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NM_000077.5(CDKN2A):c.262G>C (p.Glu88Gln) AND Hereditary cancer-predisposing syndrome

Germline classification:
Uncertain significance (2 submissions)
Last evaluated:
Jan 8, 2024
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:
RCV002256493.3

Allele description [Variation Report for NM_000077.5(CDKN2A):c.262G>C (p.Glu88Gln)]

NM_000077.5(CDKN2A):c.262G>C (p.Glu88Gln)

Gene:
CDKN2A:cyclin dependent kinase inhibitor 2A [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
9p21.3
Genomic location:
Preferred name:
NM_000077.5(CDKN2A):c.262G>C (p.Glu88Gln)
HGVS:
  • NC_000009.12:g.21971097C>G
  • NG_007485.1:g.28395G>C
  • NM_000077.5:c.262G>CMANE SELECT
  • NM_001195132.2:c.262G>C
  • NM_001363763.2:c.109G>C
  • NM_058195.4:c.305G>C
  • NM_058197.5:c.*185G>C
  • NP_000068.1:p.Glu88Gln
  • NP_000068.1:p.Glu88Gln
  • NP_001182061.1:p.Glu88Gln
  • NP_001350692.1:p.Glu37Gln
  • NP_478102.2:p.Gly102Ala
  • LRG_11t1:c.262G>C
  • LRG_11:g.28395G>C
  • LRG_11p1:p.Glu88Gln
  • NC_000009.11:g.21971096C>G
  • NM_000077.4:c.262G>C
Protein change:
E37Q
Links:
dbSNP: rs121913384
NCBI 1000 Genomes Browser:
rs121913384
Molecular consequence:
  • NM_058197.5:c.*185G>C - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
  • NM_000077.5:c.262G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001195132.2:c.262G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001363763.2:c.109G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_058195.4:c.305G>C - missense variant - [Sequence Ontology: SO:0001583]

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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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV002534323Sema4, Sema4
criteria provided, single submitter

(Sema4 Curation Guidelines)
Uncertain significance
(Feb 14, 2022)
germlinecuration

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

Citation Link,

SCV005032159Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)
Uncertain significance
(Jan 8, 2024)
germlineclinical testing

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

Citation Link

Summary from all submissions

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

Citations

PubMed

Alterations in CDKN2A locus as potential indicator of melanoma predisposition in relatives of non-familial melanoma cases.

Levanat S, Situm M, Crnić I, Marasović D, Puizina-Ivić N, Pokupcić N, Musani V, Komar A, Kubat M, Furac I, Karija-Vlahović M, Krizanac S.

Croat Med J. 2003 Aug;44(4):418-24.

PubMed [citation]
PMID:
12950144

Details of each submission

From Sema4, Sema4, SCV002534323.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedcuration PubMed (1)
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From Ambry Genetics, SCV005032159.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

The p.E88Q variant (also known as c.262G>C), located in coding exon 2 of the CDKN2A gene, results from a G to C substitution at nucleotide position 262. The glutamic acid at codon 88 is replaced by glutamine, an amino acid with highly similar properties. This alteration was detected in a proband with melanoma as well as in an unaffected family member. The affected proband was also found to have a pathogenic frameshift mutation in the CDKN2A gene that was not present in the unaffected relative (Levanat S et al. Croat Med J, 2003 Aug;44:418-24). This amino acid position is not well conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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

Last Updated: Sep 29, 2024