10-87933259-AT-ATT
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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.492+14dupT variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000025 in 1,601,512 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )
Consequence
PTEN
NM_000314.8 intron
NM_000314.8 intron
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 0.308
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 10-87933259-A-AT is Benign according to our data. Variant chr10-87933259-A-AT is described in ClinVar as [Likely_benign]. Clinvar id is 419168.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.492+14dupT | intron_variant | ENST00000371953.8 | NP_000305.3 | |||
PTEN | NM_001304717.5 | c.1011+14dupT | intron_variant | NP_001291646.4 | ||||
PTEN | NM_001304718.2 | c.-259+14dupT | intron_variant | NP_001291647.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
PTEN | ENST00000371953.8 | c.492+14dupT | intron_variant | 1 | NM_000314.8 | ENSP00000361021.3 |
Frequencies
GnomAD3 genomes AF: 0.00000658 AC: 1AN: 152048Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.00000399 AC: 1AN: 250646Hom.: 0 AF XY: 0.00000737 AC XY: 1AN XY: 135620
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GnomAD4 exome AF: 0.00000207 AC: 3AN: 1449464Hom.: 0 Cov.: 28 AF XY: 0.00000416 AC XY: 3AN XY: 721928
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GnomAD4 genome AF: 0.00000658 AC: 1AN: 152048Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74260
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ClinVar
Significance: Benign/Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:1
Likely benign, criteria provided, single submitter | clinical testing | GeneDx | Aug 17, 2016 | This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. - |
PTEN hamartoma tumor syndrome Benign:1
Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 04, 2024 | - - |
Hereditary cancer-predisposing syndrome Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Color Diagnostics, LLC DBA Color Health | Jun 12, 2017 | - - |
Computational scores
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at