ClinVar Miner

Submissions for variant NM_173472.2(FANCD2OS):c.44-5713G>A (rs147675860)

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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Clinical Services Laboratory,Illumina RCV001094805 SCV000439600 benign Fanconi anemia, complementation group D2 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 and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease.
Invitae RCV000299211 SCV000558535 benign Fanconi anemia 2020-12-02 criteria provided, single submitter clinical testing
Center for Pediatric Genomic Medicine,Children's Mercy Hospital and Clinics RCV000514928 SCV000610965 likely benign not provided 2017-08-02 criteria provided, single submitter clinical testing
ITMI RCV000120998 SCV000085166 not provided not specified 2013-09-19 no assertion provided reference population
Department of Pathology and Laboratory Medicine,Sinai Health System RCV000120998 SCV001548716 benign not specified no assertion criteria provided clinical testing The FANCD2 p.Ala1149Val variant was not identified in the literature nor was it identified in LOVD 3.0. The variant was identified in dbSNP (ID: rs147675860), ClinVar (classified as a VUS by Illumina for Fanconi Anemia, likely benign by Center for Pediatric Genomic Medicine at Children's Mercy Hospital and Clinics and benign by Invitae for Fanconi Anemia) and Cosmic (FATHMM prediction: neutral; score=0.19). The variant was identified in control databases in 352 of 281318 chromosomes (5 homozygous) at a frequency of 0.001251 increasing the likelihood this could be a low frequency benign variant (Genome Aggregation Database Feb 27, 2017). The variant was observed in the following populations: East Asian in 320 of 19928 chromosomes (freq: 0.01606), African in 22 of 24706 chromosomes (freq: 0.000891), Other in 2 of 7158 chromosomes (freq: 0.000279), Latino in 2 of 35354 chromosomes (freq: 0.000057), European (non-Finnish) in 5 of 128722 chromosomes (freq: 0.000039) and South Asian in 1 of 30612 chromosomes (freq: 0.000033), but was not observed in the Ashkenazi Jewish or European (Finnish) populations. The p.Ala1149 residue is not conserved in mammals and computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) do not suggest a high likelihood of impact to the protein; however, this information is not predictive enough to rule out pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer) do not predict a difference in splicing. In summary, based on the above information this variant meets our laboratory's criteria to be classified as benign.

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