NM_024675.4(PALB2):c.1378C>T (p.Gln460Ter) AND Hereditary cancer-predisposing syndrome

Germline classification:: Pathogenic (2 submissions)
Last evaluated:: May 24, 2022
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV000222117.7

Allele description [Variation Report for NM_024675.4(PALB2):c.1378C>T (p.Gln460Ter)]

NM_024675.4(PALB2):c.1378C>T (p.Gln460Ter)

Gene:

PALB2:partner and localizer of BRCA2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

16p12.2

Genomic location:

Preferred name:

NM_024675.4(PALB2):c.1378C>T (p.Gln460Ter)

HGVS:

NC_000016.10:g.23635168G>A
NG_007406.1:g.11190C>T
NM_024675.4:c.1378C>TMANE SELECT
NP_078951.2:p.Gln460Ter
NP_078951.2:p.Gln460Ter
LRG_308t1:c.1378C>T
LRG_308:g.11190C>T
LRG_308p1:p.Gln460Ter
NC_000016.9:g.23646489G>A
NM_024675.3:c.1378C>T

Protein change:

Q460*

Links:

dbSNP: rs876658166

NCBI 1000 Genomes Browser:

rs876658166

Molecular consequence:

NM_024675.4:c.1378C>T - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

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

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000273065	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Pathogenic (May 24, 2022)	germline	clinical testing	Citation Link,
SCV000904868	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Pathogenic (Mar 10, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000273065

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Pathogenic
(May 24, 2022)

germline

clinical testing

Citation Link,

SCV000904868

Color Diagnostics, LLC DBA Color Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Pathogenic
(Mar 10, 2022)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

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

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Ambry Genetics, SCV000273065.9

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

The p.Q460* pathogenic mutation (also known as c.1378C>T), located in coding exon 4 of the PALB2 gene, results from a C to T substitution at nucleotide position 1378. This changes the amino acid from a glutamine to a stop codon within coding exon 4. 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.

#	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

From Color Diagnostics, LLC DBA Color Health, SCV000904868.2

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

Description

This variant changes 1 nucleotide in exon 4 of the PALB2 gene, creating a premature translation stop signal. This variant is expected to result in an absent or non-functional protein product. This variant has been reported in an individual affected with early onset breast cancer (Color internal data). This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). Loss of PALB2 function is a known mechanism of disease (clinicalgenome.org). Based on the available evidence, this variant is classified as Pathogenic.

#	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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