rs142670753

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2

The NM_004655.4(AXIN2):​c.1975C>T​(p.Arg659Trp) variant causes a missense change. The variant allele was found at a frequency of 0.000252 in 1,613,866 control chromosomes in the GnomAD database, including 4 homozygotes. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00016 ( 0 hom., cov: 34)
Exomes 𝑓: 0.00026 ( 4 hom. )

Consequence

AXIN2
NM_004655.4 missense

Scores

2
8
8

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:10

Conservation

PhyloP100: 4.11
Variant links:
Genes affected
AXIN2 (HGNC:904): (axin 2) The Axin-related protein, Axin2, presumably plays an important role in the regulation of the stability of beta-catenin in the Wnt signaling pathway, like its rodent homologs, mouse conductin/rat axil. In mouse, conductin organizes a multiprotein complex of APC (adenomatous polyposis of the colon), beta-catenin, glycogen synthase kinase 3-beta, and conductin, which leads to the degradation of beta-catenin. Apparently, the deregulation of beta-catenin is an important event in the genesis of a number of malignancies. The AXIN2 gene has been mapped to 17q23-q24, a region that shows frequent loss of heterozygosity in breast cancer, neuroblastoma, and other tumors. Mutations in this gene have been associated with colorectal cancer with defective mismatch repair. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP6
Variant 17-65536486-G-A is Benign according to our data. Variant chr17-65536486-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 240002.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.000164 (25/152376) while in subpopulation SAS AF= 0.000829 (4/4828). AF 95% confidence interval is 0.000283. There are 0 homozygotes in gnomad4. There are 10 alleles in male gnomad4 subpopulation. Median coverage is 34. This position pass quality control queck.
BS2
High AC in GnomAd4 at 25 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
AXIN2NM_004655.4 linkc.1975C>T p.Arg659Trp missense_variant Exon 8 of 11 ENST00000307078.10 NP_004646.3 Q9Y2T1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
AXIN2ENST00000307078.10 linkc.1975C>T p.Arg659Trp missense_variant Exon 8 of 11 1 NM_004655.4 ENSP00000302625.5 Q9Y2T1
AXIN2ENST00000375702.5 linkc.1780C>T p.Arg594Trp missense_variant Exon 6 of 9 1 ENSP00000364854.5 E7ES00
AXIN2ENST00000618960.4 linkc.1780C>T p.Arg594Trp missense_variant Exon 7 of 10 5 ENSP00000478916.1 E7ES00
AXIN2ENST00000578251.1 linkn.197C>T non_coding_transcript_exon_variant Exon 1 of 3 3

Frequencies

GnomAD3 genomes
AF:
0.000171
AC:
26
AN:
152258
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000196
Gnomad ASJ
AF:
0.000288
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000828
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.000176
Gnomad OTH
AF:
0.000955
GnomAD3 exomes
AF:
0.000269
AC:
66
AN:
245028
Hom.:
0
AF XY:
0.000345
AC XY:
46
AN XY:
133168
show subpopulations
Gnomad AFR exome
AF:
0.0000638
Gnomad AMR exome
AF:
0.000232
Gnomad ASJ exome
AF:
0.000302
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000655
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000277
Gnomad OTH exome
AF:
0.000664
GnomAD4 exome
AF:
0.000261
AC:
381
AN:
1461490
Hom.:
4
Cov.:
33
AF XY:
0.000312
AC XY:
227
AN XY:
727032
show subpopulations
Gnomad4 AFR exome
AF:
0.000269
Gnomad4 AMR exome
AF:
0.000201
Gnomad4 ASJ exome
AF:
0.000306
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.000638
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000172
Gnomad4 OTH exome
AF:
0.000613
GnomAD4 genome
AF:
0.000164
AC:
25
AN:
152376
Hom.:
0
Cov.:
34
AF XY:
0.000134
AC XY:
10
AN XY:
74522
show subpopulations
Gnomad4 AFR
AF:
0.0000481
Gnomad4 AMR
AF:
0.000196
Gnomad4 ASJ
AF:
0.000288
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000829
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000176
Gnomad4 OTH
AF:
0.000945
Alfa
AF:
0.000213
Hom.:
0
Bravo
AF:
0.000166
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000288
AC:
35
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000545
EpiControl
AF:
0.000533

ClinVar

Significance: Likely benign
Submissions summary: Benign:10
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Apr 07, 2023
Quest Diagnostics Nichols Institute San Juan Capistrano
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Sep 25, 2020
GeneDx
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; Observed in an individual with non-syndromic tooth agenesis as well as individuals with a personal or family history including colorectal, sarcoma, and other cancers (Pedace 2011, Ballinger 2016, Raskin 2017, Haddaji Mastouri 2018); This variant is associated with the following publications: (PMID: 29114927, 28640387, 12101426, 21294210, 25236910, 15735151, 15538750, 15067328, 27498913, 29212164, 33193653) -

-
Breakthrough Genomics, Breakthrough Genomics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: not provided

- -

Oligodontia-cancer predisposition syndrome Benign:2
Apr 27, 2017
Illumina Laboratory Services, Illumina
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not specified Benign:2
Mar 04, 2025
Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Apr 28, 2022
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Variant summary: AXIN2 c.1975C>T (p.Arg659Trp) results in a non-conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.00027 in 245028 control chromosomes. The observed variant frequency is approximately 2 fold of the estimated maximal expected allele frequency for a pathogenic variant in AXIN2 causing Colorectal Cancer phenotype (0.00014), strongly suggesting that the variant is benign. c.1975C>T has been reported in the literature in at least one individual affected with Colorectal Cancer. These reports do not provide unequivocal conclusions about association of the variant with Colorectal Cancer. Four clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. All laboratories classified the variant as likely benign. Based on the evidence outlined above, the variant was classified as likely benign. -

Hereditary cancer-predisposing syndrome Benign:2
Apr 01, 2021
Sema4, Sema4
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: curation

- -

Oct 03, 2019
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. -

Colorectal cancer;C1837750:Oligodontia-cancer predisposition syndrome Benign:1
Oct 11, 2021
Fulgent Genetics, Fulgent Genetics
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
Benign
0.13
BayesDel_addAF
Benign
-0.20
T
BayesDel_noAF
Benign
-0.15
CADD
Uncertain
25
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.38
.;T;T
Eigen
Uncertain
0.50
Eigen_PC
Uncertain
0.59
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.91
.;D;.
M_CAP
Uncertain
0.099
D
MetaRNN
Uncertain
0.43
T;T;T
MetaSVM
Benign
-0.62
T
PrimateAI
Uncertain
0.63
T
PROVEAN
Benign
-2.3
N;.;D
REVEL
Benign
0.22
Sift
Uncertain
0.025
D;.;D
Sift4G
Uncertain
0.022
D;D;D
Polyphen
0.32
.;B;B
Vest4
0.76
MVP
0.43
MPC
0.65
ClinPred
0.097
T
GERP RS
5.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
gMVP
0.45

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: rs142670753; hg19: chr17-63532604; COSMIC: COSV61055585; COSMIC: COSV61055585; API