rs121909236

Variant summary

Our verdict is Pathogenic. The variant received 12 ACMG points: 12P and 0B. PM1PM2PM5PP2PP3_StrongPP5

The NM_000314.8(PTEN):​c.181C>A​(p.His61Asn) variant causes a missense change involving the alteration of a conserved nucleotide. 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H61R) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

PTEN
NM_000314.8 missense

Scores

15
3
1

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:1U:1

Conservation

PhyloP100: 7.32

Publications

0 publications found
Variant links:
Genes affected
PTEN (HGNC:9588): (phosphatase and tensin homolog) This gene was identified as a tumor suppressor that is mutated in a large number of cancers at high frequency. The protein encoded by this gene is a phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase. It contains a tensin like domain as well as a catalytic domain similar to that of the dual specificity protein tyrosine phosphatases. Unlike most of the protein tyrosine phosphatases, this protein preferentially dephosphorylates phosphoinositide substrates. It negatively regulates intracellular levels of phosphatidylinositol-3,4,5-trisphosphate in cells and functions as a tumor suppressor by negatively regulating AKT/PKB signaling pathway. The use of a non-canonical (CUG) upstream initiation site produces a longer isoform that initiates translation with a leucine, and is thought to be preferentially associated with the mitochondrial inner membrane. This longer isoform may help regulate energy metabolism in the mitochondria. A pseudogene of this gene is found on chromosome 9. Alternative splicing and the use of multiple translation start codons results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Feb 2015]
PTEN Gene-Disease associations (from GenCC):
  • Cowden syndrome 1
    Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P
  • PTEN hamartoma tumor syndrome
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • macrocephaly-autism syndrome
    Inheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Genomics England PanelApp, Orphanet
  • renal cell carcinoma
    Inheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
  • leiomyosarcoma
    Inheritance: AR Classification: MODERATE Submitted by: Genomics England PanelApp
  • activated PI3K-delta syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Bannayan-Riley-Ruvalcaba syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Cowden disease
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Lhermitte-Duclos disease
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Proteus-like syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • glioma susceptibility 2
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM1
In a hotspot region, there are 18 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 43 uncertain in NM_000314.8
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr10-87925530-A-G is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 189402.Status of the report is reviewed_by_expert_panel, 3 stars.
PP2
Missense variant in the PTEN gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 209 curated pathogenic missense variants (we use a threshold of 10). The gene has 22 curated benign missense variants. Gene score misZ: 3.4883 (above the threshold of 3.09). Trascript score misZ: 4.1129 (above the threshold of 3.09). GenCC associations: The gene is linked to leiomyosarcoma, renal cell carcinoma, Cowden syndrome 1, macrocephaly-autism syndrome, glioma susceptibility 2, PTEN hamartoma tumor syndrome, Cowden disease, Bannayan-Riley-Ruvalcaba syndrome, Proteus-like syndrome, Lhermitte-Duclos disease, activated PI3K-delta syndrome.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.954
PP5
Variant 10-87925529-C-A is Pathogenic according to our data. Variant chr10-87925529-C-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 1780734.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
PTENNM_000314.8 linkc.181C>A p.His61Asn missense_variant Exon 3 of 9 ENST00000371953.8 NP_000305.3
PTENNM_001304717.5 linkc.700C>A p.His234Asn missense_variant Exon 4 of 10 NP_001291646.4 P60484
PTENNM_001304718.2 linkc.-541-5517C>A intron_variant Intron 2 of 8 NP_001291647.1 P60484

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
PTENENST00000371953.8 linkc.181C>A p.His61Asn missense_variant Exon 3 of 9 1 NM_000314.8 ENSP00000361021.3 P60484-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1438454
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
716458
African (AFR)
AF:
0.00
AC:
0
AN:
33080
American (AMR)
AF:
0.00
AC:
0
AN:
44304
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25852
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39418
South Asian (SAS)
AF:
0.00
AC:
0
AN:
85420
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
46958
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5686
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1098046
Other (OTH)
AF:
0.00
AC:
0
AN:
59690
GnomAD4 genome
Cov.:
32

ClinVar

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

Submissions by phenotype

not provided Pathogenic:1
May 26, 2024
GeneDx
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 26418532, 29706350, 24475377, 19457929, 29785012) -

Hereditary cancer-predisposing syndrome Uncertain:1
Apr 21, 2022
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The p.H61N variant (also known as c.181C>A), located in coding exon 3 of the PTEN gene, results from a C to A substitution at nucleotide position 181. The histidine at codon 61 is replaced by asparagine, an amino acid with similar properties. This variant demonstrated low intracellular protein abundance on one multiplex functional assay (Matreyek KA et al. Nat Genet, 2018 06;50:874-882). This variant disrupts the NEK2 phosphorylation site motif (Ambry internal data; Lee CU et al. Angew Chem Int Ed Engl, 2015 Nov;54:13796-800). This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
1.0
BayesDel_addAF
Pathogenic
0.33
D
BayesDel_noAF
Pathogenic
0.24
CADD
Pathogenic
28
DANN
Uncertain
0.99
DEOGEN2
Pathogenic
0.96
D
Eigen
Pathogenic
1.0
Eigen_PC
Pathogenic
0.91
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
D
M_CAP
Pathogenic
0.78
D
MetaRNN
Pathogenic
0.95
D
MetaSVM
Pathogenic
1.0
D
MutationAssessor
Pathogenic
4.1
H
PhyloP100
7.3
PrimateAI
Pathogenic
0.93
D
PROVEAN
Pathogenic
-6.4
D
REVEL
Pathogenic
0.89
Sift
Uncertain
0.0030
D
Sift4G
Uncertain
0.0070
D
Polyphen
1.0
D
Vest4
0.92
MutPred
0.75
Gain of ubiquitination at K60 (P = 0.0745);
MVP
0.97
MPC
2.5
ClinPred
1.0
D
GERP RS
5.5
Varity_R
0.88
gMVP
0.99
Mutation Taster
=4/96
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs121909236; hg19: chr10-89685286; API