NM_005732.4(RAD50):c.1245+2C>G AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Nov 8, 2023
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:: RCV000234702.10

Allele description [Variation Report for NM_005732.4(RAD50):c.1245+2C>G]

NM_005732.4(RAD50):c.1245+2C>G

Gene:

RAD50:RAD50 double strand break repair protein [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

5q31.1

Genomic location:

Preferred name:

NM_005732.4(RAD50):c.1245+2C>G

HGVS:

NC_000005.10:g.132588882C>G
NG_021151.2:g.36906C>G
NM_005732.4:c.1245+2C>GMANE SELECT
LRG_312t1:c.1245+2C>G
LRG_312:g.36906C>G
NC_000005.9:g.131924574C>G
NM_005732.3:c.1245+2C>G

Links:

dbSNP: rs776276760

NCBI 1000 Genomes Browser:

rs776276760

Molecular consequence:

NM_005732.4:c.1245+2C>G - splice donor variant - [Sequence Ontology: SO:0001575]

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
SCV000289002	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Nov 8, 2023)	germline	clinical testing	PubMed (3) [See all records that cite these PMIDs] 17576681, 9536098, 28492532
SCV000663746	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (May 8, 2017)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000289002

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Nov 8, 2023)

germline

clinical testing

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

SCV000663746

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(May 8, 2017)

germline

clinical testing

Citation Link

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

Aberrant 5' splice sites in human disease genes: mutation pattern, nucleotide structure and comparison of computational tools that predict their utilization.

Buratti E, Chivers M, Královicová J, Romano M, Baralle M, Krainer AR, Vorechovsky I.

Nucleic Acids Res. 2007;35(13):4250-63. Epub 2007 Jun 18.

PubMed [citation]

PMID:: 17576681
PMCID:: PMC1934990

Statistical features of human exons and their flanking regions.

Zhang MQ.

Hum Mol Genet. 1998 May;7(5):919-32.

PubMed [citation]

PMID:: 9536098

See all PubMed Citations (3)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000289002.5

#	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 falls in intron 8 of the RAD50 gene. It does not directly change the encoded amino acid sequence of the RAD50 protein. It affects a nucleotide within the consensus splice site. This variant is present in population databases (rs776276760, gnomAD 0.004%). This variant has not been reported in the literature in individuals affected with RAD50-related conditions. ClinVar contains an entry for this variant (Variation ID: 240209). Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). RNA analysis performed to evaluate the impact of this variant on mRNA splicing indicates it does not significantly alter splicing (Invitae). 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

From Ambry Genetics, SCV000663746.5

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

Description

The c.1245+2C>G intronic variant results from a C to G substitution two nucleotides after coding exon 8 in the RAD50 gene. This nucleotide position is conserved through primates but not in all available vertebrate species. The BDGP and ESEfinder splice site prediction tools do not produce a reliable prediction for the nearby native splice donor site. The HSF splice site prediction tool does not predict any significant impact on the native splice donor site. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	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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