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NM_000314.8(PTEN):c.885_886del (p.Leu295_Cys296insTer) AND Hereditary cancer-predisposing syndrome

Germline classification:
Pathogenic (1 submission)
Last evaluated:
Feb 12, 2025
Review status:
1 star out of maximum of 4 stars
criteria provided, single submitter
Somatic classification
of clinical impact:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Somatic classification
of oncogenicity:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Record status:
current
Accession:
RCV005260377.1

Allele description [Variation Report for NM_000314.8(PTEN):c.885_886del (p.Leu295_Cys296insTer)]

NM_000314.8(PTEN):c.885_886del (p.Leu295_Cys296insTer)

Gene:
PTEN:phosphatase and tensin homolog [Gene - OMIM - HGNC]
Variant type:
Deletion
Cytogenetic location:
10q23.31
Genomic location:
Preferred name:
NM_000314.8(PTEN):c.885_886del (p.Leu295_Cys296insTer)
HGVS:
  • NC_000010.11:g.87960977_87960978del
  • NG_007466.2:g.102539_102540del
  • NM_000314.8:c.885_886delMANE SELECT
  • NM_001304717.5:c.1404_1405del
  • NM_001304718.2:c.294_295del
  • NP_000305.3:p.Leu295_Cys296insTer
  • NP_001291646.4:p.Leu468_Cys469insTer
  • NP_001291647.1:p.Leu98_Cys99insTer
  • LRG_311t1:c.885_886del
  • LRG_311:g.102539_102540del
  • NC_000010.10:g.89720734_89720735del
  • NM_000314.4:c.885_886del
  • NM_000314.4:c.885_886delAT
Links:
dbSNP: rs1564568350
NCBI 1000 Genomes Browser:
rs1564568350
Molecular consequence:
  • NM_000314.8:c.885_886del - frameshift variant - [Sequence Ontology: SO:0001589]
  • NM_001304717.5:c.1404_1405del - frameshift variant - [Sequence Ontology: SO:0001589]
  • NM_001304718.2:c.294_295del - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:
Hereditary cancer-predisposing syndrome
Synonyms:
Neoplastic Syndromes, Hereditary; Tumor predisposition; Hereditary neoplastic syndrome; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Assertion and evidence details

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Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV005927137Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)		Pathogenic
(Feb 12, 2025) 		germlineclinical testing

Citation Link

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Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Details of each submission

From Ambry Genetics, SCV005927137.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

The c.885_886delAT pathogenic mutation, located in coding exon 8 of the PTEN gene, results from a deletion of two nucleotides at nucleotide positions 885 to 886, causing a translational frameshift with a predicted alternate stop codon (p.C296*). This variant is considered to be rare based on population cohorts in the Genome Aggregation Database (gnomAD). This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: May 16, 2025