rs80358308

Variant names:

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PM1PM2PP2PP3_StrongPP5_Moderate

The NM_002335.4(LRP5):c.1330C>T(p.Arg444Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000229 in 1,613,502 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000025 ( 0 hom. )

Consequence

LRP5
NM_002335.4 missense

Scores

Clinical Significance

Pathogenic criteria provided, single submitter P:2U:1

Conservation

PhyloP100: 2.94

Variant links:

Genes affected

LRP5 (HGNC:6697): (LDL receptor related protein 5) This gene encodes a transmembrane low-density lipoprotein receptor that binds and internalizes ligands in the process of receptor-mediated endocytosis. This protein also acts as a co-receptor with Frizzled protein family members for transducing signals by Wnt proteins and was originally cloned on the basis of its association with type 1 diabetes mellitus in humans. This protein plays a key role in skeletal homeostasis and many bone density related diseases are caused by mutations in this gene. Mutations in this gene also cause familial exudative vitreoretinopathy. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2014]

LRP5 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 11 ACMG points.

PM1

In a region_of_interest Beta-propeller 2 (size 261) in uniprot entity LRP5_HUMAN there are 85 pathogenic changes around while only 3 benign (97%) in NM_002335.4

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the LRP5 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 71 curated pathogenic missense variants (we use a threshold of 10). The gene has 23 curated benign missense variants. Gene score misZ: 1.6684 (below the threshold of 3.09). Trascript score misZ: 3.6986 (above the threshold of 3.09). GenCC associations: The gene is linked to exudative vitreoretinopathy 4, polycystic liver disease 4 with or without kidney cysts, polycystic liver disease 1, exudative vitreoretinopathy, osteosclerosis-developmental delay-craniosynostosis syndrome, bone mineral density quantitative trait locus 1, autosomal dominant osteopetrosis 1, hyperostosis corticalis generalisata, osteoporosis-pseudoglioma syndrome, autosomal dominant osteosclerosis, Worth type, inherited retinal dystrophy.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.994

PP5

Variant 11-68386630-C-T is Pathogenic according to our data. Variant chr11-68386630-C-T is described in ClinVar as [Pathogenic]. Clinvar id is 6293.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr11-68386630-C-T is described in Lovd as [Pathogenic]. Variant chr11-68386630-C-T is described in Lovd as [Likely_pathogenic]. Variant chr11-68386630-C-T is described in Lovd as [Likely_pathogenic].

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LRP5	NM_002335.4 link	c.1330C>T	p.Arg444Cys	missense_variant	Exon 6 of 23	ENST00000294304.12	NP_002326.2	O75197

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
LRP5	ENST00000294304.12 link	c.1330C>T	p.Arg444Cys	missense_variant	Exon 6 of 23	1	NM_002335.4	ENSP00000294304.6		O75197
LRP5	ENST00000529993.5 link	n.1330C>T		non_coding_transcript_exon_variant	Exon 6 of 23	1		ENSP00000436652.1		E9PHY1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152170

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:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000200

AC:

AN:

250230

Hom.:

AF XY:

0.0000148

AC XY:

AN XY:

135462

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000463

Gnomad NFE exome

AF:

0.0000354

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000246

AC:

AN:

1461332

Hom.:

Cov.:

AF XY:

0.0000316

AC XY:

AN XY:

727018

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000232

Gnomad4 FIN exome

AF:

0.0000189

Gnomad4 NFE exome

AF:

0.0000270

Gnomad4 OTH exome

AF:

0.0000497

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152170

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74334

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000113

ExAC

AF:

0.0000247

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:2Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Pathogenic:1

Apr 20, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Pathogenic

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 444 of the LRP5 protein (p.Arg444Cys). This variant is present in population databases (rs80358308, gnomAD 0.004%). This missense change has been observed in individuals with autosomal dominant and recessive familial exudative vitreoretinopathy (PMID: 15981244, 26244290, 31237656, 34860240; Invitae). ClinVar contains an entry for this variant (Variation ID: 6293). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on LRP5 protein function. Experimental studies have shown that this missense change affects LRP5 function (PMID: 17955262). For these reasons, this variant has been classified as Pathogenic. -

Exudative vitreoretinopathy 4, digenic

Pathogenic:1

Aug 01, 2005

OMIM

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: literature only

- -

LRP5-related disorder

Uncertain:1

Jul 05, 2024

PreventionGenetics, part of Exact Sciences

Significance: Uncertain significance

Review Status: no assertion criteria provided

Collection Method: clinical testing

The LRP5 c.1330C>T variant is predicted to result in the amino acid substitution p.Arg444Cys. This variant has been reported in multiple individuals with familial exudative vitreoretinopathy (Table 2, Qin et al. 2007. PubMed ID: 17955262; Table 2, Chen et al. 2019. PubMed ID: 31237656; Table S3, Hanany et al. 2020. PubMed ID: 31964843; Table 2, Tao et al. 2021. PubMed ID: 34860240; Table 1, Seo et al. 2015. PubMed ID: 26244290). In vitro experimental studies suggest this variant impacts protein function (Qin et al. 2007. PubMed ID: 17955262). This variant has not been reported in individuals with osteosclerosis/abnormal bone mineral density. This variant is reported in 0.0046% of alleles in individuals of European (Finnish) descent in gnomAD. This variant could be pathogenic. However, at this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.59

BayesDel_addAF

Pathogenic

0.35

BayesDel_noAF

Pathogenic

0.37

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.91

Eigen

Uncertain

0.34

Eigen_PC

Uncertain

0.27

FATHMM_MKL

Uncertain

0.96

LIST_S2

Benign

0.80

M_CAP

Pathogenic

0.77

MetaRNN

Pathogenic

0.99

MetaSVM

Uncertain

0.69

MutationAssessor

Pathogenic

3.0

PrimateAI

Pathogenic

0.82

PROVEAN

Pathogenic

-6.4

REVEL

Pathogenic

0.80

Sift

Pathogenic

0.0

Sift4G

Uncertain

0.0060

Polyphen

0.88

Vest4

0.97

MutPred

0.90

Loss of disorder (P = 0.049);

MVP

0.97

MPC

1.1

ClinPred

0.92

GERP RS

3.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.8

Varity_R

0.72

gMVP

0.89

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