rs756623620
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Variant summary
Our verdict is Likely benign. Variant got -6 ACMG points: 2P and 8B. PM2BP6_Very_Strong
The NM_000314.8(PTEN):c.493-12dupT variant causes a intron change. The variant allele was found at a frequency of 0.0000137 in 1,610,802 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000014 ( 0 hom. )
Consequence
PTEN
NM_000314.8 intron
NM_000314.8 intron
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 3.66
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]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -6 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP6
Variant 10-87952098-C-CT is Benign according to our data. Variant chr10-87952098-C-CT is described in ClinVar as [Likely_benign]. Clinvar id is 548788.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
PTEN | NM_000314.8 | c.493-12dupT | intron_variant | ENST00000371953.8 | NP_000305.3 | |||
PTEN | NM_001304717.5 | c.1012-12dupT | intron_variant | NP_001291646.4 | ||||
PTEN | NM_001304718.2 | c.-99-12dupT | intron_variant | NP_001291647.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
PTEN | ENST00000371953.8 | c.493-12dupT | intron_variant | 1 | NM_000314.8 | ENSP00000361021.3 |
Frequencies
GnomAD3 genomes AF: 0.0000132 AC: 2AN: 151942Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.0000137 AC: 20AN: 1458860Hom.: 0 Cov.: 31 AF XY: 0.0000138 AC XY: 10AN XY: 725838
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GnomAD4 genome AF: 0.0000132 AC: 2AN: 151942Hom.: 0 Cov.: 32 AF XY: 0.0000270 AC XY: 2AN XY: 74202
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ClinVar
Significance: Benign/Likely benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Cowden syndrome 1 Benign:2
Likely benign, criteria provided, single submitter | clinical testing | Counsyl | Sep 12, 2017 | - - |
Benign, criteria provided, single submitter | clinical testing | Myriad Genetics, Inc. | Apr 05, 2023 | This variant is considered benign. This variant is intronic and is not expected to impact mRNA splicing. - |
PTEN hamartoma tumor syndrome Benign:1
Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 29, 2024 | - - |
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | GeneDx | Aug 03, 2015 | - - |
Hereditary cancer-predisposing syndrome Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Color Diagnostics, LLC DBA Color Health | Jul 11, 2016 | - - |
Computational scores
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at