rs886040966

Variant names:

• chr5-122077861-C-T
• rs886040966
• NM_002317.7:c.125G>A

Variant summary

Our verdict is Pathogenic. The variant received 12 ACMG points: 12P and 0B. PVS1 PM2 PP5_Moderate

The NM_002317.7(LOX):​c.125G>A​(p.Trp42*) variant causes a stop gained change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★). Variant results in nonsense mediated mRNA decay.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: LOX NM_002317.7 stop_gained
• Clinical Significance: Likely pathogenic criteria provided, single submitter P:3
• Conservation: PhyloP100: 3.96
• Publications: 5 publications found

Genes affected

LOX (HGNC:6664): (lysyl oxidase) This gene encodes a member of the lysyl oxidase family of proteins. Alternative splicing results in multiple transcript variants, at least one of which encodes a preproprotein that is proteolytically processed to generate a regulatory propeptide and the mature enzyme. The copper-dependent amine oxidase activity of this enzyme functions in the crosslinking of collagens and elastin, while the propeptide may play a role in tumor suppression. In addition, defects in this gene have been linked with predisposition to thoracic aortic aneurysms and dissections. [provided by RefSeq, Jul 2016]

SRFBP1 (HGNC:26333): (serum response factor binding protein 1) Enables RNA binding activity. Predicted to be involved in maturation of SSU-rRNA. Predicted to be located in perinuclear region of cytoplasm. Predicted to be part of 90S preribosome. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Pathogenic. The variant received 12 ACMG points.

• PVS1: Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 5-122077861-C-T is Pathogenic according to our data. Variant chr5-122077861-C-T is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 267292.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LOX	NM_002317.7	c.125G>A	p.Trp42*	stop_gained	Exon 1 of 7	ENST00000231004.5	NP_002308.2
SRFBP1	XM_017009111.3	c.*2536C>T		3_prime_UTR_variant	Exon 8 of 8		XP_016864600.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
LOX	ENST00000231004.5	c.125G>A	p.Trp42*	stop_gained	Exon 1 of 7	1	NM_002317.7	ENSP00000231004.4
LOX	ENST00000639739.2	n.125G>A		non_coding_transcript_exon_variant	Exon 1 of 6	5		ENSP00000492324.2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 1387758 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 685912

African (AFR) AF: 0.00 AC: 0 AN: 29394

American (AMR) AF: 0.00 AC: 0 AN: 33398

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 24464

East Asian (EAS) AF: 0.00 AC: 0 AN: 34884

South Asian (SAS) AF: 0.00 AC: 0 AN: 77986

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 44316

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5556

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1080182

Other (OTH) AF: 0.00 AC: 0 AN: 57578

GnomAD4 genome Cov.: 32

ClinVar

Significance: Likely pathogenic

Submissions summary: Pathogenic:3

Revision: criteria provided, single submitter

Submissions by phenotype

Aortic aneurysm, familial thoracic 10 Pathogenic:1

Oct 24, 2016

OMIM

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: literature only

- -

Familial thoracic aortic aneurysm and aortic dissection Pathogenic:1

Nov 20, 2018

Institute of Human Genetics, University Medical Center Hamburg-Eppendorf

Significance: Likely pathogenic

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Evidence for LOF pathogenicity as a common mechanism of disease is available. -

Acute aortic dissection;C0345050:Congenital aneurysm of ascending aorta Pathogenic:1

Jan 12, 2016

University of Washington Center for Mendelian Genomics, University of Washington

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: research

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.63	D
BayesDel_noAF	Pathogenic	0.59
CADD	Pathogenic	37
DANN	Uncertain	0.99
Eigen	Pathogenic	0.74
Eigen_PC	Uncertain	0.59
FATHMM_MKL	Uncertain	0.78	D
PhyloP100		4.0
Vest4		0.71
GERP RS		4.9
PromoterAI		-0.019	Neutral
Mutation Taster		=23/177	disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs886040966; hg19: chr5-121413556;