ClinVar Miner

Submissions for variant NM_000059.3(BRCA2):c.2412A>G (p.Glu804=) (rs587780866)

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Total submissions: 11
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Evidence-based Network for the Interpretation of Germline Mutant Alleles (ENIGMA) RCV000495335 SCV000579000 likely benign Breast-ovarian cancer, familial 2 2017-06-29 reviewed by expert panel curation Synonymous substitution variant, with low bioinformatic likelihood to result in a splicing aberration (Splicing prior probability 0.02; http://priors.hci.utah.edu/PRIORS/).
GeneDx RCV000123952 SCV000167343 benign not specified 2014-02-20 criteria provided, single submitter clinical testing This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.
Ambry Genetics RCV000163719 SCV000214293 likely benign Hereditary cancer-predisposing syndrome 2014-07-31 criteria provided, single submitter clinical testing
Invitae RCV001086553 SCV000261242 benign Hereditary breast and ovarian cancer syndrome 2019-12-31 criteria provided, single submitter clinical testing
Department of Pathology and Laboratory Medicine,Sinai Health System RCV000123952 SCV000591807 likely benign not specified 2014-08-08 criteria provided, single submitter clinical testing
Color RCV000163719 SCV000688753 likely benign Hereditary cancer-predisposing syndrome 2017-09-13 criteria provided, single submitter clinical testing
Integrated Genetics/Laboratory Corporation of America RCV000123952 SCV000694605 likely benign not specified 2019-02-18 criteria provided, single submitter clinical testing Variant summary: BRCA2 c.2412A>G alters a non-conserved nucleotide resulting in a synonymous change. 4/5 computational tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 0.00011 in 275088 control chromosomes, predominantly at a frequency of 0.00082 within the Latino subpopulation in the gnomAD database. The observed variant frequency within Latino control individuals in the gnomAD database is approximately equal to the estimated maximal expected allele frequency for a pathogenic variant in BRCA2 causing Hereditary Breast and Ovarian Cancer phenotype (0.00075), strongly suggesting that the variant is a benign polymorphism found primarily in populations of Latino origin. c.2412A>G has been reported in the literature in an individual affected with contralateral breast cancer (Borg_2010). This report does not provide unequivocal conclusions about association of the variant with Hereditary Breast and Ovarian Cancer. A co-occurrence with a pathogenic variant has been reported in our internal database (BRCA1 whole gene deletion), providing supporting evidence for a benign role. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. Five ClinVar submissions from clinical diagnostic laboratories and reputable databases (evaluation after 2014) cite the variant as likely benign. Based on the evidence outlined above, the variant was classified as likely benign.
Counsyl RCV000495335 SCV000785297 likely benign Breast-ovarian cancer, familial 2 2017-06-30 criteria provided, single submitter clinical testing
Quest Diagnostics Nichols Institute San Juan Capistrano RCV000587995 SCV000887773 benign not provided 2018-11-12 criteria provided, single submitter clinical testing
Illumina Clinical Services Laboratory,Illumina RCV000495335 SCV001273110 uncertain significance Breast-ovarian cancer, familial 2 2018-01-12 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.
Illumina Clinical Services Laboratory,Illumina RCV001115157 SCV001273111 uncertain significance Fanconi anemia, complementation group D1 2018-01-12 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.

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