NM_002691.4(POLD1):c.447_453dup (p.Ala152fs) AND Colorectal cancer, susceptibility to, 10

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 30, 2023
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:: RCV003526344.3

Allele description [Variation Report for NM_002691.4(POLD1):c.447_453dup (p.Ala152fs)]

NM_002691.4(POLD1):c.447_453dup (p.Ala152fs)

Gene:

POLD1:DNA polymerase delta 1, catalytic subunit [Gene - OMIM - HGNC]

Variant type:

Duplication

Cytogenetic location:

19q13.33

Genomic location:

Preferred name:

NM_002691.4(POLD1):c.447_453dup (p.Ala152fs)

HGVS:

NC_000019.10:g.50401908_50401914dup
NG_033800.1:g.22586_22592dup
NM_001256849.1:c.447_453dup
NM_001308632.1:c.447_453dup
NM_002691.4:c.447_453dupMANE SELECT
NP_001243778.1:p.Ala152fs
NP_001295561.1:p.Ala152fs
NP_002682.2:p.Ala152fs
LRG_785t1:c.447_453dup
LRG_785t2:c.447_453dup
LRG_785:g.22586_22592dup
LRG_785p1:p.Ala152fs
LRG_785p2:p.Ala152fs
NC_000019.9:g.50905163_50905164insACACCCC
NC_000019.9:g.50905165_50905171dup
NR_046402.2:n.492_498dup

Protein change:

A152fs

Molecular consequence:

NM_001256849.1:c.447_453dup - frameshift variant - [Sequence Ontology: SO:0001589]
NM_001308632.1:c.447_453dup - frameshift variant - [Sequence Ontology: SO:0001589]
NM_002691.4:c.447_453dup - frameshift variant - [Sequence Ontology: SO:0001589]
NR_046402.2:n.492_498dup - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:: Colorectal cancer, susceptibility to, 10
Synonyms:: COLORECTAL CANCER, SUSCEPTIBILITY TO, ON CHROMOSOME 19q; Colorectal cancer 10
Identifiers:: MONDO: MONDO:0012953; MedGen: C2675481; Orphanet: 220460; OMIM: 612591

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004323933	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 30, 2023)	germline	clinical testing	PubMed (3) [See all records that cite these PMIDs] 23263490, 23447401, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV004323933

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 30, 2023)

germline

clinical testing

PubMed (3)
[See all records that cite these PMIDs]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Germline mutations affecting the proofreading domains of POLE and POLD1 predispose to colorectal adenomas and carcinomas.

Palles C, Cazier JB, Howarth KM, Domingo E, Jones AM, Broderick P, Kemp Z, Spain SL, Guarino E, Salguero I, Sherborne A, Chubb D, Carvajal-Carmona LG, Ma Y, Kaur K, Dobbins S, Barclay E, Gorman M, Martin L, Kovac MB, Humphray S; CORGI Consortium.; et al.

Nat Genet. 2013 Feb;45(2):136-44. doi: 10.1038/ng.2503. Epub 2012 Dec 23. Erratum in: Nat Genet. 2013 Jun;45(6):713. Guarino Almeida, Estrella [corrected to Guarino, Estrella].

PubMed [citation]

PMID:: 23263490
PMCID:: PMC3785128

Germline and somatic polymerase ε and δ mutations define a new class of hypermutated colorectal and endometrial cancers.

Briggs S, Tomlinson I.

J Pathol. 2013 Jun;230(2):148-53. doi: 10.1002/path.4185.

PubMed [citation]

PMID:: 23447401
PMCID:: PMC3709119

See all PubMed Citations (3)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV004323933.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (3)

Description

This sequence change creates a premature translational stop signal (p.Ala152Hisfs*14) in the POLD1 gene. Missense variants that disrupt the 3'-5' exonuclease (proof-reading) activity of the POLD1 protein are associated with PPAP (polymerase proofreading‚Äìassociated polyposis) (PMID: 23263490, 23447401). However, loss-of-function variants that result in an absent or severely disrupted POLD1 protein, and missense variants outside the exonuclease domain, are unlikely to be associated with PPAP. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with POLD1-related conditions. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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