritance: AD, AR Classification: DEFINITIVE, MODERATE, LIMITED Submitted by: Ambry Genetics, ClinGen, G2P
• pulmonary arterial hypertension

  Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
• partial lipodystrophy, congenital cataracts, and neurodegeneration syndrome

  Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
• pulmonary hypertension, primary, 3

  Inheritance: AD Classification: STRONG, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
• heritable pulmonary arterial hypertension

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• Berardinelli-Seip congenital lipodystrophy

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
• amyotrophic lateral sclerosis

  Inheritance: AD Classification: LIMITED Submitted by: ClinGen
• lipodystrophy

  Inheritance: AD Classification: LIMITED Submitted by: ClinGen

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.71).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001172895.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CAV1	NM_001753.5	MANE Select	c.30+16G>C		intron	N/A	NP_001744.2
	CAV1	NM_001172895.1		c.-761G>C		5_prime_UTR	Exon 1 of 3	NP_001166366.1	Q59E85

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CAV1	ENST00000341049.7	TSL:1 MANE Select	c.30+16G>C		intron	N/A	ENSP00000339191.2	Q03135-1
	CAV1	ENST00000614113.5	TSL:1	c.30+16G>C		intron	N/A	ENSP00000479447.2	A0A7P0YWJ6
	CAV1	ENST00000451122.5	TSL:1	n.46G>C		non_coding_transcript_exon	Exon 1 of 3	ENSP00000409541.1	F8WDM7

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.32
BayesDel_noAF	Benign	-0.71
CADD	Benign	7.1
DANN	Benign	0.91
PhyloP100		0.74
PromoterAI		0.0022	Neutral

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		Details are displayed if max score is > 0.2

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

Other links and lift over

dbSNP: rs148066554; hg19: chr7-116165162;