rs373049356

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 3P and 5B. PM1PP3BP6BS2

The NM_014365.3(HSPB8):​c.503C>T​(p.Ala168Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000973 in 1,614,152 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000094 ( 0 hom. )

Consequence

HSPB8
NM_014365.3 missense

Scores

4
13
2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:4

Conservation

PhyloP100: 4.75
Variant links:
Genes affected
HSPB8 (HGNC:30171): (heat shock protein family B (small) member 8) The protein encoded by this gene belongs to the superfamily of small heat-shock proteins containing a conservative alpha-crystallin domain at the C-terminal part of the molecule. The expression of this gene in induced by estrogen in estrogen receptor-positive breast cancer cells, and this protein also functions as a chaperone in association with Bag3, a stimulator of macroautophagy. Thus, this gene appears to be involved in regulation of cell proliferation, apoptosis, and carcinogenesis, and mutations in this gene have been associated with different neuromuscular diseases, including Charcot-Marie-Tooth disease. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM1
In a chain Heat shock protein beta-8 (size 195) in uniprot entity HSPB8_HUMAN there are 7 pathogenic changes around while only 0 benign (100%) in NM_014365.3
PP3
MetaRNN computational evidence supports a deleterious effect, 0.832
BP6
Variant 12-119193770-C-T is Benign according to our data. Variant chr12-119193770-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 533139.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=4, Uncertain_significance=2}.
BS2
High AC in GnomAd4 at 19 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
HSPB8NM_014365.3 linkc.503C>T p.Ala168Val missense_variant Exon 3 of 3 ENST00000281938.7 NP_055180.1 Q9UJY1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
HSPB8ENST00000281938.7 linkc.503C>T p.Ala168Val missense_variant Exon 3 of 3 1 NM_014365.3 ENSP00000281938.3 Q9UJY1

Frequencies

GnomAD3 genomes
AF:
0.000118
AC:
18
AN:
152226
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000327
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000132
Gnomad OTH
AF:
0.000955
GnomAD3 exomes
AF:
0.000143
AC:
36
AN:
251480
Hom.:
0
AF XY:
0.000162
AC XY:
22
AN XY:
135918
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000463
Gnomad ASJ exome
AF:
0.0000992
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000229
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000791
Gnomad OTH exome
AF:
0.000489
GnomAD4 exome
AF:
0.0000944
AC:
138
AN:
1461808
Hom.:
0
Cov.:
31
AF XY:
0.000103
AC XY:
75
AN XY:
727214
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000514
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000675
Gnomad4 OTH exome
AF:
0.000281
GnomAD4 genome
AF:
0.000125
AC:
19
AN:
152344
Hom.:
0
Cov.:
32
AF XY:
0.000121
AC XY:
9
AN XY:
74504
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000327
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000621
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000132
Gnomad4 OTH
AF:
0.000945
Alfa
AF:
0.0000987
Hom.:
0
Bravo
AF:
0.000110
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.0000824
AC:
10
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.00

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:4
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:2Benign:1
Feb 28, 2022
Revvity Omics, Revvity
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jun 01, 2018
CeGaT Center for Human Genetics Tuebingen
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jul 12, 2019
GeneDx
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is associated with the following publications: (PMID: 31902012) -

not specified Benign:1
Sep 10, 2024
Athena Diagnostics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Inborn genetic diseases Benign:1
Feb 21, 2023
Ambry Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Charcot-Marie-Tooth disease axonal type 2L Benign:1
Jan 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.95
BayesDel_addAF
Uncertain
0.036
T
BayesDel_noAF
Uncertain
0.13
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.80
D
Eigen
Uncertain
0.60
Eigen_PC
Uncertain
0.59
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.89
D
M_CAP
Uncertain
0.14
D
MetaRNN
Pathogenic
0.83
D
MetaSVM
Uncertain
0.59
D
MutationAssessor
Benign
1.9
L
PrimateAI
Uncertain
0.64
T
PROVEAN
Uncertain
-3.8
D
REVEL
Pathogenic
0.66
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.040
D
Polyphen
1.0
D
Vest4
0.84
MVP
0.95
MPC
0.86
ClinPred
0.37
T
GERP RS
4.5
Varity_R
0.90
gMVP
0.71

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: rs373049356; hg19: chr12-119631575; API