ClinVar Miner

Submissions for variant NM_007294.4(BRCA1):c.3782del (p.Leu1261fs)

dbSNP: rs80357545
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Total submissions: 7
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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) RCV000112184 SCV000300020 pathogenic Breast-ovarian cancer, familial, susceptibility to, 1 2016-09-08 reviewed by expert panel curation Variant allele predicted to encode a truncated non-functional protein.
Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA), c/o University of Cambridge RCV000112184 SCV000325755 pathogenic Breast-ovarian cancer, familial, susceptibility to, 1 2015-10-02 criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV001383191 SCV001582264 pathogenic Hereditary breast ovarian cancer syndrome 2023-09-22 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Leu1261Tyrfs*3) in the BRCA1 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in BRCA1 are known to be pathogenic (PMID: 20104584). This variant is not present in population databases (gnomAD no frequency). For these reasons, this variant has been classified as Pathogenic. ClinVar contains an entry for this variant (Variation ID: 55004). This variant is also known as 3901delT. This premature translational stop signal has been observed in individual(s) with BRCA1-related conditions (PMID: 10923033, 21520333).
Ambry Genetics RCV003338398 SCV004058462 pathogenic Hereditary cancer-predisposing syndrome 2023-08-25 criteria provided, single submitter clinical testing The c.3782delT pathogenic mutation, located in coding exon 9 of the BRCA1 gene, results from a deletion of one nucleotide at nucleotide position 3782, causing a translational frameshift with a predicted alternate stop codon (p.L1261Yfs*3). This variant is considered to be rare based on population cohorts in the Genome Aggregation Database (gnomAD). 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.
Color Diagnostics, LLC DBA Color Health RCV003338398 SCV004360214 pathogenic Hereditary cancer-predisposing syndrome 2023-03-22 criteria provided, single submitter clinical testing This variant deletes 1 nucleotide in exon 10 of the BRCA1 gene, creating a frameshift and premature translation stop signal. This variant is expected to result in an absent or non-functional protein product. This variant has been identified in 1 family among CIMBA participants (PMID: 29446198; https://cimba.ccge.medschl.cam.ac.uk/). This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). Loss of BRCA1 function is a known mechanism of disease (clinicalgenome.org). Based on the available evidence, this variant is classified as Pathogenic.
All of Us Research Program, National Institutes of Health RCV000112184 SCV004817748 pathogenic Breast-ovarian cancer, familial, susceptibility to, 1 2023-07-19 criteria provided, single submitter clinical testing This variant deletes 1 nucleotide in exon 10 of the BRCA1 gene, creating a frameshift and premature translation stop signal. This variant is expected to result in an absent or non-functional protein product. This variant has been identified in 1 family among CIMBA participants (PMID: 29446198; https://cimba.ccge.medschl.cam.ac.uk/). This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). Loss of BRCA1 function is a known mechanism of disease (clinicalgenome.org). Based on the available evidence, this variant is classified as Pathogenic.
Breast Cancer Information Core (BIC) (BRCA1) RCV000112184 SCV000144879 pathogenic Breast-ovarian cancer, familial, susceptibility to, 1 2002-05-29 no assertion criteria provided clinical testing

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