ClinVar Miner

Submissions for variant NM_001042492.3(NF1):c.61-14dup

dbSNP: rs376172637
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001175455 SCV001339022 benign not specified 2020-03-10 criteria provided, single submitter clinical testing Variant summary: NF1 c.61-14dupT alters a non-conserved nucleotide located close to a canonical splice site and therefore could affect mRNA splicing, leading to a significantly altered protein sequence. 4/4 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 0.024 in 139090 control chromosomes in the gnomAD database, including 3 homozygotes. The observed variant frequency is approximately 9778-fold of the estimated maximal expected allele frequency for a pathogenic variant in NF1 causing Noonan Syndrome and Related Conditions phenotype (2.5e-06), strongly suggesting that the variant is benign. To our knowledge, no occurrence of c.61-14dupT in individuals affected with Noonan Syndrome and Related Conditions and no experimental evidence demonstrating its impact on protein function have been reported. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014. Based on the evidence outlined above, the variant was classified as benign.

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