rs397517864

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBP6

The NM_001384474.1(LOXHD1):​c.6050-15C>T variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000106 in 1,547,414 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 30)
Exomes 𝑓: 0.00011 ( 0 hom. )

Consequence

LOXHD1
NM_001384474.1 splice_polypyrimidine_tract, intron

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: 2.64
Variant links:
Genes affected
LOXHD1 (HGNC:26521): (lipoxygenase homology PLAT domains 1) This gene encodes a highly conserved protein consisting entirely of PLAT (polycystin/lipoxygenase/alpha-toxin) domains, thought to be involved in targeting proteins to the plasma membrane. Studies in mice show that this gene is expressed in the mechanosensory hair cells in the inner ear, and mutations in this gene lead to auditory defects, indicating that this gene is essential for normal hair cell function. Screening of human families segregating deafness identified a mutation in this gene which causes DFNB77, a progressive form of autosomal-recessive nonsyndromic hearing loss (ARNSHL). Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Mar 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.74).
BP6
Variant 18-46485166-G-A is Benign according to our data. Variant chr18-46485166-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 47948.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=1, Likely_benign=2}. Variant chr18-46485166-G-A is described in Lovd as [Likely_benign].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
LOXHD1NM_001384474.1 linkuse as main transcriptc.6050-15C>T splice_polypyrimidine_tract_variant, intron_variant ENST00000642948.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
LOXHD1ENST00000642948.1 linkuse as main transcriptc.6050-15C>T splice_polypyrimidine_tract_variant, intron_variant NM_001384474.1 P1

Frequencies

GnomAD3 genomes
AF:
0.0000532
AC:
8
AN:
150466
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000668
Gnomad ASJ
AF:
0.000290
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000216
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000738
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000190
AC:
30
AN:
157968
Hom.:
0
AF XY:
0.000240
AC XY:
20
AN XY:
83380
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00200
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000395
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000488
Gnomad OTH exome
AF:
0.000223
GnomAD4 exome
AF:
0.000112
AC:
156
AN:
1396830
Hom.:
0
Cov.:
35
AF XY:
0.000123
AC XY:
85
AN XY:
688404
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000280
Gnomad4 ASJ exome
AF:
0.00231
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000518
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000372
Gnomad4 OTH exome
AF:
0.000224
GnomAD4 genome
AF:
0.0000531
AC:
8
AN:
150584
Hom.:
0
Cov.:
30
AF XY:
0.0000681
AC XY:
5
AN XY:
73418
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000667
Gnomad4 ASJ
AF:
0.000290
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000216
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000738
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000304
Hom.:
0
Bravo
AF:
0.0000491

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Autosomal recessive nonsyndromic hearing loss 77 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCounsylMay 23, 2017- -
not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineFeb 06, 20135864-15C>T intron 37 in LOXHD1: This variant is not expected to have clinical si gnificance because it is not located within the splice consensus sequence. -
not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeJan 17, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.74
CADD
Benign
17
DANN
Benign
0.90

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.

Other links and lift over

dbSNP: rs397517864; hg19: chr18-44065129; API