ClinVar Miner

Submissions for variant NM_000268.4(NF2):c.676A>C (p.Asn226His)

dbSNP: rs886057336
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV000368005 SCV000437749 uncertain significance Neurofibromatosis, type 2 2018-01-13 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.
Ambry Genetics RCV000572255 SCV000674152 uncertain significance Hereditary cancer-predisposing syndrome 2017-05-30 criteria provided, single submitter clinical testing The p.N226H variant (also known as c.676A>C) is located in coding exon 8 of the NF2 gene. The asparagine at codon 226 is replaced by histidine, an amino acid with similar properties. This change occurs in the first base pair of coding exon 8. This amino acid position is highly 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.
Genome-Nilou Lab RCV000368005 SCV002044855 uncertain significance Neurofibromatosis, type 2 2021-11-07 criteria provided, single submitter clinical testing

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